RT6543A/B
Typical Operating Characteristics
Power On from EN
Power On from EN
VOUT
(1V/Div)
VOUT
(1V/Div)
PH
(20V/Div)
PH
(20V/Div)
EN
(2V/Div)
EN
(2V/Div)
PGOOD
(5V/Div)
PGOOD
(5V/Div)
VSYS = 12V, VCC = 5V, VOUT = 1.8V, IOUT = 32A
VSYS = 12V, VCC = 5V, VOUT = 1.65V, IOUT = 24A
Time (200μs/Div)
Time (200μs/Div)
Over-Current Limit
Over-Current Limit
VOUT
(600mV/Div)
VOUT
(600mV/Div)
IL
IL
(10A/Div)
(10A/Div)
PH
(20V/Div)
PH
(20V/Div)
PGOOD
(6V/Div)
PGOOD
(6V/Div)
VIN = 12V, VCC = 5V, VOUT = 1.8V
VIN = 12V, VCC = 5V, VOUT = 1.65V
Time (50μs/Div)
Time (50μs/Div)
VID Change
VID Change
VOUT
offset 1.65V
(80mV/Div)
VOUT
offset 1.65V
(80mV/Div)
PH
(10V/Div)
PH
(10V/Div)
VID0
(10V/Div)
VID0
(5V/Div)
VID1
(5V/Div)
VID1
(5V/Div)
VIN = 12V, VCC = 5V
VIN = 12V, VCC = 5V
VOUT = 1.65V to 1.8V, IOUT = 5A
VOUT = 1.8V to 1.65V, IOUT = 5A
Time (10μs/Div)
Time (10μs/Div)
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www.richtek.com
10
DS6543A/B-01 March 2020
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
