参数资料
型号: PM6681ATR
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: 0.4 A DUAL SWITCHING CONTROLLER, QCC32
封装: 5 X 5 MM, 1 MM HEIGHT, 0.50 MM PITCH, ROHS COMPLIANT, VFQFPN-32
文件页数: 2/47页
文件大小: 2762K
代理商: PM6681ATR
Electrical characteristics
PM6681A
10/47
5
Electrical characteristics
Table 6.
Electrical characteristics
(VIN = 24 V; TJ = 25 °C, unless otherwise specified)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
Supply section
VV5SW
Turn-on voltage threshold
4.8
4.9
V
Turn-off voltage threshold
4.6
4.75
V
Hysteresis
20
50
mV
RDS(on)
LDO5 internal bootstrap
switch resistance
V5SW > 4.9 V
1.8
3
OUTx, OUTx
discharge-mode
On-resistance
18
25
OUTx, OUTx
discharge-mode
Synchronous rectifier
turn-on level
0.20.350.6
V
Pin
Operating power
consumption
FBx > VREF, Vref in regulation,
V5WS to 5 V
4mW
Ish
Operating current sunk by
VIN
SHDN connected to GND
20
30
A
Isb
Operating current sunk by
VIN
ENx to GND, V5SW to GND
250
380
A
Shutdown section
VSHDN
Device on threshold
1.2
1.5
1.7
V
Device off threshold
0.8
0.85
0.9
V
soft-start section
soft-start ramp time
2
3.5
ms
Current limit and zero crossing comparator
ICSENSE
Input bias current limit (1)
90
100
110
A
Comparator offset
VCSENSE - VPGND
-6
6
mV
Zero crossing comparator
offset
VPGND - VPHASE
-1
11
mV
Fixed negative current limit
threshold
VPGND - VPHASE
-120
mV
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