RT9287 View Datasheet(PDF) - Richtek Technology

Part Name

Description

View to exact match

RT9287

Boost Converter for OLED Power with Dual LDO

Richtek Technology 

RT9287

Preliminary

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01.001

LDO PSRR

LDO Line Transient Response

ILOAD = 10mA

ILOAD = 100mA

ILOAD = 0mA

VIN 4.8

(V)

3.8

VOUT1

(20mV/Div)

VOUT2

(20mV/Div)

100.01

11000 1100000 101000000 10100000

FFrreeqquueennccyy(k(Hz)

Both ILOAD = 1mA, VIN = 3.8V to 4.8V

Time (250μs/Div)

LDO Line Transient Response

VIN 4.8

(V)

3.8

VOUT1

(20mV/Div)

VOUT2

(20mV/Div)

Both ILOAD = 10mA, VIN = 3.8V to 4.8V

Time (250μs/Div)

LDO Load Transient Response

IOUT

(100mA/Div)

VOUT1

(20mV/Div)

VOUT2

(20mV/Div)

ILOAD = 10mA to 100mA, VIN = VEN = 4.3V

Time (250μs/Div)

LDO Load Transient Response

IOUT

(200mA/Div)

VOUT1

(100mV/Div)

VOUT2

(100mV/Div)

ILOAD = 10mA to 350mA, VIN = VEN = 4.3V

Time (250μs/Div)

LDO Power On from EN

VEN

(2V/Div)

VOUT1

(2V/Div)

VOUT2

(2V/Div)

Both ILOAD = 100mA, VIN = 5V

Time (10μs/Div)

www.richtek.com

8

DS9287-01 August 2007

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