RT6543A/B
Parameter
VCC POR/UVLO Threshold
POR Threshold
UVLO Threshold
Logic Threshold
VID0/VID1 Input Low
Voltage
VID0/VID1 Input High
Voltage
EN Input Low Voltage
EN Input High Voltage
FSWSEL Input High Level
FSWSEL Input Low Level
FSWSEL Input Floating
Level
VSYS UVLO
VSYS UVLO Threshold
UVLO Hysteresis
V
SYS_UVLO
V
SYS_HYS
V
SYS
= 19V, V
CC
= 5V
Input Current
I
VSYS
V
SYS
= 8.4V, V
CC
= 5V
V
CC
< V
CC_UVLO
Thermal Shutdown
Thermal Shutdown
Threshold
Thermal Shutdown
Hysteresis
T
SD
T
SD
--
--
160
20
--
--
C
C
--
--
--
--
--
2.7
200
2
0.9
0
--
--
--
--
--
V
mV
A
A
A
V
ID_IL
V
ID_IH
V
EN_IL
V
EN_IH
V
FSWSEL_H
V
FSWSEL_L
V
FSWSEL_HIZ
Falling edge, V
CC
= 5V
Rising edge, V
CC
= 5V
Falling edge, V
CC
= 5V
Rising edge, V
CC
= 5V
Rising edge, V
CC
= 5V
Falling edge, V
CC
= 5V
Floating, V
CC
= 5V
--
1
--
1
4.5
--
2
--
--
--
--
--
--
2.5
0.3
--
0.3
--
--
0.4
3
V
V
V
V
V
V
V
V
CC_POR
V
VCC_UVLO
4
3.7
4.2
3.9
4.4
4.1
V
V
Symbol
Test Conditions
Min
Typ
Max
Unit
Power Good Indicator (upper side threshold decide by OV threshold)
PGOOD High Threshold
PGOOD Low Threshold
PGOOD Leakage Current
PGOOD Output Low
Voltage
Input Supply Voltage
Supply Voltage
V
IN
3
--
24
V
V
PGOOD_IH
V
PGOOD_IL
I
LK_PGOOD
V
PGOOD_LOW
Rising edge
Falling edge
High state, V
PGOOD
= 5V
I
PGOOD_LOW
= 10mA
86
80
--
--
90
84
--
--
94
88
1
0.3
%V
OUT
%V
OUT
A
V
Copyright
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2020 Richtek Technology Corporation. All rights reserved.
is a registered trademark of Richtek Technology Corporation.
www.richtek.com
6
DS6543A/B-01 March 2020
RICHTEK [ RICHTEK TECHNOLOGY CORPORATION ]
