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参数资料
| 型号： | MIC29202BU TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/12页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ .4A TO-263-5 |
| 标准包装： | 750 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 1.24 V ~ 26 V |
| 输入电压： | 2 V ~ 26 V |
| 电压 - 压降（标准）： | 0.4V @ 400mA |
| 稳压器数量： | 1 |
| 电流 - 输出： | 400mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-6，D²Pak（5 引线+接片），TO-263BA |
| 供应商设备封装： | TO-263-5 |
| 包装： | 带卷 (TR) |
| 其它名称： | MIC29202BUTR MIC29202BUTR-ND |
MIC2920A/29201/29202/29204
General Description
The MIC2920A family are “bulletproof,” ef?cient voltage regu-
lators with very low dropout voltage (typically 40mV at light
loads and 370mV at 250mA), and very low quiescent current
(140μA typical). The quiescent current of the MIC2920A in-
creases only slightly in dropout, prolonging battery life. Key
MIC2920A features include protection against reversed bat-
tery, fold-back current limiting, and automotive “load dump”
protection (60V positive transient).
The MIC2920 is available in several con?gurations. The
MIC2920A-x.x devices are three pin ?xed voltage regulators
available in 3.3V, 4.85V, 5V, and 12V outputs. The MIC29201
is a ?xed regulator offering a logic compatible ON/OFF (shut-
down) input and an error ?ag output. This ?ag may also be
used as a power-on reset signal. A logic-compatible shutdown
input is provided on the adjustable MIC29202 which allows
the regulator to be switched on and off. The MIC29204 8-pin
SOIC adjustable regulator includes both shutdown and error
?ag pins and may be pin-strapped for 5V output or programmed
from 1.24V to 26V using two external resistors.
Micrel, Inc.
MIC2920A/29201/29202/29204
400mA Low-Dropout Voltage Regulator
Features
? High output voltage accuracy
? Guaranteed 400mA output
? Low quiescent current
? Low dropout voltage
? Extremely tight load and line regulation
? Very low temperature coef?cient
? Current and thermal limiting
? Input withstands –20V reverse battery and
60V positive transients
? Error ?ag warns of output dropout
? Logic-controlled electronic shutdown
? Output programmable from 1.24V to 26V
(MIC29202/MIC29204)
? Available in TO-220-3, TO-220-5, and surface-mount
TO-263-5, SOT-223, and SO-8 packages.
Applications
? Battery-powered equipment
? Cellular telephones
? Laptop, notebook, and palmtop computers
? PCMCIA V CC and V PP regulation/switching
? Bar code scanners
? Automotive electronics
? SMPS post-regulators
? Voltage reference
? High-ef?ciency linear power supplies
Pin Con?guration
OUTPUT 1
SENSE 2
SHUTDOWN 3
8 INPUT
7 NC
6 NC
TAB
TAB
TAB
GROUND 4
5 ERROR
1
2
3
MIC29201-3.3BM (SOIC-8)
OUTPUT 1 8 INPUT
SENSE 2 7 A D JUST
INPUT OUTPUT
GROUND
MIC2920A-x.xBS
(SOT-223)
SHUTDOWN 3
GROUND 4
6 5V TAP
5 ERROR
TAB
MIC29201/29202BT
(TO-220-5)
MIC29204BM (SOIC-8)
5-Lead Package Pinouts
MIC29201 MIC29202
1) Error Adjust
2) Input Shutdown
3) Ground Ground
4) Output Input
5) Shutdown Output
1 2 3 1 2 3 4 5
IN OU T
GND
MIC2920A-xxBT
1 2 3 4 5 (TO-220)
MIC29201/29202BU
(TO-263-5)
Tab is Ground on SOT-223, TO-220, and TO-263 packages.
Micrel, Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel + 1 (408) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
February 2005
1
M9999-021505
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MIC29202WT | 功能描述:低压差稳压器 - LDO 400mA LDO Adj+Shutdown (ROHS Compliant) RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MIC29202WU | 功能描述:低压差稳压器 - LDO 400mA LDO Adj+Shutdown (ROHS Compliant) RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MIC29202WU TR | 功能描述:低压差稳压器 - LDO 400mA LDO Adj+Shutdown (ROHS Compliant) RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| MIC29203BU | 制造商:Rochester Electronics LLC 功能描述:- Bulk |
| MIC29203WU | 制造商:RF Micro Devices Inc 功能描述: |
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