Non-promotion
R1182x SERIES
Non-
p
romotion
Seamless Low Supply Current 150mA LDO REGULATOR
NO.EA-133-130416
1
OUTLINE
The R1182x Series are CMOS-based positive voltage regulator ICs with hi gh output voltage accuracy a nd lo w
supply current. Each of these ICs consists of a voltage reference unit, an error amplifier, resistor-net for voltage
setting, a current limit circuit which prevents the destruction by excess curre nt, and so on.
The output voltage of these ICs is fixed with high accuracy.
The R1182x Series has low dropout voltage caused by built in low on resistance transistor. Further, the
consumption current of IC itself is Typ. 3.0μA at no load, at the same time, compared with the conventional low
supply current regulator, transient response is improved in all the load range by our original seamless
technology.
Since the packages for these ICs are SOT-23-5 and ultra small DFN(PLP)1616-6, high density mounting of
the ICs on boards is possible.
FEATURES
• Supply Current........................................................Typ. 3μA
(Except the current through CE pull-down circuit)
• Standby Current......................................................Typ. 0.1μA
• Input Voltage Range ..............................................1.5V to 6.0V
• Output Voltage Range.............................................1.2V to 4.0V (0.1V steps)
(For other voltages, please refer to MARK INFORMATIONS.)
• Dropout Voltage ......................................................Typ. 0.23V (IOUT=150mA, 3.0V Output type)
• Output Voltage Accuracy.........................................±1.0% (VOUT>1.5V)
±15mV (VOUT
<
=
1.5V)
• Temperature-Drift Coefficient of Output Volt age.....Typ. ±100ppm/°C
• Line Regulation.......................................................Typ. 0.1%/V
• Packages ...............................................................DFN(PLP)1616-6, SOT-23-5
• Built-in Fold Back Protection Circuit .......................Typ. 50mA (Current at short mode)
• Ceramic capacitors are recommended to be used with this IC (0.1μF or more)
APPLICATIONS
• Stable voltage reference.
• Power source for electri cal appliances such as camera s, camcorders, mobile communication equipment.
• Power source for battery-powered equipment.
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R1182x
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BLOCK DIAGRAMS
R1182xxx1B R1182xxx1D
V
DD
GND
V
OUT
CE
Vref
Curr ent Li mi t
V
DD
GND
V
OUT
CE
Vref
Curr ent Li mit
SELECTION GUIDE
The output voltage, auto di scharge function, package, etc. for the ICs can be sel ected at the u ser’s request.
Product Name Package Quantity per Reel Pb Free Halogen Free
R1182Kxx1∗-TR DFN(PLP)1616-6 5,000 pcs Yes Yes
R1182Nxx1∗-TR-FE SOT-23-5 3,000 pcs Yes Yes
xx : The output voltage can be designated in the range from 1.2V(12) to 4.0V(40) in 0.1V steps.
(For other voltages, please refer to MARK INFORMA TIONS.)
∗ : The auto discharge function at off state are options as follows.
(B) without auto discharge function at off state
(D) with auto discharge function at off state
The products scheduled to be discontinued : "Non-promotion"
These products will be discontinued in the future. We advise you to select other products.
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R1182x
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3
PIN CONFIGURATIONS
z DFN(PLP)1616-6 z SOT-23-5
1 2 3
6 5 4
321
456
∗
Top View Bottom View
(Mark side)
2 13
54
PIN DESCRIPTIONS
• DFN(PLP)1616-6
Pin No Symbol Pin Description
1 VDD Input Pin
2 GND Ground Pin
3 CE Chip Enable Pin ("H" Active)
4 NC No Connection
5 NC No Connection
6 VOUT Output pin
*) Tab is GND level. (They are connected to the reverse side of this IC.)
The tab is better to be connected to the GND, but leaving it open is also acceptable.
• SOT-23-5
Pin No Symbol Pin Description
1 GND Ground Pin
2 VDD Input Pin
3 VOUT Output pin
4 NC No Connection
5 CE Chip Enable Pin ("H" Active)
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ABSOLUTE MAXIMUM RATINGS
Symbol Item Rating Unit
VIN Input Voltage 6.5 V
VCE Input Voltage (CE Pin) −0.3 to 6.5 V
VOUT Output Voltage −0.3 to VIN+0.3 V
IOUT Output Current 200 mA
Power Dissip ation (DFN(PLP)1616-6) * 640
PD Power Dissi pation (SOT-23-5) * 420 mW
Topt Operating Temperature Range −40 to 85 °C
Tstg Storage Temperature Range −55 to 125 °C
∗) For Power Dissipation, please refer to PACKAGE INFORMATION.
