参数资料
| 型号： | MIC37153YME TR |
| 厂商： | Micrel Inc |
| 文件页数： | 1/13页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO ADJ 1.5A 8SOIC |
| 标准包装： | 2,500 |
| 稳压器拓扑结构： | 正，可调式 |
| 输出电压： | 1.24 V ~ 5.5 V |
| 输入电压： | 2.25 V ~ 6 V |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1.5A（最小） |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm Width）裸露焊盘 |
| 供应商设备封装： | 8-SOIC-EP |
| 包装： | 带卷 (TR) |
MIC37150/51/52/53
1.5A, Low Voltage μCap LDO Regulator
General Description
The Micrel MIC37150/51/52/53 is a 1.5A low-dropout
linear voltage regulator that provides a low voltage, high
current output with a minimum of external components. It
offers high precision, ultra-low dropout (500mV over
temperature), and low ground current.
The MIC37150/51/52/53 operates from an input of 2.25V
to 6.0V. It is designed to drive digital circuits requiring low
voltage at high currents (i.e., PLDs, DSPs, micro-
controllers, etc.). It is available in ? xed and adjustable
output voltages. Fixed voltages include 1.5V, 1.65V, 1.8V,
2.5V and 3.3V. The adjustable version is capable of
supplying output voltages from 1.24V to 5.5V.
Features of the MIC37150/51/52/53 LDO include thermal
and current limit protection, and reverse current and
reverse battery protection. Logic enable and error ? ag pins
are available.
Junction temperature range of the MIC37150/51/52/53 is
from –40°C to +125°C.
For applications requiring input voltage greater than 6.0V,
see MIC3910x, MIC3915x, MIC3930x, and MIC3950x
LDOs.
Data sheets and support documentation can be found on
Micrel’s web site at www.micrel.com.
Features
? 1.5A minimum guaranteed output current
? 500mV maximum dropout voltage over temperature
– Ideal for 3.0V to 2.5V conversion
– Ideal for 2.5V to 1.8V, 1.65V, or 1.5V conversion
? Stable with ceramic or tantalum capacitor
? Wide input voltage range
– VIN: 2.25V to 6.0V
? ±1.0% initial output tolerance
? Fixed and adjustable output voltages
– MIC37150—3-pin ? xed voltages
– MIC37151—5-pin S-Pak or 8-pin e-Pad SOIC
? xed voltages with flag
– MIC37152—5-pin adjustable voltage
– MIC37153—8-pin adjustable voltage with flag
? Excellent line and load regulation speci ? cations
? Logic controlled shutdown
? Thermal shutdown and current limit protection
? Reverse-leakage protection
? Low pro ? le 3 or 5-pin S-Pak packages or 8-pin e-Pad
SOIC
Applications
Typical Application
?
?
?
?
?
LDO linear regulator for low-voltage digital IC
PC add-in cards
High efficiency linear power supplies
SMPS post regulator
Battery charger
V IN = 3.0V
MIC37151
VIN VOUT
V OUT = 2.5V
V IN
MIC37152
VIN VOUT
1.3V
C IN
VEN
FLG
100k
C OUT
47μF, Ceramic
C IN
VEN
ADJ
R1
C OUT
47μF, Ceramic
GND
GND
R2
Fixed 2.5V Regulator with Error Flag
Adjustable Regulator
Super ?eta PNP is a trademark of Micrel, Inc.
Micrel Inc. ? 2180 Fortune Drive ? San Jose, CA 95131 ? USA ? tel +1 ( 408 ) 944-0800 ? fax + 1 (408) 474-1000 ? http://www.micrel.com
October 2007
M9999-101907
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