MIC5271-3.0BM5 datasheet, PDF - EEWORLD Datasheet

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MIC5271-3.0BM5: Description3 V FIXED NEGATIVE LDO REGULATOR, 0.9 V DROPOUT, PDSO5; CategoryPower/power management The power supply circuit; File Size1MB，20 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com

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MIC5271-3.0BM5 Overview

3 V FIXED NEGATIVE LDO REGULATOR, 0.9 V DROPOUT, PDSO5

MIC5271-3.0BM5 Parametric

Parameter Name	Attribute value
Is it Rohs certified?	incompatible
Maker	Microchip
Parts packaging code	SOT-23
package instruction	LSSOP, TSOP5/6,.11,37
Contacts	5
Reach Compliance Code	compli
ECCN code	EAR99
Adjustability	FIXED
Maximum drop-back voltage 1	0.9 V
Nominal dropback voltage 1	0.5 V
Maximum absolute input voltage	20 V
Maximum input voltage	16 V
Minimum input voltage	3.3 V
JESD-30 code	R-PDSO-G5
JESD-609 code	e0
length	2.91 mm
Maximum grid adjustment rate	0.072%
Maximum load regulation	0.06%
Humidity sensitivity level	1
Number of functions	1
Output times	1
Number of terminals	5
Working temperatureTJ-Max	125 °C
Operating temperatureTJ-Mi	-40 °C
Maximum output current 1	0.1 A
Maximum output voltage 1	3.09 V
Minimum output voltage 1	2.91 V
Nominal output voltage 1	3 V
Package body material	PLASTIC/EPOXY
encapsulated code	LSSOP
Encapsulate equivalent code	TSOP5/6,.11,37
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	240
Certification status	Not Qualified
Regulator type	FIXED NEGATIVE SINGLE OUTPUT LDO REGULATOR
Maximum seat height	1.45 mm
surface mount	YES
technology	BIPOLAR
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
Maximum voltage tolerance	3%
width	1.625 mm

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MIC5271

µCap Negative Low Dropout Regulator

Features

• Stable with Ceramic or Tantalum Capacitors

• Standard Fixed Output Voltage Options: 3.0V and

5.0V

• Adjustable Output Voltage Option: (–1.2V to

–14V)

• Positive and Negative Enable Thresholds

• Low Dropout Voltage: –500 mV @ –100 mA

• Low Ground Current: –25 µA @ Load = –100 µA

• Tight Initial Accuracy: ±2%

• Tight Load and Line Regulation

• Thermal Shutdown and Current-Limit Protection

• IttyBitty 5-Pin SOT23 Packaging

• Zero-Current Off Mode

General Description

The MIC5271 is a µCap 100 mA negative regulator in

a SOT23-5 package. With better than 2% initial

accuracy, this regulator provides a very accurate

supply voltage for applications that require a negative

rail. The MIC5271 sinks 100 mA of output current at

very low dropout voltage (500 mV typical, 700 mV

maximum at 100 mA of output current).

The µCap regulator design is optimized to work with

low-value, low-cost ceramic capacitors. The output

typically requires only a 1 µF capacitance for stability.

Designed for applications where small packaging and

efficiency are critical, the MIC5271 combines LDO

design expertise with IttyBitty packaging to improve

performance and reduce power dissipation. Ground

current is optimized to help improve battery life in

portable applications. The MIC5271 also includes a

TTL-compatible enable pin, allowing the user to put the

part into a zero-current off mode, in which the ground

current is only ±1 µA, typical.

The MIC5271 is available in the 5-pin SOT23 package

for space saving applications and it is available with an

adjustable output.

Applications

•

GaAsFET Bias

Portable Cameras and Video Recorders

PDAs

Battery-Powered Equipment

Post-Regulation of DC/DC Converters

Package Types

MIC5271YM5

5-Lead SOT23 (M5)

Adjustable Output Voltage

(Top View)

MIC5271-5.0YM5 *

5-Lead SOT23 (M5)

Fixed Output Voltage

(Top View)

ADJ GND EN

L9AA

–OUT

–IN

NC GND EN

L950

–OUT

–IN

* 5.0V pinout shown. 3.0V version is identical.

Please see pin descriptions in

Table 3-1.



2017 Microchip Technology Inc.

DS20005881A-page 1

MIC5271-3.0BM5 Related Products

	MIC5271-3.0BM5	MIC5271	MIC5271-5.0BM5	MIC5271BM5	MIC5271-3.0BM5-TR	MIC5271-5.0BM5-TR	MIC5271BM5-TR
Description	3 V FIXED NEGATIVE LDO REGULATOR, 0.9 V DROPOUT, PDSO5	3 V FIXED NEGATIVE LDO REGULATOR, 0.9 V DROPOUT, PDSO5	5 V FIXED NEGATIVE LDO REGULATOR, 0.9 V DROPOUT, PDSO5	1.2 V-14 V ADJUSTABLE NEGATIVE LDO REGULATOR, 0.9 V DROPOUT, PDSO5	IC REG LINEAR -3V 100MA SOT23-5	IC REG LINEAR -5V 100MA SOT23-5	IC REG LIN NEG ADJ 100MA SOT23-5
Number of functions	1	1	1	1	-	-	-
Number of terminals	5	5	5	5	-	-	-
surface mount	YES	Yes	YES	YES	-	-	-
Terminal form	GULL WING	GULL WING	GULL WING	GULL WING	-	-	-
Terminal location	DUAL	pair	DUAL	DUAL	-	-	-

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