ABSOLUTE MAXIMUM RATINGS
Electronic and mechanical stress momentarily exceeded absolute maximum ratings may cause the
permanent damages and may degrade the life time and safety for both device and system u sing the device
in the field.
The functional operation at or over these absolute maximum ratings is not assured.
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ELECTRICAL CHARACTERISTICS
• R1182xxx1B/D
Topt=25°C
Symbol Item Conditions Min. Typ. Max. Unit
VOUT > 1.5V ×0.99 ×1.01 V
VOUT Output Voltage VIN=Set VOUT+1V
IOUT=1mA VOUT
<
=
1.5V −15 +15 mV
IOUT Output Current VIN−VOUT=1.0V 150 mA
ΔVOUT/
ΔIOUT Load Regulation VIN=Set VOUT+1V
1mA
<
=
IOUT
<
=
150mA 30 80 mV
1.2
<
=
VOUT < 1.3 0.60 0.82
1.3
<
=
VOUT < 1.4 0.53 0.75
1.4
<
=
VOUT < 1.5 0.46 0.67
1.5
<
=
VOUT < 2.0 0.43 0.60
2.0
<
=
VOUT < 2.8 0.31 0.40
2.8
<
=
VOUT < 4.0 0.23 0.29
VDIF Dropout Voltage IOUT=150mA
VOUT=4.0 0.19 0.23
V
ISS Supply Current VIN=Set VOUT+1V, IOUT=0mA 3.0 7.0
μA
Istandby Standby Current VIN=Set VOUT+1V, VCE=GND 0.1 1.0
μA
ΔVOUT/
ΔVIN Line Regulation Set VOUT+0.5V
<
=
VIN
<
=
6.0V
IOUT=30mA 0.1 0.3 %/V
VIN Input Voltage 1.5 6.0 V
ΔVOUT/
ΔTopt Output Voltage
Temperature Coefficient IOUT=30mA
−40°C
<
=
Topt
<
=
85°C ±100 ppm/°C
ISC Short Current Limit VOUT=0V 50 mA
IPD CE Pull-down Current 0.05 0.30 0.55
μA
VCEH CE Input Voltage ”H” 1.0 6.0 V
VCEL CE Input Voltage ”L” 0 0.4 V
en Output Noise BW=10Hz to 100kHz 30
μVrms
RLOW Nch Tr. On resistance for
auto discharge function
(Only applied to D Version) VCE=0V 50 Ω
RECOMMENDED OPERATING CONDITIONS (ELECTRICAL CHARACTERISTICS)
All of electronic equipment sho uld b e designed that the mounted semiconductor devices o perate within the
recommended operating conditions. The semiconductor devices cannot operate normally over the
recommended operating conditions, even if when they are used over such conditions by momentary
electronic noise or surge. And the semicondu ctor devices may receive seriou s damage whe n they continue
to operate over the recommended operating conditions.
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TYPICAL APPLICATIONS
C1 R1182x
Series
VDD VOUT
CE GND
C2
VOUT
(External components)
Output capacitor : Ceramic type
Input capacitor : Ceramic type
Output Capacitor: 0.1μF Kyocera CM05B104K06AB
Murata GRM155B31C104KA87B
1.0μF Kyocera CM05X5R105K06AB
TDK C1005JB0J105K
Murata GRM155B30J105KE18B
TECHNICAL NOTES
When using these ICs, consider the following p oints:
Phase Compensation
In these ICs, phase compensation is made for securing stable operation even if the load current is varied.
For this purpose, be sure to use a 0.1μF or more capacitor C2 (Ceramic type).
If a tantalum capacitor is used, and its ESR (Equivalent Series Resistance) of C2 is large, the loop
oscillation may result. Because of this, select C2 carefully considering its frequency cha racteristics.
