RT6343
Output Ripple Voltage
Power On from EN
VIN = 12V, VOUT = 5V, IOUT = 3.5A, fSW = 400kHz
VEN
(2V/Div)
VOUT
(10mV/Div)
VSS/TR
(1V/Div)
VIN = 12V, VOUT = 5V
IOUT = 3.5A, fSW = 400kHz
VOUT
(2V/Div)
VSW
(5V/Div)
VPGOOD
(5V/Div)
Time (2ms/Div)
Time (5μs/Div)
Power Off from EN
Power On from VIN
VEN
(2V/Div)
VSS/TR
(5V/Div)
VIN
(4V/Div)
VSS/TR
(2V/Div)
VOUT
(2V/Div)
VIN = 12V, VOUT = 5V
VIN = 12V, VOUT = 5V
IOUT = 3.5A, fSW = 400kHz
IOUT = 3.5A, fSW = 400kHz
VOUT
(2V/Div)
VPGOOD
(5V/Div)
VPGOOD
(5V/Div)
Time (200μs/Div)
Time (4ms/Div)
Start-Up Dropout Performance
Power Off from VIN
VIN
(4V/Div)
VIN
VSS/TR
(5V/Div)
VOUT
(2V/Div)
VOUT
VIN = 12V, VOUT = 5V
VIN
IOUT = 3.5A, fSW = 400kHz
(2V/Div)
VPGOOD
(5V/Div)
VOUT
(2V/Div)
VOUT = 5V, IOUT = 0.1A, 50Ω, EN pin floats
Time (100ms/Div)
Time (4ms/Div)
Copyright 2019 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS6343-00 October 2019
www.richtek.com
19
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
