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參數(shù)資料
| 型號(hào)： | PSB2120-T |
| 廠商： | SIEMENS A G |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | ISDN Remote Power Controller |
| 中文描述： | SWITCHING CONTROLLER, PDSO24 |
| 封裝： | PLASTIC, DSO-24 |
| 文件頁(yè)數(shù)： | 1/20頁(yè) |
| 文件大?。?/td> | 292K |
| 代理商： | PSB2120-T |
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The PSB 2120 is a Pulse Width Modulator (PWM) circuit designed for fixed-frequency switching
regulators especially for telephony and ISDN-environments.
The PSB 2120 is fully compatible with the CCITT-power recommendations on the “S”-interface.
Coupled with a few external components it can provide a stable 5 V DC-supply for subscriber
terminals (TE’s) or network terminators (NT’s). It can also be programmed for higher output
voltages, e.g. to supply the S-lines with 40 V.
In telephony and ISDN-systems a high conversion yield is crucial to maintain functionality in all
supply conditions via “S”- or “U”-interfaces. The PSB 2120 design and technology realizes high
conversion efficiency and low power dissipation.
It should be recognized that the PSB 2120 can also be used in numerous DC/DC-conversion
systems other than ISDN-power supplies.
Type
PSB 2120-P
Version
V B5
Ordering Code
Q67100-H8645
Package
P-DIP-22
PSB 2120-T
V B5
Q67100-H6278
P-DSO-24-1 (SMD)
ISDN Remote Power Controller
(IRPC)
CMOS IC
PSB 2120
P-DSO-24-1
P-DIP-22
Features
G
Switched mode DC/DC-converter
G
Switched mode DC/DC-converter
G
CCITT (I.430) ISDN compatible
G
Integrated 200 V power FET
(only PSB 2120-P in P-DIP-22)
G
Low power dissipation
G
Supply voltage range 10 V to 60 V
G
Input undervoltage detection
G
Programmable overcurrent protection
G
Soft start
G
Control circuit to achieve minimum start-up current
G
Power housekeeping input
G
Oscillator synchronization input/output
G
Polarity reversal detection
G
High voltage CMOS-technology 60 V
Semiconductor Group
3
12.92
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| PSB2121 | General-Purpose Power Controller |
| PSB2121-P | General-Purpose Power Controller |
| PSB2121-T | General-Purpose Power Controller |
| PSB2132 | Two Channel Codec Filter for Terminal Applications SICOFI2-TE |
| PSB2134 | Two Channel Codec Filter for Terminal Applications SICOFI2-TE |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PSB2121 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:General-Purpose Power Controller |
| PSB2121-P | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:General-Purpose Power Controller |
| PSB2121-T | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:General-Purpose Power Controller |
| PSB2132 | 制造商:INFINEON 制造商全稱:Infineon Technologies AG 功能描述:Two Channel Codec Filter for Terminal Applications SICOFI2-TE |
| PSB2132H | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:A-Law/u-Law CODEC |
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