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G5521 - Global Mixed-mode Technology

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G5521 Integrated Multi-Channel DC-DC Converter

Global Mixed-mode Technology Inc. G5521 Integrated Multi-Channel DC-DC Converter for TFT-LCD Panels Features „ 2.5V to 5.5V Input Supply Range „ 640kHz/1.2MHz Current-Mode Boost Regulator Š Fast Transient Response to Pulse Load Š ±1% Accurate Output Voltage Š Built-In 20V/2A, 0.2Ω N-Channel MOSFET Š High Efficiency up to 90% Š Programmable Soft-Start Š Ov.

Features

„ 2.5V to 5.5V Input Supply Range „ 640kHz/1.2MHz Current-Mode Boost Regulator Š Fast Transient Response to Pulse Load Š ±1% Accurate Output Voltage Š Built-In 20V/2A, 0.2Ω N-Channel MOSFET Š High Efficiency up to 90% Š Programmable Soft-Start Š Over-Current Protection Š Output Under-Voltage Protection „ High-Performance Operational Amplifiers ±150mA Output Short-Circuit Current Š 12V/µs Slew Rate Š 12MHz, -3dB Bandwidth Š Rail-to-Rail Input and Output „ Low Dropout Voltage Linear Regulator Š 350mA Maximum Output Current Š Adjustable Output Voltage „ On-Chip GPM Controller Š Adjustable Falling.

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