TTAAIIYYOOYYUUDDEENN
KLS-150A-RH
Model
LCD Backlight Driver
Input Specifications*
Item Condition Standard
Input Voltage
Rated — 12 Vdc
Tolerance Continuous Operation 10.8 V - 13.2 V
Starting Condition (Discharge Starting Voltage) 10.8 V - 13.2 V
Max. Input Current VIN = 12 Vdc 1.2 A Typ.
Luminance @ Max.
Max. Input Power VIN = 12 Vdc 16 W Max.
Luminance @ Max.
DC-Bright IOUT = Max 3.3 V
IOUT = Min 0 V
On/Off Input Current On
VCONT = 3.0 – 5.0 V IMAX = 0.1 mA
Off
VCONT = GND-0.8 Vdc IMAX = 16 µA
*Above Specifications Occur @ 25 ± 5ºC
12 Volt Input
Dual Tube CCFT Inverter
Brightness Control
Output Specifications*
Item Condition Standard
MIN TYP MAX
Output Voltage (Vrms) VIN = 12 Vdc — 930 —
Starting Voltage (Vrms) VIN = 10.8 Vdc 2000 — —
Tube Current for per Lamp (mArms) Luminance @ Max. (High) — 6.5 —
Luminance @ Max. (Low) — 4.0 —
Luminance @ Min. (High) — 3.0 —
Luminance @ Min. (Low) — 2.0 —
Max. Power Output for 2 Lamps (W) VIN = 12 Vdc/Luminance @ Max. — 13 —
Ignition Frequency (kHz) Luminance @ Max. 40 55 80
*Above specifications occur @ 25 ± 5ºC.
Physical Specifications
Dimensions: 120mm x 40mm x 10.0mm
(4.72" x 1.57" x 0.39")
Operating Temp: 0 to 60°C, convection cooling
Relative Humidity: 20% to 90%, non-condensing
Storage: -20 to 85°C/5-95% RH non-condensing
Impact Resistance: 50G half wave per 2 msec
Vibration Resistance: 10-55-10 Hz/min @ 1.5mm
RoHS
COMPLIANT
KLS-150A-RH
Model
Luminance Variance
Item Condition Applied Voltage Output Current
Luminance @ Max. (High) Vbr= 3.3 V, Vsel = 5.0 V 6.5 mA (one lamp)
Luminance @ Max. (Low) Vbr= 3.3 V, Vsel = 0 V 4 mA (one lamp)
Luminance @ Min. (High) Vbr= 0 V, Vsel = 5.0 V 3 mA (one lamp)
Luminance @ Min. (Low) Vbr= 0 V, Vsel = 0 V 2 mA (one lamp)
© Copyright 2007 TAIYO YUDEN (U.S.A.), INC. Specifications subject to change without notice.
FM 32227
TAIYO YUDEN (U.S.A.), INC.
440 Stevens Avenue, Suite 300 Solana Beach, CA 92075
(858) 350-6800 / Fax: (858) 350-6854
(800) 263-4532
www.t-yuden.com inverters@t-yuden.com
Connection Diagram
INVERTER
1
2
3
GND
VIN
10.8 - 13.2 V
GND
VIN
On/Off
VBR
0 - 3.3 V
SW
On/Off
0 / 5.0 V
DC
0 / 5.0 V
VIN
CCFT HIGH
CCFT LOW
CCFT HIGH
CCFT LOW
Input Connector CN1
53261-0890 (Molex)
or Equivalent
Output Connector CN2, CN3
SM02B-BHSS-1-TB (JST)
or Equivalent
Corresponding Housing
BHSR-02VS-1 (JST)
CN2
CN1
4
5
VBR
7
SEL
8
6
VIN 1
2
1
2
CCFT
CN3 CCFT
KLS-150A-RH
SW
DC Brightness Control Method*
Maximum output current can be adjusted by applying bias
voltage or using a variable resistor as shown below.
KLS-150A-RH
Model
Tech Notes
FM 32227
3
2
GND
1
VIN
On/Off
GND
4
5
6
VSEL
VBR
7
8
VIN
VIN
VIN = 12 Vdc
VSEL = 5 Vdc
On/Off =
5 Vdc
VBR = 3.3 Vdc
3
2
GND
1
VIN
On/Off
GND
4
5
6
VSEL
VBR
7
8
VIN
VIN
VIN = 12 Vdc
VSEL = 5 Vdc
On/Off =
5 Vdc
VBR = 0 Vdc
3
2
GND
1
VIN
On/Off
GND
4
5
6
VSEL
VBR
7
8
VIN
VIN
VIN = 12 Vdc
VSEL = 0 Vdc
On/Off =
5 Vdc
VBR = 3.3 Vdc
3
2
GND
1
VIN
On/Off
GND
4
5
6
VSEL
VBR
7
8
VIN
VIN
VIN = 12 Vdc
VSEL = 0 Vdc
On/Off =
5 Vdc
VBR = 0 Vdc
© Copyright 2007 TAIYO YUDEN (U.S.A.), INC. Specifications subject to change without notice.
TAIYO YUDEN (U.S.A.), INC.
440 Stevens Avenue, Suite 300 Solana Beach, CA 92075
(858) 350-6800 / Fax: (858) 350-6854
(800) 263-4532
www.t-yuden.com inverters@t-yuden.com
Iout = 6.5mA
(Vin = 12V,
On/Off = 5V,
Vbr = 3.3V,
Vsel = 5V)
Iout = 3mA
(Vin = 12V,
On/Off = 5V,
Vbr = 0V,
Vsel = 5V)
Iout = 2mA
(Vin = 12V,
On/Off = 5V,
Vbr = 0V,
Vsel = 0V)
Iout = 4mA
(Vin = 12V,
On/Off = 5V,
Vbr = 3.3V,
Vsel = 0V)
