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参数资料
| 型号： | TPS2370D |
| 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, MS-012AA, SOIC-8 |
| 文件页数： | 10/17页 |
| 文件大小： | 426K |
| 代理商： | TPS2370D |
TPS2370
SLUS537C AUGUST 2002 REVISED MARCH 2004
www.ti.com
2
DESCRIPTION (CONTINUED)
During initial turnon of the switch (inrush mode), an external resistor is used to program the inrush current, allowing a wide
range of capacitor values to be used at the load. According to IEEE 802.3af specification, inrush current of 400 mA is
allowed only for 50 ms, limiting the load capacitor to approximately 180
F. A programmable inrush current limit removes
this limitation, allowing a larger capacitor to be used with a lower inrush current limit.
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam during
storage or handling to prevent electrostatic damage to the MOS gates.
ORDERING INFORMATION
TA
PACKAGE(1)
PART NUMBER
0
°C to 70°C
Plastic TSSOP (PW)
TPS2370PW
0
°C to 70°C
Plastic SOIC (D)
TPS2370D
(1)
The PW and D packages are also available taped and reeled. Add an R suffix to the device type (i.e., TPS2370PWR).
ABSOLUTE MAXIMUM RATINGS
Over operating free-air temperature range unless otherwise noted (2)
TPS2370
UNIT
ILIM
4
Input voltage range, wrt VEE
CLASS
12
V
Input voltage range, wrt VEE
DET, RTN, EN_DC, VDD
68
V
EN_DC (wrt RTN)
5
Operating junction temperature range, TJ
55 to 150
°C
Storage temperature, Tstg
65 to 150
°C
Lead temperature 1,6 mm (1/16 inch) from case for 10 seconds
300
°C
(2)
Stresses beyond those listed under “absolute maximum ratings” may cause permanent damage to the device. These are stress ratings only,
and functional operation of the device at these or any other conditions beyond those indicated under “recommended operating conditions” is not
implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.
RECOMMENDED OPERATING CONDITIONS
MIN
NOM
MAX
UNIT
Input voltage, VI
48
57
V
Operating junction temperature, TJ
0
70
°C
DISSIPATION RATINGS(3)(4)
PACKAGE
THERMAL IMPEDANCE
JUNCTION-TO-AMBIENT
TA < 25°C
POWER RATING
TA = 25°C
DERATING
FACTOR
TA = 70°C
POWER RATING
8-Pin Plastic TSSOP (PW)
258.5
°C/W
464 mW
3.9 mW/
°C
290 mW
8-Pin Plastic SOIC (D)
176.0
°C/W
682 mW
5.7 mW/
°C
426 mW
(3) Test board conditions:
1. 3” x 3”, 4 layers, thickness: 0.062”
2. 1.5 oz. copper traces located on the top of the PCB
3. 1.5 oz. copper ground plane on the bottom of the PCB
4. 0.5 oz. copper ground planes on the 2 internal layers
5. 12 thermal vias
(4) Maximum power dissipation may be limited by overcurrent protection.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS2370DG4 | 功能描述:热插拔功率分布 IEEE 802.3af Pwr Ifc Switch For PoE PD’s 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 |
| TPS2370DR | 功能描述:热插拔功率分布 IEEE 802.3af Pwr Ifc Switch For PoE PD’s 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 |
| TPS2370DRG4 | 功能描述:热插拔功率分布 IEEE 802.3af Pwr Ifc Switch For PoE PD’s 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 |
| TPS2370EVM | 制造商:Texas Instruments 功能描述:TPS2370EVM - Bulk |
| TPS2370PW | 功能描述:热插拔功率分布 IEEE 802.3af Pwr Ifc Switch For PoE PD’s 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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