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參數(shù)資料
| 型號： | SMP402SC |
| 廠商： | POWER INTEGRATIONS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 20-72 VDC Input Non-isolated DC Output |
| 中文描述： | 0.25 A SWITCHING REGULATOR, 500 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | PLASTIC, SOIC-16 |
| 文件頁數(shù)： | 1/16頁 |
| 文件大?。?/td> | 120K |
| 代理商： | SMP402SC |
SMP402
1-Watt Buck Regulator IC
20-72 VDC Input
Non-isolated DC Output
Product Highlights
Integrated Power Switch and CMOS Controller
Output power > 1 W from 48 VDC input
Adjustable output voltage
Integrated solution minimizes overall size
High-voltage, Low-capacitance MOSFET Output
Designed for ISDN T1 telecommunications applications
Low capacitance allows for high frequency operation
High-voltage Buck Regulator
Internal pre-regulator self-powers the IC on start-up
Designed for low power consumption
Minimum external parts required
Built-In Self-protection Circuits
Undervoltage lockout
Thermal shutdown
Input polarity/level sense
Description
The SMP402, intended for non-isolated ISDN
telecommunications power supply applications, combines a
high voltage power MOSFET switch with a switchmode power
system controller in a monolithic integrated circuit. Few
external components are required to implement a low cost
power supply which meets stringent ISDN specifications. High
frequency operation reduces total power supply size.
The P-channel power MOSFET switch features include high
voltage, low R
, and low capacitance. Lower capacitance
results in a reduction in gate drive power, and also facilitates
higher frequency operation.
The controller section of the SMP402 contains all the blocks
required to drive and control the power stage: start-up pre-
regulator circuit, oscillator, bandgap reference, error amplifier,
gate driver and level shift. Protection features include
undervoltage lockout, thermal shutdown, and input polarity
and level sensing.
The SMP402 is available in a 16-pin plastic SOIC package.
Figure 1. Typical Application.
ORDERING INFORMATION
PART
NUMBER
PACKAGE
OUTLINE
T
RANGE
SMP402SC
S16A
0 to 120
°
C
PI-555A-123091
48 VDC
5 VDC
+
-
+
-
SMP402
Figure 2. Pin Configuration.
OUT
POLARITY
LEVEL
PI-553B-012892
VS
EA IN
EA OUT
VBIAS
CEXT
VIN
VLS
ENABLE
D GND
A GND
SENSE+
SENSE -
REXT
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
January 1996
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| SMP40N10 | 制造商:Vishay Intertechnologies 功能描述:TO220 NCH MOS 100V 0.04R |
| SMP-44LCC2-N | 功能描述:IC 與器件插座 44P SMT SLIM SOCKET NON POLARIZED RoHS:否 制造商:Molex 產(chǎn)品:LGA Sockets 節(jié)距:1.02 mm 排數(shù): 位置/觸點數(shù)量:2011 觸點電鍍:Gold 安裝風(fēng)格:SMD/SMT 端接類型:Solder 插座/封裝類型:LGA 2011 工作溫度范圍:- 40 C to + 100 C |
| SMP-44LCC2-N-TR | 功能描述:IC 與器件插座 44P SMT SLIM SOCKET NON POLARIZED T/R RoHS:否 制造商:Molex 產(chǎn)品:LGA Sockets 節(jié)距:1.02 mm 排數(shù): 位置/觸點數(shù)量:2011 觸點電鍍:Gold 安裝風(fēng)格:SMD/SMT 端接類型:Solder 插座/封裝類型:LGA 2011 工作溫度范圍:- 40 C to + 100 C |
| SMP-44LCC-N | 功能描述:IC 與器件插座 44P SMT SOCKET NON POLARIZED RoHS:否 制造商:Molex 產(chǎn)品:LGA Sockets 節(jié)距:1.02 mm 排數(shù): 位置/觸點數(shù)量:2011 觸點電鍍:Gold 安裝風(fēng)格:SMD/SMT 端接類型:Solder 插座/封裝類型:LGA 2011 工作溫度范圍:- 40 C to + 100 C |
| SMP-44LCC-N-TR | 功能描述:IC 與器件插座 44P SMT SOCKET NON POLARIZED T/R RoHS:否 制造商:Molex 產(chǎn)品:LGA Sockets 節(jié)距:1.02 mm 排數(shù): 位置/觸點數(shù)量:2011 觸點電鍍:Gold 安裝風(fēng)格:SMD/SMT 端接類型:Solder 插座/封裝類型:LGA 2011 工作溫度范圍:- 40 C to + 100 C |
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