NJU7771/72/73/74/75/76
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LOW DROPOUT VOLTAGE REGULATOR
GENERAL DESCRIPTION PACKAGE OUTLINE
NJU7771/72/73/74/75/76 is a low dropout voltage regulator
designed for portable items.
Advanced CMOS technology achieves high ripple rejection
and low quiescent current.
NJU7774/75/76 features shunt switch which improves turn
off response of output voltage when ON/OFF control is used.
FEATURES PIN CONFIGURATION
High Ripple Rejection 65dB typ. (f=1kHz,Vo=3.0V version)
Low quiescent Current Iq=18µA (Io=0mA)
Output capacitor with 1.0µF ceramic capacitor (Vo>2.0V version)
Output Current Io(max.)=150mA
High Precision Output Vo±1.0%
Low Dropout Voltage 0.15V typ. (Io=100mA,Vo=3.0V)
Input Voltage Range VIN=+2.3V∼9V(Vo≤2.0V version)
ON/OFF Control (Active High)
With Shunt Switch Only NJU7774/75/76
Internal Short Circuit Current Limit
Internal Thermal Overload Protection
CMOS Technology
Package Outline SOT-23-5
EQUIVALENT CIRCUIT
NJU777*F
123
45
123
45
PIN FUNCTION
NJU7771F NJU7772F NJU7773F
NJU7774F NJU7775F NJU7776F
1.VOUT
2.GND
3.VIN
4.CONTROL
5.NC
1.VIN
2.GND
3.CONTROL
4.NC
5.VOUT
1.CONTROL
2.GND
3.NC
4.VOUT
5.VIN
NJU7771/72/73 NJU7774/75/76
V
DD
V
SS
V
OUT
Thermal
Protection
Vref
Output
Control
Current
Limit
CONTROL
V
DD
V
SS
V
OUT
Thermal
Protection
Vref
Output
Control
Current
Limit
CONTROL
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OUTPUT VOLTAGE RANK LIST
NJU7771
Device Name VOUT Device Name VOUT Device Name VOUT Device Name VOUT
NJU7771F15 1.5V NJU7771F23 2.3V NJU7771F32 3.2V NJU7771F04 4.0V
NJU7771F18 1.8V NJU7771F25 2.5V NJU7771F33 3.3V NJU7771F42 4.2V
NJU7771F19 1.9V NJU7771F27 2.7V NJU7771F35 3.5V NJU7771F05 5.0V
NJU7771F21 2.1V NJU7771F28 2.8V NJU7771F36 3.6V
NJU7771F22 2.2V NJU7771F03 3.0V NJU7771F38 3.8V
NJU7772
Device Name VOUT Device Name VOUT Device Name VOUT Device Name VOUT
NJU7772F15 1.5V NJU7772F23 2.3V NJU7772F32 3.2V NJU7772F04 4.0V
NJU7772F18 1.8V NJU7772F25 2.5V NJU7772F33 3.3V NJU7772F42 4.2V
NJU7772F19 1.9V NJU7772F27 2.7V NJU7772F35 3.5V NJU7772F05 5.0V
NJU7772F21 2.1V NJU7772F28 2.8V NJU7772F36 3.6V
NJU7772F22 2.2V NJU7772F03 3.0V NJU7772F38 3.8V
NJU7773
Device Name VOUT Device Name VOUT Device Name VOUT Device Name VOUT
NJU7773F15 1.5V NJU7773F23 2.3V NJU7773F32 3.2V NJU7773F04 4.0V
NJU7773F18 1.8V NJU7773F25 2.5V NJU7773F33 3.3V NJU7773F42 4.2V
NJU7773F19 1.9V NJU7773F27 2.7V NJU7773F35 3.5V NJU7773F05 5.0V
NJU7773F21 2.1V NJU7773F28 2.8V NJU7773F36 3.6V
NJU7773F22 2.2V NJU7773F03 3.0V NJU7773F38 3.8V
NJU7774
Device Name VOUT Device Name VOUT Device Name VOUT Device Name VOUT
NJU7774F15 1.5V NJU7774F25 2.5V NJU7774F33 3.3V NJU7774F05 5.0V
NJU7774F18 1.8V NJU7774F27 2.7V NJU7774F35 3.5V
NJU7774F21 2.1V NJU7774F28 2.8V NJU7774F38 3.8V
NJU7774F22 2.2V NJU7774F03 3.0V NJU7774F04 4.0V
NJU7774F23 2.3V NJU7774F32 3.2V NJU7774F42 4.2V
NJU7775
