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參數(shù)資料
| 型號： | MIC39500 |
| 廠商： | Micrel Semiconductor,Inc. |
| 英文描述： | 5A Low-Voltage Low-Dropout Regulator(輸出電流5A 低電壓低壓差穩(wěn)壓器) |
| 中文描述： | 第5A低電壓低壓差穩(wěn)壓器（輸出電流5A條低電壓低壓差穩(wěn)壓器） |
| 文件頁數(shù)： | 1/11頁 |
| 文件大?。?/td> | 96K |
| 代理商： | MIC39500 |
February 2001
1
MIC39500/39501
MIC39500/39501
Micrel
Ordering Information
Part Number
MIC39500-2.5BT
MIC39500-2.5BU
MIC39501-2.5BT
MIC39501-2.5BU
MIC39500-1.8BT
MIC39500-1.8BU
MIC39501-1.8BT
MIC39501-1.8BU
Voltage
2.5V
2.5V
2.5V
2.5V
1.8V
1.8V
1.8V
1.8V
Junction Temp. Range
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
–40
°
C to +125
°
C
Package
3-lead TO-220
3-lead TO-263
5-lead TO-220
5-lead TO-263
3-lead TO-220
3-lead TO-263
5-lead TO-220
5-lead TO-263
MIC39500/39501
5A
μ
Cap Low-Voltage Low-Dropout Regulator
General Description
The MIC39500 and MIC39501 are 5A low-dropout linear
voltage regulators that provide a low-voltage, high-current
output with a minimum of external components. Utilizing
Micrel’s proprietary Super
β
eta PNP pass element, the
MIC39500/1 offers extremely low dropout (typically 400mV at
5A) and low ground current (typically 70mA at 5A).
The MIC39500/1 is ideal for PC Add-In cards that need to
convert from standard 2.5V or 3.3V, down to new, lower core
voltages. A guaranteed maximum dropout voltage of 500mV
over all operating conditions allows the MIC39500/1 to pro-
vide 2.5V from a supply as low as 3V or 1.8V from 2.5V. The
MIC39500/1 also has fast transient response, for heavy
switching applications. The device requires only 47
μ
F of
output capacitance to maintain stability and achieve fast
transient response
The MIC39500/1 is fully protected with overcurrent limiting,
thermal shutdown, reversed-battery protection, reversed-
lead insertion protection, and reversed-leakage protection.
The MIC39501 offers a TTL-logic-compatible enable pin and
an error flag that indicates undervoltage and overcurrent
conditions. Offered in a fixed voltages, 1.8V and 2.5V, the
MIC39500/1 comes in the TO-220 and TO-263 packages and
an ideal upgrade to older, NPN-based linear voltage regula-
tors.
For applications requiring input voltage
greater than 16V, see the
MIC29500/1/2/3 family.
Typical Application
IN
OUT
GND
V
3.3V
V
2.5V
1.0μF
47μF
MIC39500-2.5
MIC39500
Features
5A minimum guaranteed output current
400mV dropout voltage
Ideal for 3.0V to 2.5V conversion
Ideal for 2.5V to 1.8V conversion
1% initial accuracy
Low ground current
Current limiting and thermal shutdown
Reversed-battery and reversed-lead insertion protection
Reversed-leakage protection
Fast transient response
TO-263 and TO-220 packages
TTL/CMOS compatible enable pin (MIC39501 only)
Error flag output (MIC39501 only)
Ceramic capacitor stable (See Application Information)
Applications
Low Voltage Digital ICs
LDO linear regulator for PC add-in cards
High-efficiency linear power supplies
SMPS post regulator
Multimedia and PC processor supplies
Low-voltage microcontrollers
StrongARM
processor supply
StrongARM is a trademark of Advanced RISC Machines, Ltd.
MIC39501-2.5
FLG
OUT
ERROR
FLAG OUTPUT
47μF
EN
GND
IN
V
2.5V
1.0μF
Enable
Shutdown
V
3.3V
100K
MIC39501
Micrel, Inc. 1849 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 944-0970 http://www.micrel.com
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MIC39501 | 5A Low-Voltage Low-Dropout Regulator(輸出電流5A 低電壓低壓差穩(wěn)壓器) |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC39500_05 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:5A ??Cap Low-Voltage Low-Dropout Regulator |
| MIC39500-1.8BT | 功能描述:IC REG LDO 1.8V 5A TO220-3 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.8V 輸入電壓:最高 16V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.3V @ 80mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:80mA 電流 - 限制（最小）:- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC39500-1.8BU | 功能描述:IC REG LDO 1.8V 5A TO-263 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.8V 輸入電壓:最高 16V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.3V @ 80mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:80mA 電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC39500-1.8BU TR | 功能描述:IC REG LDO 1.8V 5A TO-263 RoHS:否 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - 線性 系列:- 標(biāo)準(zhǔn)包裝:3,000 系列:- 穩(wěn)壓器拓?fù)浣Y(jié)構(gòu):正，固定式 輸出電壓:3.8V 輸入電壓:最高 16V 電壓 - 壓降（標(biāo)準(zhǔn)）:0.3V @ 80mA 穩(wěn)壓器數(shù)量:1 電流 - 輸出:80mA 電流 - 限制（最?。?- 工作溫度:-40°C ~ 125°C 安裝類型:表面貼裝 封裝/外殼:SC-74A，SOT-753 供應(yīng)商設(shè)備封裝:SOT-23-5 包裝:帶卷 (TR) 其它名稱:MIC5203-3.8BM5TRMIC5203-3.8BM5TR-ND |
| MIC39500-1.8WT | 功能描述:低壓差穩(wěn)壓器 - LDO 5.0A 1.0% Fixed Voltage LDO(ROHS Compliant) RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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