參數(shù)資料
型號(hào)： TPS3514DG4
廠商： TEXAS INSTRUMENTS INC
元件分類： 電源管理
英文描述： 3-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO14
封裝： GREEN, PLASTIC, SOIC-14
文件頁(yè)數(shù)： 12/17頁(yè)
文件大?。?/td> 585K
代理商： TPS3514DG4
www.ti.com
ELECTRICAL CHARACTERISTICS
SLVS422C – JUNE 2002 – REVISED DECEMBER 2006
Limits apply over operating free-air temperature range, T
A = –40°C to +85°C, unless otherwise noted.
TPS3514
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNIT
OVER-VOLTAGE AND OVER-CURRENT PROTECTION
Over-Voltage Threshold
VS33
3.7
3.9
4.1
V
VS5
5.7
6.1
6.5
V
VS12
13.2
13.8
14.4
V
Ratio of Current Sense Sink
Resistor at RI = 30k
, 0.1%
Current to Current Sense Setting
C
7.6
8
8.4
Resistor
Pin (RI) Source Current, I(REF)
Leakage Current (FPO)
Ilkg
V(FPO) = 5V
5
A
Low-Level Output Voltage (FPO)
VOL
I(SINK) = 20mA, VDD = 5V
0.7
V
Noise Deglitch Time (OVP)
VDD = 5V
35
73
110
s
Current Source Reference
V(RI)
VDD = 5V
1.1
1.15
1.2
V
Voltage
UNDER-VOLTAGE LOCKOUT
Start Threshold Voltage
4.45
V
Minimum Operating Voltage After Start-Up
3.65
V
PGI AND PGO
Input Threshold
VIT(PGI)
0.9 x typ
1.15
1.01 x typ
V
Under-Voltage Threshold
VS33
2
2.2
2.4
V
VS5
3.3
3.5
3.7
V
VS12
8.5
9
9.5
V
Input Offset Voltage for OCP Comparators
5
mV
Leakage Current (PGO)
llkg
PGO = 5V
5
A
Low-Level Output Voltage (PGO)
VOL
I(SINK) = 10mA, VDD = 4.5V
0.4
V
Short-Circuit Protection Delay
3.3V, 5V
49
75
114
ms
Delay Time
t(d)(1)
PGI to PGO
VDD = 5V
200
300
450
ms
PGI to FPO
VDD = 5V
3.2
4.8
7.2
ms
Noise Deglitch Time
PGI to PGO
VDD = 5V
88
150
225
s
12V UVP to FPO
VDD = 5V
88
150
225
s
PSON CONTROL
Input Pull-Up Current
II
PSON = 0V
–120
A
High-Level Input Voltage
VIH
2.4
V
Low-Level Input Voltage
VIL
1.2
V
Debounce Time (PSON)
t(b)
VDD = 5V
24
38
50
ms
Delay Time (PSON to FPO)
t(d)(2)
VDD = 5V
tb + 1.1
tb + 2.3
tb + 4
ms
TOTAL DEVICE
Supply Current
IDD
PSON = 5V
1
mA
4
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