Mounting on Board
Make VDD and GND lines sufficient. If their impedance is high, pick-u p the noise or unstabl e operation may
result.
Connect the capa citor C1 with a 0.1µF or more between VDD and GND as close as possible.
Set external components, especially the output capacitor C2, as close as possible to the ICs and make
wiring as short as possible. (Refer to the typical application)
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TEST CIRCUITS
C1 R1182x
Series
V
DD
V
OUT
CE GND
V
C2 V
OUT
I
OUT
C1= Cer am ic 1.0
μ
F
C2= Cer am ic 1.0μF
↓
Fig.1 Standard test Circuit
C1 R1182x
Series
V
DD
V
OUT
CE GND
C2A I
SS
C1=Cer amic 1.0
μ
F
C2=Cer amic 1.0μF
Fig.2 Supply Current Test Circuit
R1182x
Series
V
DD
V
OUT
CE GND
C2
Pulse
Generator ↓I
OUT
C2=Cer a m ic 1.0
μ
F
Fig.3 Ripple Rejection, Line Transient Response Test Cir cuit
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TYPICAL CHARACTERISTICS
1) Output Voltage vs. Output Current (Topt=25°C)
R1182x121x R1182x281x
V
DD
=1.5V
V
DD
=1.8V
V
DD
=2.2V
V
DD
=2.7V
V
DD
=3.2V
0.0
1.4
0.6
0.4
1.2
1.0
0.8
0.2
0 50 100 150 200 250 300 350 400
Output Current I
OUT
(mA)
Output Voltage V
OUT
(V)
V
DD
=3.1V
V
DD
=3.5V
V
DD
=3.8V
V
DD
=4.8V
0.0
3.0
1.5
1.0
2.0
2.5
0.5
0 50 100 150 200 250 300 350 400
Output Current I
OUT
(mA)
Output Voltage V
OUT
(V)
R1182x401x
V
DD
=4.3V
V
DD
=5.0V
V
DD
=6.0V
0.0
4.5
1.5
1.0
2.5
3.5
2.0
3.0
4.0
0.5
0 50 100 150 200 250 300 350 400
Output Current I
OUT
(mA)
Output Voltage V
OUT
(V)
2) Output Voltage vs. Input Voltage (Topt=25°C)
R1182x121x R1182x281x
I
OUT
=1mA
I
OUT
=30mA
I
OUT
=100mA
0.0
1.4
0.6
0.4
1.0
0.8
1.2
0.2
012 4536
Input Voltage V
IN
(V)
Output Voltage V
OUT
(V)
I
OUT
=1mA
I
OUT
=30mA
I
OUT
=100mA
0.0
3.0
1.0
0.5
2.0
1.5
2.5
012 4536
Input Voltage V
IN
(V)
Output Voltage V
OUT
(V)
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R1182x
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9
R1182x401x
I
OUT
=1mA
I
OUT
=30mA
I
OUT
=100mA
0.0
5.0
1.5
0.5
3.5
2.5
2.0
1.0
4.0
3.0
4.5
012 4536
Input Voltage V
IN
(V)
Output Voltage V
OUT
(V)
3) Supply Current vs. Input Voltage
R1182x121x R1182x281x
0
10
2
4
8
6
1.2 3.2 4.22.2 5.2 6
Input Voltage V
IN
(V)
Supply Current I
SS
(μA)
0
10
6
4
8
2
2.8 3.8 4.8 5.8 6
Input Voltage V
IN
(V)
Supply Current I
SS
(μA)
R1182x401x
0
10
4
2
6
8
456
Input Voltage V
IN
(V)
Supply Current I
SS
(μA)
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4) Output Voltage vs. Temperature (IOUT=30mA)
R1182x121x R1182x281x
1.16
1.23
1.18
1.17
1.21
1.20
1.19
1.22
-25-40 0 25 50 7585
VIN=2.2V
Output Voltage V
OUT
(V)
Temperature Topt(°C)
2.60
3.00
2.70
2.65
2.85
