參數(shù)資料
型號: SI9177
廠商: Vishay Intertechnology,Inc.
英文描述: 200-mA PSM Step Down Converter with Bypass Capability
中文描述: 200毫安掩模降壓轉(zhuǎn)換器與繞道能力
文件頁數(shù): 3/9頁
文件大?。?/td> 104K
代理商: SI9177
V
IN
L
X
ENABLE
GND
MSOP-10
V
IN
L
X
1
2
3
10
9
8
NC
REF
Top View
5
6
BP/PSM
F
B
4
7
2
3
4
5
10
9
8
7
6
Top View
MLP33
V
IN
V
IN
ENABLE
BP/PSM
NC
L
X
L
X
GND
F
B
REF
Si9177
Vishay Siliconix
New Product
Document Number: 70312
S-03663—Rev. B, 07-Apr-03
www.vishay.com
3
PIN CONFIGURATION
ORDERING INFORMATION
Part Number
Temperature Range
Package
Si9177BM TI
Si9177BM-TI
-25 C to 85 C
Tape and Reel
Si9177BH-TI
Eval Kit
Temperature Range
Board Type
Si9177DB
-25 C to 85 C
Surface Mount
PIN DESCRIPTION
Pin No.
Name
Function
1, 2
V
IN
Input voltage source for buck converter, MOSFET driver, and IC control circuits
.
3
4
5
6
7
8
ENABLE
BP/PSM
NC
REF
F
B
GND
Logic high enables the converter. Logic low shuts down the IC and decreases current consumed to <1 A.
Logic high = Bypass mode, logic low = PSM mode.
No Connection
1.215-V reference.
Direct output voltage sense feedback
IC ground
Inductor connection node
9, 10
L
X
TIMING WAVEFORMS
FIGURE 1.
Soft-Start Timing
V
OUT
t
DELAY
= Start-Up Delay Time
t
SS
V
IN
tDELAY
tSS
90%
10%
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
SI9177BH-T1 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 200mA PSM Converter w/Bypass Ability RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
SI9177BH-T1-E3 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 200mA PSM Converter w/Bypass Ability RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
SI9177BH-TI 制造商:VISHAY 制造商全稱:Vishay Siliconix 功能描述:200-mA PSM Step Down Converter with Bypass Capability
SI9177BM-T1 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 200mA PSM Converter w/Bypass Ability RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
SI9177BM-T1-E3 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 200mA PSM Converter w/Bypass Ability RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT