ADM8832
ADM8832 is Charge Pump Regulator for Color TFT Panel manufactured by Analog Devices.
Charge Pump Regulator for Color TFT Panel ADM8832
Features
3 output voltages (+5.1 V, +15.3 V,
- 10.2 V) from one 3 V input supply Power efficiency optimized for use with TFT in mobile phones Low quiescent current Low shutdown current (<1 µA) Fast transient response Shutdown function Power saving during blanking period Option to use external ldo
FUNCTIONAL BLOCK DIAGRAM
VCC C5 2.2µF C1+ C1- VOUT CLKIN SCAN/ BLANK LDO_ON/ OFF OSCILLATOR LDO VOLTAGE REGULATOR CONTROL LOGIC DOUBLE LDO IN C6 2.2µF +5VOUT +5VIN C2+ C2- C2 1µF C3 1µF +15.3V C8 1µF C1 2.2µF
VOLTAGE DOUBLER
+5.1V C7 2.2µF
APPLICATIONS
Handheld instruments TFT LCD panels Cellular phones
SHDN
TIMING GENERATOR VOLTAGE...
