參數(shù)資料
型號(hào): MIC5158BN
廠商: Micrel Inc
文件頁(yè)數(shù): 11/13頁(yè)
文件大?。?/td> 271K
描述: IC REG CTRLR SGL FIX/ADJ 14-DIP
標(biāo)準(zhǔn)包裝: 25
類型: 正,固定式或可調(diào)式
輸出數(shù): 1
輸出電壓: 5V,1.3 V ~ 36 V
電流 - 電源: 4.5mA
輸入電壓: 3 V ~ 36 V
工作溫度: -40°C ~ 85°C
封裝/外殼: 14-DIP(0.300",7.62mm)
供應(yīng)商設(shè)備封裝: 14-DIP
包裝: 管件
August 2005
11
MIC5156/5157/5158
MIC5156/5157/5158
Micrel, Inc.
GND
S
EA
MIC5158
G
EN
V
IN
R1
R2
D
R3    R4
V
DD
Figure 5. Battery Charger Concept
Uninterruptible Power Supply
The MIC5157 and two N-channel MOSFETs provide battery
switching for uninterruptible power as shown in gure (6).
Two MOSFETs are placed source-to-source to prevent cur-
rent ow through their body diodes when switched off. The
Super LDO regulator is continuously enabled to achieve
fast battery switch-in. Careful attention must be paid to the
ac-line monitoring circuitry to ensure that the output voltage
does not fall below design limits while the battery is being
switched in.
Line
Battery
S
G
MIC5158
D
V
DD
EN
GND
EA
1N4148
Uninterruptable
DC
D
S
D
G
S
G
MOSFET body diodes
shown for clarity
Off-line
Power Supply
AC
ine
Q1
Q2
40V max.
Figure 6. UPS Power Supply Concept
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MIC5158YN 功能描述:低壓差控制器 - LDO Super LDO Regulator-5 volt/adj -(Lead Free) RoHS:否 制造商:Micrel 最大輸入電壓:5.5 V 輸出電壓:Adjustable 輸出電流:10 mA 負(fù)載調(diào)節(jié): 輸出類型:Adjustable, Fixed 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:SOT-23-6