MIC37301-1.5WR Micrel Inc, MIC37301-1.5WR Datasheet

IC,VOLT REGULATOR,FIXED,+1.5V,BIPOLAR,SIP,5PIN,PLASTIC

MIC37301-1.5WR

Manufacturer Part Number

MIC37301-1.5WR

Description

IC,VOLT REGULATOR,FIXED,+1.5V,BIPOLAR,SIP,5PIN,PLASTIC

Manufacturer

Micrel Inc

Datasheet

1.MIC37302WR_TR.pdf (13 pages)

Specifications of MIC37301-1.5WR

Rohs Compliant

YES

Regulator Topology

Positive Fixed

Voltage - Output

1.5V

Voltage - Input

2.25 ~ 6 V

Number Of Regulators

Current - Output

3A (Min)

Operating Temperature

-40°C ~ 125°C

Mounting Type

Surface Mount

Package / Case

SPAK-5

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Voltage - Dropout (typical)

Current - Limit (min)

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Other names

576-1166

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Bonase Electronics (HK) Co., Limited

Part Number:

MIC37301-1.5WR

Manufacturer:

MIC

Quantity:

350

Current page: 1 of 13
Download datasheet (258Kb)

General Description

The Micrel MIC37300/01/02/03 is a 3.0A low-dropout

linear voltage regulator that provides a low-voltage,

high-current output with a minimum number of external

components. It offers high precision, ultra-low-dropout

(500mV overtemperature), and low-ground current.

The MIC37300/01/02/03 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, DSP,

microcontroller, etc.). It is available in ﬁxed and

adjustable output voltages. Fixed voltages include 1.5V,

1.8V, 2.5V and 3.3V. The adjustable version is capable

of 1.24V to 5.5V.

Features of the MIC37300/01/02/03 LDO include

thermal and current-limit protection, and reverse-current

protection. Logic enable and error ﬂag pins are available

on the 5-pin version.

Junction temperature range of the MIC37300/01/02/03

is from–40°C to +125°C.

For applications requiring input voltage greater than

6.0V, see the MIC3910x, MIC3915x, MIC3930x, and

MIC3950x LDOs.

Data sheets and support documentation can be found

on Micrel’s web site at www.micrel.com.

Typical Application

October 2009

Super ßeta PNP is a registered trademarks 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

= 3.0V

VIN

Fixed 2.5V Regulator

MIC37300

GND

VOUT

47µF, Ceramic

OUT

= 2.5V

Features

• 3.0A minimum guaranteed output current

• 500mV maximum dropout-voltage overtemperature

• Stable with ceramic or tantalum capacitor

• Wide input voltage range

• +1.0% initial output tolerance

• Fixed and adjustable output voltages:

• Excellent line and load regulation speciﬁcations

• Thermal shutdown and current-limit protection

• Reverse-leakage protection

• Low proﬁle S-Pak package

Applications

• LDO linear regulator for low-voltage digital IC

• PC add-in cards

• High-efﬁciency linear power supplies

• SMPS post regulator

• Battery charger

3.0A, Low-Voltage µCap LDO Regulator

–

Ideal for 3.0V to 2.5V conversion

Ideal for 2.5V to 1.8V, 1.65V, or 1.5V conversion

VIN: 2.25V to 6.0V

MIC37300—3-pin ﬁxed voltages

MIC37301—5-pin S-Pak or 8-pin e-Pad SOIC

ﬁxed voltages with ﬂag

MIC37302—5-pin adjustable voltage

MIC37303—8-pin e-Pad SOIC adjustable

voltage with flag

MIC37300/01/02/03

VIN

VEN

MIC37302

Adjustable Regulator

GND

VOUT

ADJ

M9999-102909

1.3V

47µF, Ceramic

OUT

Related parts for MIC37301-1.5WR

MIC37301-1.5WR Summary of contents

Page 1

... VIN: 2.25V to 6.0V • +1.0% initial output tolerance • Fixed and adjustable output voltages: – MIC37300—3-pin ﬁxed voltages – MIC37301—5-pin S-Pak or 8-pin e-Pad SOIC ﬁxed voltages with ﬂag – MIC37302—5-pin adjustable voltage – MIC37303—8-pin e-Pad SOIC adjustable voltage with flag • ...

