RT6541A
Power On from EN
V
IN
= 12V, V
CC
= 5V, V
EN
= 0V
5V,VID = 1.05V,
I
Load
= 0.1A
Power Off from EN
V
IN
= 12V, V
CC
= 5V, V
EN
= 5V
0V,VID = 1.05V,
I
LOAD
= 0.1A
V
OUT
(1V/Div)
PGOOD
(5V/Div)
EN
(5V/Div)
PHASE
(20V/Div)
Time (500μs/Div)
V
OUT
(1V/Div)
PGOOD
(5V/Div)
EN
(5V/Div)
PHASE
(20V/Div)
Time (500μs/Div)
Dynamic VID Up
Dynamic VID Down
No load, V
IN
= 12V, V
CC
= V
EN
= 5V,
V
OUT
= 0.8V to 1.05V
V
OUT
(500mV/Div)
G0 = G1
(5V/Div)
LGATE
(10V/Div)
PHASE
(20V/Div)
Time (20μs/Div)
V
OUT
(500mV/Div)
G0 = G1
(5V/Div)
LGATE
(10V/Div)
PHASE
(20V/Div)
No load, V
IN
= 12V, V
CC
= V
EN
= 5V
V
OUT
= 1.05V to 0.8V
Time (20μs/Div)
Over-Voltage Protection
Under-Voltage Protection
No load, V
IN
= 12V, V
CC
= V
EN
= 5V
V
OUT
= 1.05V
V
OUT
(1V/Div)
V
OUT
(500mV/Div)
PGOOD
(5V/Div)
LGATE
(5V/Div)
V
OUT
= 1.05V
No load, V
IN
= 12V, V
CC
= V
EN
= 5V
PGOOD
(5V/Div)
PHASE
(20V/Div)
LGATE
(10V/Div)
Time (100μs/Div)
Time (20μs/Div)
Copyright
©
2019 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
DS6541A-02
September 2019
www.richtek.com
9
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
