參數(shù)資料
型號: PM6641
廠商: STMICROELECTRONICS
元件分類: 穩(wěn)壓器
英文描述: SWITCHING REGULATOR, 1100 kHz SWITCHING FREQ-MAX, QCC48
封裝: 7 X 7 MM, 1 MM HEIGHT, LEAD FREE, VQFP-48
文件頁數(shù): 3/47頁
文件大?。?/td> 2254K
代理商: PM6641
PM6641
Electrical characteristics
Doc ID 13510 Rev 3
11/47
Symbol
Parameter
Test condition
Values
Unit
Min
Typ
Max
Thermal shutdown
TSHDN
Thermal shutdown threshold
150
°C
Thermal shutdown hysteresis
15
Switching node – chipset 1.5 V rail
tOnmin
Minimum on-time
200
ns
RDSon,HS
High side PMOS Ron
150
220
m
Ω
RDSon,LS
Low side NMOS Ron
100
160
IINLEAK
VIN_1S5 leakage current
VAVCC = VVCC = +5 V, all
EN_1S5 low
VIN =
+5 V
1
μA
VIN =
+3.3 V
Peak current limit
RCSNS = 50 kΩ
3.9
A
Soft-end section – chipset 1.5 V rail
Discharge resistance
25
Ω
LS turn-on VFB_1SX threshold
with internal divider
VFB_S1X to OUT_X
0.29
V
LS turn-on VFB_1SX threshold
with external divider
VFB_S1X to external divider
0.16
Power management section – chipset 1.5 V rail
EN_1S5 turn-off level
VAVCC = 5 V
0.8
V
EN_1S5 turn-on level
2
Switching node – chipset 1.05 V rail
tOnmin
Minimum on-time
180
ns
RDSon,HS
High side PMOS Ron
100
160
m
Ω
RDSon,LS
Low side NMOS Ron
70
110
IINLEAK
VIN_1S05 leakage current
VAVCC = VVCC = +5 V, all
EN_1S05 low
VIN =
+5 V
1
μA
VIN =
+3.3 V
1
Peak current limit
RCSNS = 50 kΩ
5.1
A
Soft end section – chipset 1.05 V rail
Discharge resistance
25
Ω
Table 6.
Electrical characteristics (continued)
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