2.80
2.75
2.95
2.90
-25-40 0 25 50 75 85
VIN=3.8V
Output Voltage V
OUT
(V)
Temperature Topt(°C)
R1182x401x
3.80
4.20
3.90
3.85
4.05
4.00
3.95
4.15
4.10
-25-40 0 25 50 75 85
V
IN
=5V
Output Voltage V
OUT(V)
Temperature Topt(°C)
5) Supply Current vs. Temperature (Topt=25°C)
R1182x121x R1182x281x
0
10
2
1
5
4
3
8
6
9
7
-25-40 0 25 50 75 85
V
IN
=2.2V
Supply Current I
SS
(μA)
Temperature Topt(°C)
0
10
2
1
5
4
3
8
6
9
7
-25-40 0 25 50 7585
V
IN
=3.8V
Supply Current I
SS
(μA)
Temperature Topt(°C)
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11
R1182x401x
0
10
2
1
5
4
3
8
6
9
7
-25-40 0 25 50 7585
V
IN
=5V
Supply Current I
SS
(μA)
Temperature Topt(°C)
6) Dropout Voltage vs. Output Current
R1182x121x R1182x281x
0 15012510050 7525
0
100
500
700
200
300
400
600
800
85
°C
25
°C
-40
°C
Dropout Voltage V
DIF
(mV)
Output Current I
OUT
(mA)
0 15012510050 7525
0
50
250
100
150
200
300
85
°C
25
°C
-40
°C
Dropout Voltage V
DIF
(mV)
Output Current I
OUT
(mA)
R1182x401x
0 15012510050 7525
0
50
100
150
200
250
85
°C
25
°C
-40
°C
Dropout Voltage V
DIF
(mV)
Output Current I
OUT
(mA)
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7) Dropout Voltage vs. Set Output Voltage (Topt=25°C)
1.0 2.51.5 2.0 3.0 3.5 4.0
0
400
500
100
200
300
600
700
1mA
10mA
30mA
100mA
150mA
Dropout Voltage
V
DIF
(mV)
Set
Output
Voltage
V
REG
(V)
8) Ripple Rejection vs. Input Bias Voltage (Ripple=0.2Vp-p)
R1182x281x R1182x281x
0
10
20
40
60
30
50
70
80 I
OUT
=1mA
100
Hz
1
kHz
10
kHz
100
kHz
2.9 3.0 3.1 3.2 3.3
Ripple Rejection RR(dB)
Input Voltage V
IN
(V)
0
10
20
40
60
30
50
70
80 IOUT=10mA
100
Hz
1
kHz
10
kHz
100
kHz
2.9 3.0 3.1 3.2 3.3
Ripple Rejection RR(dB)
Input Voltage VIN(V)
R1182x281x
0
10
20
40
60
30
50
70
80 I
OUT
=100mA
100
Hz
1
kHz
10
kHz
100
kHz
2.9 3.0 3.1 3.2 3.3
Ripple Rejection RR(dB)
Input Voltage V
IN
(V)
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9) Ripple Rejection vs. Frequency (COUT=ceramic0.1μF)
R1182x121x R1182x281x
0
10
20
40
30
80
60
50
70
0.1 101 100
V
IN
=2.2V
DC
+0.2Vp-p
I
OUT
=1mA
I
OUT
=30mA
I
OUT
=100mA
Ripple Rejection RR(dB)
Frequency f(kHz)
0
10
20
40
30
80
60
50
70
0.1 101 100
V
IN
=3.8V
DC
+0.2Vp-p
I
OUT
=1mA
I
OUT
=30mA
I
OUT
=100mA
Ripple Rejection RR(dB)
Frequency f(kHz)
R1182x401x
0
10
20
40
30
80
60
50
70
0.1 101 100
VIN=5.0VDC+0.2Vp-p
IOUT=1mA
IOUT=30mA
IOUT=100mA
Ripple Rejection RR(dB)
Frequency f(kHz)
10) Input Transient Response (tr=tf=5μs, IOUT=30mA)
R1182x121x R1182x121x
1.0
1.3
1.1
1.2
4
3
2
010 50 703020 60 8040 90
Input Voltage VIN(V)
Output Voltage
Input Voltage
Time t (μs)
Output Voltage V
OUT(V)
COUT=Ceramic 0.1μF
1.0
1.3
1.1
1.2
4
3
2
