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参数资料
| 型号： | TPS2377D-1 |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO8 |
| 封装： | GREEN, PLASTIC, SOIC-8 |
| 文件页数： | 20/25页 |
| 文件大小： | 623K |
| 代理商： | TPS2377D-1 |
data sheet
SLVS570A – MARCH 2005 – REVISED APRIL 2008 ......................................................................................................................................................... www.ti.com
ELECTRICAL CHARACTERISTICS (continued)
V(VDD) = 48 V, R(DET) = 24.9 k, R(CLASS) = 255 , R(ILIM) = 178 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(VDD) rising
38.4
39.3
40.4
V(UVLO_F)
TPS2375 Voltage at VDD
V(VDD) falling
29.6
30.5
31.5
V
Hysteresis
8.3
8.8
9.1
V(VDD) rising
34.1
35.1
36.0
TPS2377 Voltage at VDD
V(VDD) falling
29.7
30.5
31.4
V
Hysteresis
4.3
4.5
4.8
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.
4
Copyright 2005–2008, Texas Instruments Incorporated
Product Folder Link(s): TPS2375-1 TPS2377-1
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| TPS2377D-1G4 | 功能描述:热插拔功率分布 IEEE 802.3af PoE Pwr Device Cntrler RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
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| TPS2377DR-1 | 功能描述:热插拔功率分布 IEEE 802.3af PoE Pwr Device Cntrler RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
| TPS2377DR-1G4 | 功能描述:热插拔功率分布 IEEE 802.3af PoE Pwr Device Cntrler RoHS:否 制造商:Texas Instruments 产品:Controllers & Switches 电流限制: 电源电压-最大:7 V 电源电压-最小:- 0.3 V 工作温度范围: 功率耗散: 安装风格:SMD/SMT 封装 / 箱体:MSOP-8 封装:Tube |
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