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BP5326

Rohm
Part Number BP5326
Manufacturer Rohm
Description DC/DC converter
Published Jun 11, 2007
Detailed Description BP5326 Power Module DC/DC converter step-up BP5326 Suitable for LCD panels, tuner power supply. Only additional electro...
Datasheet PDF File BP5326 PDF File

BP5326
BP5326

Overview
BP5326 Power Module DC/DC converter step-up BP5326 Suitable for LCD panels, tuner power supply.
Only additional electrolysis capacitor, the source of step-up power supply can be constituted easily.
zApplications LCD panel, Tuner.
zFeatures 1) High conversion efficiency.
2) Built-in protection circuit.
3) Built-in ON / OFF switch.
4) Compact and light.
5) Surface mounting is possible because parts are concentrated on one side.
zAbsolute maximum ratings (Ta=25°C) www.
DataSheet4U.
com Parameter Power supply voltage Operating temperature range Storage temperature range Symbol VIN Topr Tstg Limits 7 0 to 60 −30 to +85 Unit V °C °C zBlock diagram TRANSFORMER CURRENT SENSOR SW CTRL CONTROL CIRCUIT ON / OFF 9 VIN 8 VCTL 7 GND 4 GND 3 Vref 2 VOUT 1 Co Rev.
A 1/3 BP5326 Power Module zPin descriptions Pin No.
1 2 3 4, 7 8 Pin name Co VOUT Vref GND VCTL Function Output smoothing capacitor connection pin ; connect a low-impedance capacitor with a recommended capacitance of 47µF between this and GND.
Output pin.
Output voltage adjustment pin for contrast ; output voltage is adjusted by connecting a resistor between pins 2 and 3 or pins 3 and 4.
Ground pin.
Output ON/OFF control pin ; output starts when the pin is HIGH level, and stops when the pin is LOW or OPEN.
Input pin ; connect a low-impedance capacitor with a recommended capacitance of 100µF between this pin and GND.
9 VIN zElectrical characteristics (Unless otherwise noted, Ta=25°C, VCTL=5V, R1 to R2 resistors are disconnected) Parameter Input voltage Output current Output voltage Output voltage when OFF Ripple noise voltage Efficiency ON / OFF CTL voltage when ON ON / OFF CTL voltage when OFF ON / OFF CTL current Current consumption when OFF ∗ Measured with a band width of 20 MHz.
Symbol VIN IOUT VOUT1 VOUT2 υ1 η VCTL Min.
4.
5 − 28.
0 − − 67 1.
5 − Typ.
5.
0 − 29.
5 − 100 77 − − Max.
5.
5 25 31.
0 0.
3 200 − − 0.
5 Unit V mA V V mVP-P % V Conditions − − VIN=4.
5 to 5.
5V, IOUT=0 to 25mA VIN=4.
5 to 5.
5...


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