010 50 703020 60 8040 90
Input Voltage V
IN
(V)
Output Voltage
Input Voltage
Time t (μs)
Output Voltage VOUT
(V)
C
OUT
=Ceramic 1μF
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R1182x281x R1182x281x
2.6
2.9
2.7
2.8
6
5
4
3
010 50 703020 60 8040 90
Input Voltage V
IN
(V)
Output Voltage
Input Voltage
Time t (μs)
Output Voltage VOUT
(V)
COUT=Ceramic 0.1
μ
F
2.6
2.9
2.7
2.8
6
5
4
3
010 50 703020 60 8040 90
Input Voltage VIN(V)
Output Voltage
Input Voltage
Time t (μs)
Output Voltage V
OUT(V)
COUT=Ceramic 1.0μF
R1182x401x R1182x401x
3.8
4.1
3.9
4.0
7
6
5
4
010 50 703020 60 8040 90
Input Voltage V
IN
(V)
Output Voltage
Input Voltage
Time t (μs)
Output Voltage VOUT
(V)
COUT=Ceramic 0.1
μ
F
3.8
4.1
3.9
4.0
7
6
5
4
010 50 703020 60 8040 90
Input Voltage VIN(V)
Output Voltage
Input Voltage
Time t (μs)
Output Voltage V
OUT(V)
COUT=Ceramic 1.0μF
11) Load Transient Response (tr=tf=0.5μs, CIN=Ceramic 0.1μF)
R1182x281x R1182x281x
2.4
3.0
2.6
2.8
150
100
50
0
0 4 20 28128243216 36
Output
Current
I
OUT
(mA)
Output Voltage
Output
Current 50mA 100mA
Time t (μs)
Output Voltage V
OUT
(V)
V
IN
=3.8V,C
OUT
=0.1μF
2.2
3.0
2.4
2.6
2.8
100
50
0
0 25 1257550 150100 175
Output
Current
I
OUT
(mA)
Output Voltage
Time t (μs)
Output Voltage V
OUT
(V)
V
IN
=3.8V,C
OUT
=0.1μF
Output
Current 1mA 50mA
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R1182x281x R1182x281x
2.4
3.0
2.6
2.8
150
100
50
0
0 4 20 28128243216 36
Output
Current
I
OUT
(mA)
Output Voltage
Output
Current 50mA 100mA
Time t (μs)
Output Voltage V
OUT
(V)
V
IN
=3.8V,C
OUT
=1μF
2.4
3.0
2.6
2.8
100
50
0
0 25 1257550 150100 175
Output
Current
I
OUT
(mA)
Output Voltage
Time t (μs)
Output Voltage V
OUT
(V)
V
IN
=3.8V,C
OUT
=1μF
Output
Current 1mA 50mA
R1182x281x R1182x121x
2.6
2.9
2.7
2.8
150
100
50
0
040602010 50 7030 80
Output
Current
IOUT(mA)
Output Voltage
Time t (μs)
Output Voltage V
OUT(V)
VIN=3.8V,COUT=2.2μF
VR Output
Current 50mA 100mA
0.8
1.4
1.0
1.2
150
100
50
0
402028128243216 36
Output
Current
IOUT(mA)
Output Voltage
Time t (μs)
Output Voltage V
OUT(V)
VIN=2.2V,COUT=0.1μF
VR Output
Current 50mA 100mA
R1182x121x R1182x401x
0.8
1.4
1.0
1.2
150
100
50
0
402028128243216 36
Output
Current
IOUT(mA)
Output Voltage
Time t (μs)
Output Voltage V
OUT(V)
VIN=2.2V,COUT=1μF
VR Output
Current 50mA 100mA
3.6
4.2
3.8
4.0
150
100
50
0
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Output
Current
I
OUT
(mA)
Output Voltage
Time t (μs)
Output Voltage V
OUT
(V)
V
IN
=5.0V,C
OUT
=0.1μF
VR Output
Current 50mA 100mA
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R1182x401x
3.6
4.2
3.8
4.0
150
100
50
0
402028128243216 36
Output
Current
I
