PM6641
Electrical characteristics
Table 6. Electrical characteristics (continued)
Symbol
Parameter
Test condition
Values
Unit
Min Typ Max
Thermal shutdown
TSHDN
Thermal shutdown threshold
Thermal shutdown hysteresis
Switching node – chipset 1.5 V rail
tOnmin
RDSon,HS
RDSon,LS
Minimum on-time
High side PMOS Ron
Low side NMOS Ron
IINLEAK VIN_1S5 leakage current
VAVCC = VVCC = +5 V, all
EN_1S5 low
VIN =
+5 V
VIN =
+3.3 V
Peak current limit
RCSNS = 50 kΩ
Soft-end section – chipset 1.5 V rail
Discharge resistance
LS turn-on VFB_1SX threshold
with internal divider
VFB_S1X to OUT_X
LS turn-on VFB_1SX threshold
with external divider
VFB_S1X to external divider
Power management section – chipset 1.5 V rail
EN_1S5 turn-off level
0.8
EN_1S5 turn-on level
VAVCC = 5 V
Switching node – chipset 1.05 V rail
tOnmin
RDSon,HS
RDSon,LS
Minimum on-time
High side PMOS Ron
Low side NMOS Ron
IINLEAK VIN_1S05 leakage current
Peak current limit
Soft end section – chipset 1.05 V rail
VAVCC = VVCC = +5 V, all
EN_1S05 low
RCSNS = 50 kΩ
VIN =
+5 V
VIN =
+3.3 V
Discharge resistance
150
15
200
150
100
3.9
25
0.29
0.16
180
100
70
5.1
25
°C
ns
220
mΩ
160
1
μA
A
Ω
V
V
2
ns
160
mΩ
110
1
μA
1
A
Ω
Doc ID 13510 Rev 3
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