RT8288AZSP Datasheet, PDF (7/14 Pages) Richtek Technology Corporation – 4A, 21V 500kHz Synchronous Step-Down Converter

RT8288A
Current Limit vs. Input Voltage
12
10
8
6
4
2
0
4 6 8 10 12 14 16 18 20 22
Input Voltage (V)
Load Transient Response
11
10
9
8
7
6
5
4
3
-50
Current Limit vs. Temperature
VIN = 12V, VOUT = 1.22V
-25 0
25 50 75 100 125
Temperature (°C)
Load Transient Response
VOUT
(200mV/Div)
VOUT
(200mV/Div)
IOUT
(2A/Div)
VOUT
(50mV/Div)
VIN = 12V, VOUT = 1.22V, IOUT = 0A to 4A
Time (100μs/Div)
IOUT
(2A/Div)
Output Voltage Ripple
VOUT
(50mV/Div)
VIN = 12V, VOUT = 1.22V, IOUT = 1A to 4A
Time (100μs/Div)
Output Voltage Ripple
VSW
(10V/Div)
VSW
(10V/Div)
IL
(2A/Div)
VIN = 12V, IOUT = 1A
Time (1μs/Div)
IL
(2A/Div)
VIN = 12V, IOUT = 4A
Time (1μs/Div)
Copyright ©2012 Richtek Technology Corporation. All rights reserved.
DS8288A-03 June 2012
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
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