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參數(shù)資料
| 型號： | TPS2376DDAR-H |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 電源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封裝： | GREEN, PLASTIC, POWER PAD, SOIC-8 |
| 文件頁數(shù)： | 18/23頁 |
| 文件大小： | 640K |
| 代理商： | TPS2376DDAR-H |
www.ti.com
DEVICE INFORMATION
10-V
Regulator
Thermalshutdown
50mW
3
2
11.3V
and9.5V
1.5V
and 10V
-
+
RTN
36mV
CLASS
DET
Current
Limit Amp.
EN
Delay
150 S
m
5
6
PG
1 =Limiting
PGComparator
Detection
Comparator
Classification
Comparator
0
1
800 W
2.5V
1:1
Current
Mirror
1
ILIM
4
VSS
7
UVLO
-
+
Q
S
R
2.49V
and1.93V
UVLO
Comp.
1 =Inrush
21.9V
and21.1V
VDD
8
SLVS646A – SEPTEMBER 2006 – REVISED SEPTEMBER 2006
ELECTRICAL CHARACTERISTICS (continued)
V
(VDD) = 48 V, R(DET) = 24.9 k, R(CLASS) = 255 , R(ILIM) = 287 k, and –40°C ≤ TJ ≤ 125°C, unless otherwise noted. Positive
currents are into pins. Typical values are at 25
°C. All voltages are with respect to VSS unless otherwise noted.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
PG
Voltage threshold rising (3)
V(RTN) rising
9.5
10
10.5
V
PG deglitch
Delay rising and falling PG
75
150
225
s
I(PG) = 2 mA, V(RTN) = 34 V,
0.12
0.4
V
V(VDD) = 38 V, V(RTN) falling
Output low voltage
I(PG) = 2 mA, V(RTN) = 0 V, V(VDD) = 25 V
0.12
0.4
V
Leakage current
V(PG) = 57 V, V(RTN) = 0 V
0.1
1
A
UVLO
V(UVLO_R)
V(UVLO) rising
2.43
2.49
2.57
V(UVLO_F)
Voltage at UVLO - TPS2376-H
V(UVLO) falling
1.87
1.93
1.98
V
Hysteresis
0.53
0.56
0.58
THERMAL SHUTDOWN
Shutdown temperature
Temperature rising
135
°C
Hysteresis
20
°C
BIAS CURRENT
Operating current
I(VDD)
240
450
A
(3)
Start with V(RTN) = 0 V, then increase V(RTN) until PG switches. Measure before thermal shutdown occurs.
FUNCTIONAL BLOCK DIAGRAM
4
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