Device Name VOUT Device Name VOUT Device Name VOUT Device Name VOUT
NJU7775F15 1.5V NJU7775F25 2.5V NJU7775F33 3.3V NJU7775F05 5.0V
NJU7775F18 1.8V NJU7775F27 2.7V NJU7775F35 3.5V
NJU7775F21 2.1V NJU7775F28 2.8V NJU7775F38 3.8V
NJU7775F22 2.2V NJU7775F03 3.0V NJU7775F04 4.0V
NJU7775F23 2.3V NJU7775F32 3.2V NJU7775F42 4.2V
NJU7776
Device Name VOUT Device Name VOUT Device Name VOUT Device Name VOUT
NJU7776F15 1.5V NJU7776F25 2.5V NJU7776F33 3.3V NJU7776F05 5.0V
NJU7776F18 1.8V NJU7776F27 2.7V NJU7776F35 3.5V
NJU7776F21 2.1V NJU7776F28 2.8V NJU7776F38 3.8V
NJU7776F22 2.2V NJU7776F03 3.0V NJU7776F04 4.0V
NJU7776F23 2.3V NJU7776F32 3.2V NJU7776F42 4.2V
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ABSOLUTE MAXIMUM RATINGS (Ta=25°C)
PARAMETER SYMBOL RATINGS UNIT
Input Voltage VIN +10 V
Control Voltage VCONT +10(*1) V
350(*2)
Power Dissipation PD SOT-23-5 200(*3) mW
Operating Temperature Topr −40 ∼ +85 °C
Storage Temperature Tstg −40 ∼ +125 °C
OFF-state
Output Sink Current(*4) IO 10 mA
(*1): When input voltage is less than +10V, the absolute maximum control voltage is equal to the input voltage.
(*2) : Mounted on glass epoxy board based on EIA/JEDEC. (114.3x76.2x1.6mm: 2Layers)
(*3) : Device itself
(*4): This maximum rating is applied to NJU7774/75/76.
Operating voltage
VIN=+2.3 ∼ +14V (In case of Vo<2.1V version)
ELECTRICAL CHARACTERISTICS
(VIN=Vo+1V, CIN=0.1µF, Co=1.0µF(Co=2.2µF: Vo≤2.0V), Ta=25°C)
PARAMETER SYMBOL TEST CONDITION MIN. TYP. MAX. UNIT
Output Voltage Vo Io=30mA -1.0% − +1.0% V
Input Voltage VIN − − 9 V
Quiescent Current IQ Io=0mA, VCONT=VIN − 18 35 µA
Quiescent Current
at Control OFF IQ(OFF) V
CONT=0V − 0.1 1 µA
Output Current Io Vo-0.1V (Vo≤2.0V)
Vo-0.3V (Vo≥2.1V) 150 − − mA
Short Current Limit ILIM Vo=0V − 50 − mA
Line Regulation ∆ Vo/∆ VIN
VIN=Vo+1V ∼ Vo+6.0V (Vo<3.0V)
VIN=Vo+1V ∼ 9.0V (Vo≥3.0V),
Io=30mA
− − 0.20 %/V
Load Regulation ∆ Vo/∆ Io Io=0 ∼ 100mA − − 0.03 %/mA
Io=100mA, 2.1V≤Vo≤2.4V − 0.2 0.3 V
Io=100mA, 2.5V≤Vo≤2.7V − 0.18 0.28 V
Io=100mA, 2.8V≤Vo≤3.3V − 0.15 0.25 V
Dropout Voltage(*note 3) ∆ VI-O
Io=100mA, 3.4V≤Vo≤5.0V − 0.12 0.22 V
Ripple Rejection RR ein=200mVrms,f=1kHz,Io=10mA,
Vo=3.0V Version − 65 − dB
Average Temperature
Coefficient of Output Voltage ∆ Vo/∆ Ta Ta = 0 ∼ 85°C, Io=10mA − ±100 − ppm/°C
VNO1 f=10Hz ∼ 80kHz,Io=0mA,Vo=3.0V Version − 40 − µVrms
Output Noise Voltage VNO2 f=10Hz∼80kHz,Io=10mA,Vo=3.0V Version − 70 − µVrms
Pull-down Resistance RCONT 2 5 10 MΩ
Control Voltage for ON-state VCONT(ON) 1.6 − − V
Control Voltage for OFF-state VCONT(OFF) − − 0.3 V
Pull-down Resistance at
OFF-state(*6) RO(OFF) V
CONT=0V (VO=3.0V Version) – 120 – Ω
(*5): Except output voltage less than 2.1V.
(*6) This electrical characteristics is applied to NJU7774/75/76.
The above specification is a common specification for all output voltages.
Therefore, it may be different from the individual specification for a specific output voltage.
