參數資料
型號： LV51137T
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8
封裝： MSOP-8
文件頁數： 2/8頁
文件大?。?/td> 169K
代理商： LV51137T
LV51137T
No.A1150-2/8
Specifications
Absolute Maximum Ratings
at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Power supply voltage
VDD
-0.3 to +12
V
Input voltage
Charger minus voltage
V-
VDD-28 to VDD+0.3
V
Cout pin voltage
Vcout
VDD-28 to VDD+0.3
V
Output voltage
Dout pin voltage
Vdout
VSS-0.3 to VDD+0.3
V
Allowable power dissipation
Pd max
Independent IC
170
mW
Operating ambient temperature
Topr
-30 to +85
°C
Storage temperature
Tstg
-40 to +125
°C
Electrical Characteristics
at Ta = 25
°C, unless especially specified.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Operation input voltage
Vcell
Between VDD and VSS
1.5
10
V
0V cell charging minimum operation
voltage
Vmin
Between VDD-VSS =0 and VDD-V-
1.5
V
4.185
4.210
4.235
V
Over-charge detection voltage
Vd1
Ta = 0
°C to 45°C *2
4.175
4.210
4.245
V
VM
≤ Vd3
4.000
4.050
4.100
V
Over-charge reset voltage
Vh1
VM > Vd3
4.110
4.220
V
Over-charge detection delay time
td1
VDD-Vc=3.5V→4.5V, Vc-VSS=3.5V
0.5
1.0
1.5
s
Over-charge reset delay time
tr1
VDD-Vc=4.5V→3.5V, Vc-VSS=3.5V
20.0
40.0
60.0
ms
Over-discharge detection voltage
Vd2
2.20
2.30
2.40
V
Over-discharge reset hysteresis voltage
Vh2
10.0
20.0
40.0
mV
Over-discharge detection delay time
td2
VDD-Vc=3.5V→2.2V, Vc-VSS=3.5V
50
100
150
ms
Over-discharge reset delay time
tr2
VDD-Vc=2.2V→3.5V, Vc-VSS=3.5V
0.5
1.0
1.5
ms
Over-current detection voltage
Vd3
VDD-Vc=3.5V, Vc-VSS=3.5V
0.135
0.150
0.165
V
Over-current reset hysteresis voltage
Vh3
VDD-Vc=3.5V, Vc-VSS=3.5V
5.0
10.0
20.0
mV
Over-current detection delay time
td3
VDD-Vc=3.5V, Vc-VSS=3.5V
2.5
5.0
7.5
ms
Over-current reset delay time
tr3
VDD-Vc=3.5V, Vc-VSS=3.5V
0.5
1.0
1.5
ms
Short circuit detection voltage
Vd4
VDD-Vc=3.5V, Vc-VSS=3.5V
1.0
1.3
1.6
V
Short circuit detection delay time
td4
VDD-Vc=3.5V, Vc-VSS=3.5V
0.2
0.5
0.8
ms
Over-charger detection voltage
Vd5
Between VDD-Vc=3.5V, Vc-VSS=3.5V
(V-)-VSS
-0.275
-0.200
-0.125
V
Overcharge reset hysteresis voltage
Vh5
VDD-Vc=3.5V, Vc-VSS=3.5V
10.0
30.0
50.0
mV
Standby reset voltage
Vstb
Between VDD-Vc=2.0V, Vc-VSS=2.0V
(V-)-VSS
VDD×0.4
VDD×0.5
VDD×0.6
V
Excessively high voltage charger
detection delay time
td5
VDD-Vc=3.5V, Vc-VSS=3.5V
*1
0.5
1.5
3.0
ms
Excessively high voltage charger reset
delay time
tr5
VDD-Vc=3.5V, Vc-VSS=3.5V
0.5
1.5
3.0
ms
Reset resistance (connected to VDD)
RDD
100
200
400
k
Reset resistance (connected to VSS)
RSS
7.5
15
30
k
Cout Nch ON voltage
VOL1
IOL=50A, VDD-Vc=4.4V, Vc-VSS=4.4V
0.5
V
Cout Pch ON voltage
VOH1
IOL=50A, VDD-Vc=3.9V, Vc-VSS=3.9V
VDD-0.5
V
Dout Nch ON voltage
VOL2
IOL=50A, VDD-Vc=2.2V, Vc-VSS=2.2V
0.5
V
Dout Pch ON voltage
VOH2
IOL=50A, VDD-Vc=3.9V, Vc-VSS=3.9V
VDD-0.5
V
Vc input current
Ivc
VDD-Vc=3.5V, Vc-VSS=3.5V
0.0
1.0
A
Current drain
IDD
VDD-Vc=3.5V, Vc-VSS=3.5V
6.0
13.0
A
Standby current
Istb
VDD-Vc=2.2V, Vc-VSS=3.5V
0.2
A
T-terminal input ON voltage
Vtest
VDD-Vc=3.5V, Vc-VSS=3.5V
VDD×0.4
VDD×0.5
VDD×0.6
V
*1 : Upon connecting to charger upon over-discharge, the delay time after recovery from over-discharge.
*2 : The ratings in the temperature range of the table above are design target values and are not tested at the time of shipment.
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