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MCP1703T-1802E/CB

Description
1.8 V FIXED POSITIVE LDO REGULATOR, PDSO3
CategoryPower/power management    The power supply circuit   
File Size415KB,32 Pages
ManufacturerMicrochip
Websitehttps://www.microchip.com
Environmental Compliance
Download Datasheet Download user manual Parametric View All

MCP1703T-1802E/CB Overview

1.8 V FIXED POSITIVE LDO REGULATOR, PDSO3

MCP1703T-1802E/CB Parametric

Parameter NameAttribute value
Is it lead-free?Lead free
Is it Rohs certified?conform to
MakerMicrochip
Parts packaging codeSOT-23A
package instructionLSSOP, TO-236
Contacts3
Reach Compliance Codecompliant
ECCN codeEAR99
Factory Lead Time14 weeks
Samacsys Confidence3
Samacsys StatusReleased
Samacsys PartID158922
Samacsys Pin Count3
Samacsys Part CategoryIntegrated Circuit
Samacsys Package CategorySOT23 (3-Pin)
Samacsys Footprint NameCB-SOT-23A
Samacsys Released Date2015-05-24 21:47:42
Is SamacsysN
AdjustabilityFIXED
Maximum absolute input voltage18 V
Maximum input voltage16 V
Minimum input voltage2.7 V
JESD-30 codeR-PDSO-G3
JESD-609 codee3
length2.9 mm
Maximum grid adjustment rate0.0718%
Maximum load regulation0.045%
Humidity sensitivity level1
Number of functions1
Output times1
Number of terminals3
Working temperatureTJ-Max125 °C
Working temperature TJ-Min-40 °C
Maximum output current 10.25 A
Maximum output voltage 11.854 V
Minimum output voltage 11.746 V
Nominal output voltage 11.8 V
Package body materialPLASTIC/EPOXY
encapsulated codeLSSOP
Encapsulate equivalent codeTO-236
Package shapeRECTANGULAR
Package formSMALL OUTLINE, LOW PROFILE, SHRINK PITCH
method of packingTAPE AND REEL
Peak Reflow Temperature (Celsius)260
Certification statusNot Qualified
Regulator typeFIXED POSITIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height1.45 mm
surface mountYES
technologyCMOS
Terminal surfaceMatte Tin (Sn) - annealed
Terminal formGULL WING
Terminal pitch0.95 mm
Terminal locationDUAL
Maximum time at peak reflow temperature40
Maximum voltage tolerance3%
width1.5 mm
Base Number Matches1
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 Drop Out 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.
©
2009 Microchip Technology Inc.
DS22049D-page 1
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