RT6575A/B
Power Off from EN
Power On from EN
EN
(5V/Div)
EN
(5V/Div)
VOUT2
(3V/Div)
VOUT2
(3V/Div)
VOUT1
(4V/Div)
VOUT1
(4V/Div)
LDO5
(5V/Div)
LDO5
(5V/Div)
VIN = 12V, EN1 = EN2 = LDO3, No Load
VIN = 12V, EN1 = EN2 = LDO3, No Load
Time (20ms/Div)
Time (500μs/Div)
VOUT2 Load Transient Response
VOUT1 Load Transient Response
VOUT2
(100mV/Div)
VOUT1
(100mV/Div)
UGATE2
(50V/Div)
UGATE1
(50V/Div)
LGATE2
(6V/Div)
LGATE1
(6V/Div)
IOUT2
(4A/Div)
IOUT1
(4A/Div)
VIN = 12V, EN1 = 0V,
VIN = 12V, EN1 = LDO3,
EN2 = LDO3, IOUT2 = 0A to 6A
EN2 = 0V, IOUT1 = 0A to 6A
Time (50μs/Div)
Time (50μs/Div)
OVP
UVP
VOUT1
(5V/Div)
VOUT1
(2V/Div)
UGATE1
(20V/Div)
IL1
(4A/Div)
UGATE1
IL1
PGOOD
(4V/Div)
LGATE1
(5V/Div)
LGATE1
(10V/Div)
VIN = 12V, EN1 = EN2 = LDO3, No Load
VIN = 12V, EN1 = EN2 = LDO3
Time (100μs/Div)
Time (200μs/Div)
Copyright 2016 Richtek Technology Corporation. All rights reserved.
©
is a registered trademark of Richtek Technology Corporation.
DS6575A/B-03 February 2016
www.richtek.com
13
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
