參數(shù)資料
型號: STM1404ATNDQ6F
廠商: STMICROELECTRONICS
元件分類: 電源管理
英文描述: 1-CHANNEL POWER SUPPLY SUPPORT CKT, QCC16
封裝: 3 X 3 MM, ROHS COMPLIANT, QFN-16
文件頁數(shù): 20/35頁
文件大?。?/td> 366K
代理商: STM1404ATNDQ6F
STM1404
DC and AC parameters
VOHB
VOH battery backup
(Vccsw)
ISOURCE = 100 A
0.8VBAT
V
Pull-up supply voltage
(open drain)
RST, SAL, BLD, PFO
3.6
V
Power-fail comparator
VPFI
PFI input threshold
PFI falling (VCC < 3.6 V)
1.212
1.237
1.262
V
PFI hysteresis
PFI rising (VCC < 3.6 V)
10
20
mV
tPFD
PFI to PFO
propagation delay
2s
Battery switchover
VSO
Battery backup
switchover voltage (6)(7)
Power-
down
VBAT > VSW
VSW
V
VBAT < VSW
VBAT
V
Power-up
VBAT > VSW
VSW
V
VBAT < VSW
VBAT
V
VSW
2.4
V
Hysteresis
40
mV
Battery low voltage detect
VDET
Battery detect
threshold
On power-
up only
M
2.25
2.30
2.34
V
N
2.45
2.50
2.55
V
O
3.14
3.20
3.26
V
Voltage reference (option for STM1404A)(8)
VREF
Voltage reference (see
0°C to 85°C
1.212
1.237
1.262
V
–40° to 0°C
1.200
1.237
1.274
V
IREF+
Source current
0°C to 85°C
15
25
A
–40° to 0°C
10
15
A
IREF–
Sink current
10
13
A
Vn
Output voltage noise
f = 100 Hz to 100 kH
10-100
Vrms
Table 6.
DC and AC characteristics (continued)
Sym
Alter-
native
Description
Test condition(1)
Min
Typ
Max
Unit
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