NJU7771/72/73/74/75/76
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TEST CIRCUIT
NJU777*
VIN
VIN VOUT
CONTROL
GND
0.1µF
IIN
ICONT
VCONT
IOUT VOUT
V
V
A
A
1.0µF*7
(ceramic)
CIN CO
*7Vo≤2.0V version: Co=2.2µF(ceramic)
POWER DISSIPATION vs. AMBIENT TEMPERATURE
NJU777*F Power Dissipation
(Topr=-40〜+85℃,Tj=125℃,PD=200mW(Ta≦25℃))
0
100
200
300
400
500
-50 -25 0 25 50 75 100
Ambient Temperature Ta(℃)
P
ower
Di
ss
i
pat
i
on
P
D
(
m
W)
Device itself
On Board(114.3×76.2×1.6mm, FR-4)
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TYPICAL APPLICATION
1 In case that ON/OFF Control is not required:
NJU777*
VIN VOUT
CONTROL
GND
0.1µF
VOUT
VIN
1.0µF *8
*8Vo≤2.0V version: Co=2.2µF
Connect control terminal to VIN terminal.
2 In use of ON/OFF Control
NJU777*
VIN VOUT
CONTROL
GND
0.1µF
VOUT
VIN
1.0µF *8
*8Vo≤2.0V version: Co=2.2µF
State of control terminal:
● “H” → output is enabled.
● “L” or “open” → output is disabled.
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ELECTRICAL CHARACTERISTICS
2.7
2.8
2.9
3
3.1
3.2
2.7 2.8 2.9 3 3.1 3.2 3.3 3.4
Output Voltage : Vo(V)
Input Voltage : V IN(V)
NJU777*_3.0V
Output Vol ta ge vs. I nput Vo lt age
@:Ta=25oC
Co =1.0µF(Ceramic)
Io=0A
Io=30mA
Io=100mA
0
0.5
1
1.5
2
2.5
3
3.5
0 50 100 150 200 250 300
Output Voltage : Vo(V)
NJU777*_3.0V
Out pu t Vol tage vs . O u tpu t Curr en t
@:Ta=25oC
VIN =4 .0V
Co =1.0µF (Ceramic)
Output Current : Io(mA)
0
20
40
60
80
100
050100150200
Ground Pin Current : IGND (µA)
NJU777*_3.0V
Gr ound Pin Cur rent v. s . Outp u t Curre nt
@:Ta=25oC
VIN=4.0V
Co=1.0µF(Ceramic)
Output Current : IO(mA)
0
0.05
0.1
0.15
0.2
0.25
0.3
0 50 100 150
Ou tpu t Cur re nt: Io (mA)
@:Ta=25oC
Co=1 .0µF(Ceramic)
Dropout Voltage:dVI-O (V)
NJU777*_3.0V
Dropout Vol tage vs. Output Current
0
1
2
3
4
5
6
0 0.5 1 1.5 2 2.5 3
Output Voltage : Vo(V)
Control Voltage : Vcont(V)
NJU777*_ 3.0V
Output Voltage vs. Control Voltage
@:Ta=25oC
VIN=4 . 0V
Co=1.0mF(Ceramic)
Io=30mA
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ELECTRICAL CHARACTERISTICS
-50
-40
-30
-20
-10
0
050100150200
Load Regulation : dVo /dIo( mV)
Output Current : Io(mA)
NJU777*_3.0V
L oad Regulation vs. Outpu t Current
@:Ta=25oC
VIN=4.0V
Co=1.0µF(Ceramic)
0
50
100
150
200
250
300
456789
Peak Output Curre nt : IoMAX(mA)
NJU777*_3.0V
Peak Output Cur re nt v s. I np ut Volt age
@:Ta=25oC
Co=1. 0µF(Ceramic)
Input Voltage : V IN(V)
0
10
20
30
40
50
60
0246810
Quiesc ent Cur re nt : IQ (µA)
NJU 777*_ 3. 0V
Qu ie scen t Cur ren t v.s . In pu t Voltage
@:Ta=25oC
Output is open.
