參數(shù)資料
型號: MIC5157BM
廠商: MICREL INC
元件分類: 模擬信號調(diào)理
英文描述: Super LDO⑩ Regulator Controller
中文描述: SPECIALTY ANALOG CIRCUIT, PDSO14
封裝: SOIC-14
文件頁數(shù): 3/13頁
文件大?。?/td> 271K
代理商: MIC5157BM
August 2005
11
MIC5156/5157/5158
MIC5156/5157/5158
Micrel, Inc.
GND
S
EA
MIC5158
G
EN
VIN
R1
R2
D
R3
R4
VDD
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
VDD
EN
GND
EA
1N4148
Uninterruptable
DC
D
S
D
G
S
G
MOSFET body diodes
shown for clarity
Off-line
Power Supply
AC
Line
Q1
Q2
40V max.
Figure 6. UPS Power Supply Concept
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MIC5157BM TR 功能描述:IC REG CTRLR SGL MULTI 14SOIC RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性晶體管驅(qū)動器 系列:- 產(chǎn)品培訓(xùn)模塊:More Information on LDOs 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:正,固定式 輸出數(shù):2 輸出電壓:2.8V,3.3V 電流 - 電源:12mA 輸入電壓:5 V ~ 22 V 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR)
MIC5157BN 功能描述:IC REG CTRLR SGL OUT 14-DIP RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性晶體管驅(qū)動器 系列:- 產(chǎn)品培訓(xùn)模塊:More Information on LDOs 標(biāo)準(zhǔn)包裝:2,500 系列:- 類型:正,固定式 輸出數(shù):2 輸出電壓:2.8V,3.3V 電流 - 電源:12mA 輸入電壓:5 V ~ 22 V 工作溫度:0°C ~ 70°C 封裝/外殼:16-SOIC(0.154",3.90mm 寬) 供應(yīng)商設(shè)備封裝:16-SOIC 包裝:帶卷 (TR)
MIC5157YM 功能描述:低壓差控制器 - LDO Super LDO Regulator-Selectable(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
MIC5157YM TR 功能描述:低壓差控制器 - LDO Super LDO Regulator-Selectable(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
MIC5157YN 功能描述:低壓差控制器 - LDO Super LDO Regulator-Selectable(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