The APW7276 integrates with a high-performance step- up converter, two charge pump controllers and one high current operational amplifiers for TFT-LCD applications.

Features6Nf嘉泰姆

·  Input Voltage Range from 2.7V to 5.5V6Nf嘉泰姆

Positive & Negative Charge Pump for VGH & VGL6Nf嘉泰姆

High Performance Operation Amplifier6Nf嘉泰姆

- +100mA Output Short Circuit Current6Nf嘉泰姆

- 13V/µs Slew Rate6Nf嘉泰姆

- 10MHz, -3dB Bandwidth6Nf嘉泰姆

Control Output for External P-MOSFET to Support6Nf嘉泰姆

Completely Disconnecting the Battery6Nf嘉泰姆

Adjustable Power Sequence by External Capacitor6Nf嘉泰姆

Internal Soft-start6Nf嘉泰姆

Cycle By Cycle Current Limit6Nf嘉泰姆

Multiple Overload Protection6Nf嘉泰姆

Over Temperature Protection6Nf嘉泰姆

Available in TQFN3x3-20 Package6Nf嘉泰姆

Halogen and Lead Free Available (RoHS Compliant)6Nf嘉泰姆

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General Description 6Nf嘉泰姆

The APW7276 integrates with a high-performance step-6Nf嘉泰姆

up converter, two charge pump controllers and one high6Nf嘉泰姆

current operational amplifiers for TFT-LCD applications.6Nf嘉泰姆

The main step-up regulator is a current-mode, fixed-fre-6Nf嘉泰姆

quency PWM switching regulator. The 1.5MHz switching6Nf嘉泰姆

frequency allows the usage of low-profile inductors and6Nf嘉泰姆

ceramic capacitors to minimize the thickness of LCD panel6Nf嘉泰姆

designs.The charge pump controllers provide regulated6Nf嘉泰姆

the gate-driver of TFT-LCD VGH and VGL supplies.The am-6Nf嘉泰姆

plifiers are ideal for V COM applications, with 100mA6Nf嘉泰姆

output short circuit current drive, 10MHz bandwidth, and6Nf嘉泰姆

13V/µs slew rate. All inputs and outputs are rail-to-rail.6Nf嘉泰姆

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The APW7276 is available in a tiny 3mm x 3mm 20-pin6Nf嘉泰姆

QFN package (TQFN3x3-20).6Nf嘉泰姆

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