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參數(shù)資料
| 型號： | MIC37100 |
| 廠商： | Micrel Semiconductor,Inc. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | 1A LOW VOLTAGE U CAP LDO REGULATOR |
| 中文描述： | 1A低壓電壓U第LDO穩(wěn)壓器 |
| 文件頁數(shù)： | 1/15頁 |
| 文件大?。?/td> | 163K |
| 代理商： | MIC37100 |
September 2004
1
M9999-091604
MIC37100/37101/37102
Micrel
MIC37100/37101/37102
1A Low-Voltage
μ
Cap LDO Regulator
General Description
The MIC37100, MIC37101, and MIC37102 are 1A low-
dropout, linear voltage regulators that provide low-voltage,
high-current output from an extremely small package. Utiliz-
ing Micrel’s proprietary Super
β
eta PNP pass element, the
MIC37100/01/02 offers extremely low dropout (typically
280mV at 1A) and low ground current (typically 11mA at 1A).
The MIC37100 is a fixed output regulator offered in the
SOT-223 package. The MIC37101 and MIC37102 are fixed
and adjustable regulators, respectively, in a thermally en-
hanced power 8-lead SOIC (small outline package) and the
SOT-223 package. The MIC37102 is also available in the S-
PAK power package, for applications that require higher
power dissipation or higher operating ambient temperatures.
The MIC37100/01/02 is ideal for PC add-in cards that need
to convert from standard 5V to 3.3V, 3.3V to 2.5V or 2.5V to
1.8V or lower. A guaranteed maximum dropout voltage of
500mV over all operating conditions allows the
MIC37100/01/02 to provide 2.5V from a supply as low as 3V
and 1.8V from a supply as low as 2.3V.
The MIC37100/01/02 is fully protected with overcurrent lim-
iting and thermal shutdown. Fixed output voltages of 1.5V,
1.65V, 1.8V, 2.5V and 3.3V are available on MIC37100/01
with adjustable output voltages to 1.24V on MIC37102.
For other voltages, contact Micrel.
All support documentation can be found on Micrel’s web
site at www.micrel.com.
Typical Applications
Features
Fixed and adjustable output voltages to 1.24V
μ
Cap Regulator, 10
μ
F ceramic output capacitor
stable
280mV typical dropout at 1A
Ideal for 3.0V to 2.5V conversion
Ideal for 2.5V to 1.8V, 1.65V or 1.5V conversion
1A minimum guaranteed output current
1% initial accuracy
Low ground current
Current limiting and thermal shutdown
Reversed-leakage protection
Fast transient response
Low-profile SOT-223 package
Power SO-8 package
S-PAK package (MIC37102 only)
Applications
LDO linear regulator for PC add-in cards
PowerPC power supplies
High-efficiency linear power supplies
SMPS post regulator
Multimedia and PC processor supplies
Battery chargers
Low-voltage microcontrollers and digital logic
Super
β
eta PNP is a registered trademark of Micrel, Inc.
PowerPC is a trademark of IBM Corporation.
Micrel, Inc. 1849 Fortune Drive San Jose, CA 95131 USA tel + 1 (408) 944-0800 fax + 1 (408) 474-1000 http://www.micrel.com
IN
2.5V
V
3.3V
10
μ
F
ceramic
OUT
GND
MIC37100
2.5V/1A Regulator
0
50
100
150
200
250
300
350
0
0.25
OUTPUT CURRENT (A)
0.5
0.75
1
D
Dropout
vs. Output Current
2.5V
OUT
3.3V
OUT
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| MIC37100-1.5BM | 1A LOW VOLTAGE U CAP LDO REGULATOR |
| MIC37100-1.5BS | 1A LOW VOLTAGE U CAP LDO REGULATOR |
| MIC37100-1.65BS | 1A LOW VOLTAGE U CAP LDO REGULATOR |
| MIC37100-1.8BS | 1A LOW VOLTAGE U CAP LDO REGULATOR |
| MIC37100-2.5BS | 1A LOW VOLTAGE U CAP LDO REGULATOR |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MIC37100_07 | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:1A Low-Voltage ??Cap LDO |
| MIC37100-1.5BM | 制造商:MICREL 制造商全稱:Micrel Semiconductor 功能描述:1A LOW VOLTAGE U CAP LDO REGULATOR |
| MIC37100-1.5BS | 功能描述:IC REG LDO 1.5V 1A SOT223 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)壓器拓撲結(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 |
| MIC37100-1.5BS TR | 功能描述:IC REG LDO 1.5V 1A SOT-223 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)壓器拓撲結(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 |
| MIC37100-1.5WS | 功能描述:低壓差穩(wěn)壓器 - LDO 1.0A Low Voltage uCap LDO Regulator in SOT223 Pkg(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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