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MCP1703T-2502E

Description
250 mA, 16V, Low Quiescent Current LDO Regulator
File Size604KB,32 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
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MCP1703T-2502E Overview

250 mA, 16V, Low Quiescent Current LDO Regulator

MCP1703
250 mA, 16V, Low Quiescent Current LDO Regulator
Features:
2.0 µA Typical Quiescent Current
Input Operating Voltage Range: 2.7V to16.0V
250 mA Output Current for Output Voltages
2.5V
200 mA Output Current for Output Voltages < 2.5V
Low Dropout Voltage, 625 mV typical @ 250 mA
for V
R
= 2.8V
0.4% Typical Output Voltage Tolerance
Standard Output Voltage Options:
- 1.2V, 1.5V, 1.8V, 2.5V, 2.8V, 3.0V, 3.3V, 4.0V,
5.0V
Output Voltage Range: 1.2V to 5.5V in 0.1V
Increments (50 mV increments available upon
request)
Stable with 1.0 µF to 22 µF Ceramic Output
Capacitance
Short-Circuit Protection
Overtemperature Protection
Description:
The MCP1703 is a family of CMOS low dropout (LDO)
voltage regulators that can deliver up to 250 mA of
current while consuming only 2.0 µA of quiescent
current (typical). The input operating range is specified
from 2.7V to 16.0V, making it an ideal choice for two to
six primary cell battery-powered applications, 9V
alkaline and one or two cell Li-Ion-powered
applications.
The MCP1703 is capable of delivering 250 mA with
only 625 mV (typical) of input to output voltage
differential (V
OUT
= 2.8V). The output voltage tolerance
of the MCP1703 is typically ±0.4% at +25°C and ±3%
maximum over the operating junction temperature
range of -40°C to +125°C. Line regulation is ±0.1%
typical at +25°C.
Output voltages available for the MCP1703 range from
1.2V to 5.5V. The LDO output is stable when using only
1 µF of output capacitance. Ceramic, tantalum, or
aluminum electrolytic capacitors can all be used for
input and output. Overcurrent limit and overtemperature
shutdown provide a robust solution for any application.
Package options include the SOT-223-3, SOT-23A,
2x3 DFN-8, and SOT-89-3.
Applications:
Battery-Powered Devices
Battery-Powered Alarm Circuits
Smoke Detectors
CO
2
Detectors
Pagers and Cellular Phones
Smart Battery Packs
Low Quiescent Current Voltage Reference
PDAs
Digital Cameras
Microcontroller Power
Solar-Powered Instruments
Consumer Products
Battery-Powered Data Loggers
Package Types
2x3 DFN-8 *
V
OUT
1
NC 2
NC 3
GND 4
EP
9
8 V
IN
7 NC
6 NC
5 NC
1
2
GND V
OUT
3-Pin SOT-23A
V
IN
3
3-Pin SOT-89
SOT-223-3
Related Literature:
• AN765, “Using
Microchip’s Micropower LDOs”,
DS00765, Microchip Technology Inc., 2002
• AN766, “Pin-Compatible
CMOS Upgrades to
Bipolar LDOs”,
DS00766,
Microchip Technology Inc., 2002
• AN792, “A
Method to Determine How Much
Power a SOT23 Can Dissipate in an Application”,
DS00792, Microchip Technology Inc., 2001
V
IN
1
2
3
1
V
IN
2
3
GND V
IN
V
OUT
GND V
OUT
* Includes Exposed Thermal Pad (EP); see
Table 3-1.
©
2011 Microchip Technology Inc.
DS22049F-page 1

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Description 250 mA, 16V, Low Quiescent Current LDO Regulator 250 mA, 16V, Low Quiescent Current LDO Regulator 250 mA, 16V, Low Quiescent Current LDO Regulator 250 mA, 16V, Low Quiescent Current LDO Regulator 250 mA, 16V, Low Quiescent Current LDO Regulator 250 mA, 16V, Low Quiescent Current LDO Regulator 250 mA, 16V, Low Quiescent Current LDO Regulator 250 mA, 16V, Low Quiescent Current LDO Regulator 250 mA, 16V, Low Quiescent Current LDO Regulator 250 mA, 16V, Low Quiescent Current LDO Regulator
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