OUT
(mA)
Output Voltage
Time t (μs)
Output Voltage V
OUT
(V)
V
IN
=5.0V,C
OUT
=1μF
VR Output
Current 50mA 100mA
12) Turn on speed by CE pin (CIN=Ceramic 0.1μF)
R1182x121x R1182x121x
0
1.2
0.4
0.8
4
3
2
0
1
10050703020 60 8040 90
CE Input Voltage VCE
(V)
Time t (μs)
Output Voltage VOUT
(V)
C
OUT
=0.1μF,V
IN
=3.3V
I
OUT
=1mA
I
OUT
=30mA
Output Voltage
CE Input Voltage
0
1.2
0.4
0.8
4
3
2
0
1
10050703020 60 8040 90
CE Input Voltage V
CE
(V)
Time t (μs)
Output Voltage V
OUT
(V)
C
OUT
=0.1μF,V
IN
=3.3V,I
OUT
=30mA
Output Voltage
CE Input Voltage
R1182x281x R1182x281x
0
3
1
2
4
3
2
0
1
200 100 1406040 120 16080 180
CE Input Voltage V
CE
(V)
Time t (μs)
Output Voltage V
OUT
(V)
C
OUT
=0.1μF,V
IN
=3.3V,I
OUT
=30mA
Output Voltage
CE Input Voltage
0
3
1
2
4
3
2
0
1
200 100 1406040 120 16080 180
CE Input Voltage V
CE
(V)
Time t (μs)
Output Voltage V
OUT
(V)
C
OUT
=1μF,V
IN
=3.3V,I
OUT
=30mA
Output Voltage
CE Input Voltage
Non-promotion
R1182x
Non-promotion
17
R1182x401x R1182x401x
0
4
2
9
6
3
0
200 100 1406040 120 16080 180
CE Input Voltage V
CE(V)
Time t (μs)
Output Voltage V
OUT(V)
COUT=0.1μF,VIN=6.0V,IOUT=30mA
Output Voltage
CE Input Voltage
0
4
2
9
6
3
0
200 100 1406040 120 16080 180
CE Input Voltage V
CE
(V)
Time t (μs)
Output Voltage V
OUT
(V)
C
OUT
=1
μ
F,
V
IN
=6.0V,
I
OUT
=30mA
Output Voltage
CE Input Voltage
13) Turn-off Speed by CE pin (CIN=Ceramic 0.1μF) (D version)
R1182x121D R1182x121D
0
1.2
0.4
0.8
4
3
2
0
1
10050703020 60 8040 90
CE Input Voltage V
CE
(V)
Time t (μs)
Output Voltage V
OUT
(V)
C
OUT
=0.1μF,V
IN
=3.3V
I
OUT
=1mA
I
OUT
=30mA
Output Voltage
CE Input Voltage
0
1.2
0.4
0.8
4
3
2
0
1
400 200 28012080 240 320160 360
CE Input Voltage V
CE
(V)
Time t (μs)
Output Voltage V
OUT
(V)
C
OUT
=1μF,V
IN
=3.3V
I
OUT
=1mA
I
OUT
=30mA
Output Voltage
CE Input Voltage
R1182x281D R1182x281D
0
3
1
2
4
3
2
0
1
200 100 1406040 120 16080 180
CE Input Voltage V
CE
(V)
Time t (μs)
Output Voltage V
OUT
(V)
C
OUT
=0.1μF,V
IN
=3.3V
I
OUT
=1mA
I
OUT
=30mA
Output Voltage
CE Input Voltage
0
3
1
2
4
3
2
0
1
100
0
500 700300200 600400 800
CE Input Voltage V
CE
(V)
Time t (μs)
Output Voltage V
OUT
(V)
C
OUT
=1μF,V
IN
=3.3V
I
OUT
=1mA
I
OUT
=30mA
Output Voltage
CE Input Voltage
Non-promotion
R1182x
Non-promotion
18
R1182x401D R1182x401D
0
2
4
5
0
20
0
100 1406040 120 16080 180
CE Input Voltage VCE
(V)
Time t (μs)
Output Voltage VOUT
(V)
C
OUT
=0.1μF,V
IN
=6.0V
I
OUT
=1mA
I
OUT
=30mA Output Voltage
CE Input Voltage
0
2
4
5
0
100
0
500 700300200 600400 800
CE Input Voltage V
CE
(V)
Time t (μs)
Output Voltage V
OUT
(V)
C
OUT
=1μF,V
IN
=6.0V
I
OUT
=1mA
I
OUT
=30mA
Output Voltage
CE Input Voltage