Co=1.0µF(Ceramic)
including Ico nt
Input Vol tage : VIN(V)
0
20
40
60
80
100
120
0.001 0.01 0.1 1 10 100
Output Current : Io(mA)
Output Noise Voltage : Vn(µVrms)
NJ U 777*_ 3. 0V
Output Noise Voltage vs. Output Current
@:Ta=25oC
VIN=4.0V
LP F:80kHz
Co=1.0µF(Ceramic)
Co=2.2µF(Ceramic)
0
20
40
60
80
100
10 100 1000 104105
Ripp le R ejection Ratio : RR (dB)
Frequency : f (Hz)
NJU777*_3.0V
Ripple Rejection Ratio v.s . Fr equen cy
Io=0mA
Io=10mA
Io=30mA
@:Ta=25oC
VIN=4.0V
ein=200mVrms
Co=1.0µF(Ceramic)
10
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ELECTRICAL CHARACTERISTICS
0
10
20
30
40
50
60
70
80
0.001 0.01 0.1 1 10 100
Output Current : Io(A)
Ripple Rejection : RR (dB)
NJU777*_3.0V
Ri pple Rejection vs. Ou tput Curre nt
f=1kHz
f=10kHz
@:Ta=25oC
VIN=4.0V
ein=200mVrms
Co =1.0µF(Ceramic)
0.01
0.1
1
10
100
Output Current : Io(A)
@:Ta=25oC
Co=1.0µF(Ceramic)
Cin=0.1µF
Eq uiv al en t Se ri se Re si st anc e : ES R(Ω)
NJU777*_3.0V
Eq uiv al en t S er is e Re s is t anc e vs . Out pu t Cur re n t
STABLE REGION
1µ10µ100µ1m 10m 100m
0
0.05
0.1
0.15
0.2
0.25
0.3
-50 0 50 100 150
Temperature : Ta (oC)
@: Io =100mA
Co=1.0µF(Ceramic)
NJU 777*_3. 0V
Dropout Voltage v.s. Temperature
Dropout Voltage:dVI-O (V)
0
0.5
1
1.5
2
-50 0 50 100 150
OFF Control Voltage : VCONT(ON) (V )
Temperature : Ta (oC)
NJU777*_3.0V
OF F Con tr ol Vol tage v.s. Temperat ure
@:VIN=4.0V
Co=1.0µF(Ceramic)
2.9
2.95
3
3.05
3.1
-50 0 50 100 150
Output Voltage Vo ( V)
Temperature Ta ( oC)
NJ U 777*_3.0V
Output Voltage v.s. Temperature
@:VIN=4.0V
Io=30mA
Co=1.0µF(Ceramic)
0
10
20
30
40
50
60
-50 0 50 100 150
Quiescent Cur rent : IQ (µA)
Temperature : Ta (oC)
NJU777*_3.0V
Quie scent Cur rent v.s. Temperature
@:VIN=4.0V
Output is open.
Co=1.0µF(Ceramic)
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ELECTRICAL CHARACTERISTICS
-0.1
-0.05
0
0.05
0.1
-50 0 50 100 150
Line Regulation : dVo/dIo (%/V)
Te mperatu r e : T a (oC)
NJU 777*_ 3. 0V
Li ne R egul ation v.s . Temperature
@:dVIN=4.0-9.0V
Io=30mA
Co=1.0µF(Ceramic)
0
0.005
0.01
0.015
0.02
0.025
0.03
-50 0 50 100 150
Lo ad Regula tion : dVo /dIo (%/mA)
Te mpe rature : Ta (oC)
NJU 777*_3. 0V
Load Re gu la ti on v .s. Tempe ratur e
@:VIN=4.0V
Io=0-100mA
Co=1.0µF(Ceramic)
2.9
2.95
3
3.05
3.1
-50 0 50 100 150
Ou tpu t Voltag e Vo ( V)
Te mpe ratur e Ta ( oC)
NJU777*_3.0V
Ou tpu t Vo lt ag e v. s. Temp er at ure
@:VIN=4.0V
Io=30mA
Co=1.0µF(Ceramic)
0
50
100
150
200
-50 0 50 100 150
Sh or t Ci r c ui t Cu r re nt : ISC (m A)
Tempe ratu re : T a (oC)
NJU777*_3.0V
Sh or t Ci rcui t Curre nt v.s. Tempe ratur e
@:VIN=4.0V
Output is short to ground.
Co=1.0µF(Ceramic)
NJU7771/72/73/74/75/76
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ELECTRICAL CHARACTERISTICS
[CAUTION]
The specifications on this databook are only
given for information , without any guarantee
as regards either mistakes or omissions. The
application circuits in this databook are
described only to show representative usages
of the product and not intended for the
guarantee or permission of any right including
the industrial rights.
NJU777*_3.0V
ON/OFF Transient Response
VIN=4.0V, Io=30mA, Co=1.0µF(ceramic)
Tim e : t(m s )
ControlVoltage：VCONT（V)
ControlVoltage
OutputVoltage
OutputVoltage：Vo(V)
NJU777*_3.0V
ON/OFF Transient Response without Load
VIN=4.0V, Io=0A,Co=1.0µF(ceramic)
Tim e : t(m s )
ControlVoltage：VCONT（V)
ControlVoltage
OutputVoltage
OutputVoltage：Vo(V)
NJU777*_3.0V
ON/OFF Transient Response without Load
Io=30mA,Co=1.0µF(ceramic)
Tim e : t( µs)
Input Voltage：VIN（V)
Input Voltage
OutputVoltage
OutputVoltage：Vo(V)
NJU777*_3.0V
ON/OFF Transient Response without Load
VIN=4.0V,Co=1.0µF(ceramic)
Tim e : t(µs)
OutputCurrent：Io(mA)
OutputCurrent
OutputVoltage
OutputVoltage：Vo(V)