Page 2

... Ordering Information Part number Standard RoHS Compliant* / MIC37300-1.5BR MIC37300-1.5WR* MIC37300-1.65BR MIC37300-1.65WR* MIC37300-1.8BR MIC37300-1.8WR* MIC37300-2.5BR MIC37300-2.5WR* MIC37300-3.3BR MIC37300-3.3WR* MIC37301-1.5YME MIC37301-1.5BR MIC37301-1.5WR* MIC37301-1.8YME MIC37301-1.8BR MIC37301-1.8WR* MIC37301-2.5YME MIC37301-2.5BR MIC37301-2.5WR* MIC37301-3.3BR MIC37301-3.3WR* MIC37302BR MIC37302WR* MIC37302BU MIC37302WU* MIC37303YME * RoHS compliant with ‘high-melting solder’ exemption. October 2009 ...

Page 3

Micrel, Inc. Pin Configuration S-PAK-5 (R) TO-263-5 (U) Pin Description Pin Number Pin Number S-PAK-5 S-PAK-3 e-Pad SOIC-8 TO-263-5 1 — (Fixed) — 5 (Adj.) — October 2009 5 FLG/ADJ 4 VOUT 3 ...

Page 4

Absolute Maximum Ratings Supply Voltage (V ) ............................................. 6.5V IN (3) Enable Input Voltage (V ) ................................ 6.5V EN (3) Power Dissipation (P ) .................. Internally Limited D Junction Temperature (T ).......... –40°C ≤ Storage Temperature (T ) ...

Page 5

Notes: 1. Exceeding the absolute maximum rating may damage the device. 2. The device is not guaranteed to function outside its operating rating θ , where θ – T D(max) J(max ...

Page 6

Typical Characteristics Power Supply Rejection Ratio 2. 1.5V OUT OUT C = 47µF OUT 0.01 0 100 ...

Page 7

Typical Characteristics (continued) Ground Current vs. Supply Voltage (3.3V) 1.4 1.2 1 0.8 100mA 0.6 0.4 0.2 10mA SUPPLY VOLTAGE (V) Ground Current vs. Temperature 2.5V OUT ...

Page 8

Functional Characteristics Load Transient Response 2.5V OUT C = 47µF Ceramic OUT TIME (400µs/di v.) October 2009 C 3A 10mA Enable Transient Response OUT 47µF ...

Page 9

Applications Information Enable/Shutdown The MIC37300/01/02/ high-performance low- dropout voltage regulator suitable for moderate to high-current regulator applications. Its 500mV dropout voltage at full load and over-temperature makes it especially valuable in battery-powered systems and as high-efﬁciency noise ﬁlters ...

Page 10

... The ﬂag is inoperative during overtemperature shutdown. October 2009 Enable Input The MIC37301/02/03 also features an enable input for excellent transient on/off control of the device. Its shutdown state draws “zero” current (only microamperes of leakage). The enable input is TTL/CMOS compatible for simple logic interface, but can be connected up to VIN ...

Page 11

Package Information 4 θ October 2009 1 θ 2 θ 1 θ 1 θ 3 θ 2 θ 3 θ 4 θ 5-Pin TO-263-5 (U) 5-Pin S-PAK (R) 11 M9999-102909 ...

Page 12

October 2009 3-Pin S-PAK (R) 8-Pin SOIC (ME) 12 M9999-102909 ...

Page 13

MICREL, INC. 2180 FORTUNE DRIVE SAN JOSE, CA 95131 USA TEL +1 (408) 944-0800 FAX +1 (408) 474-1000 WEB http:/www.micrel.com The information furnished by Micrel in this data sheet is believed to be accurate and reliable. However, no responsibility is ...

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