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MCP1703AT-3302E

Description
250 mA, 16V, Low Quiescent Current LDO Regulator
File Size3MB,30 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
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MCP1703AT-3302E Overview

250 mA, 16V, Low Quiescent Current LDO Regulator

MCP1703A
250 mA, 16V, Low Quiescent Current LDO Regulator
Features:
Reduced Ground Current During Dropout
Faster Startup Time
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 MCP1703A is an improved version of the
MCP1703 low dropout (LDO) voltage regulator 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 MCP1703A 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 MCP1703A 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 MCP1703A 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
Package Types
2x3 DFN*
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
SOT-89
V
IN
SOT-223
SOT-23A
V
IN
3
Related Literature:
• AN765, “Using
Microchip’s Micropower LDOs”,
DS00765, Microchip Technology Inc., 2007
• AN766, “Pin-Compatible
CMOS Upgrades to
Bipolar LDOs”,
DS00766,
Microchip Technology Inc., 2003
• AN792, “A
Method to Determine How Much
Power a SOT23 Can Dissipate in an Application”,
DS00792, Microchip Technology Inc., 2001
1
2
3
1
2
3
GND V
IN
V
OUT
V
IN
GND V
OUT
* Includes Exposed Thermal Pad (EP); see
Table 3-1.
©
2012 Microchip Technology Inc.
DS25122A-page 1

MCP1703AT-3302E Related Products

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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
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