LP38690DT-5.0/NOPB National Semiconductor, LP38690DT-5.0/NOPB Datasheet

LP38690DT-5.0/NOPB

Manufacturer Part Number

LP38690DT-5.0/NOPB

Description

IC REG LDO 1A 5.0V TO-252

Manufacturer

National Semiconductor

Series

PowerWise®r

Type

Voltage Regulatorr

Datasheet

1.LP38690DT-5.0NOPB.pdf (5 pages)

Specifications of LP38690DT-5.0/NOPB

Regulator Topology

Positive Fixed

Voltage - Output

Voltage - Input

Up to 10V

Voltage - Dropout (typical)

0.45V @ 1A

Number Of Regulators

Current - Output

Operating Temperature

-40°C ~ 125°C

Mounting Type

Surface Mount

Package / Case

TO-252-2, DPak (2 Leads + Tab), TO-252AA, SC-63

Current, Output

1 A

Current, Supply

55 μA

Package Type

TO-252

Regulation, Line

0.03 %/V

Regulation, Load

1.8 %/A

Regulator Type

Linear, Low Dropout

Temperature, Operating, Range

-40 to +125 °C

Voltage, Dropout

450 mV

Voltage, Input

2.7 to 10 V

Voltage, Noise

0.7 μV/sqrt Hz

Voltage, Output

5 V

Voltage, Supply, Rejection Ratio

55 dB

Number Of Outputs

Polarity

Positive

Input Voltage Max

10 V

Output Voltage

5 V

Output Type

Fixed

Dropout Voltage (max)

0.1 V at 100 mA

Output Current

1 A

Line Regulation

0.03 %/V

Load Regulation

1.8 %/A

Voltage Regulation Accuracy

+/- 2.5 %

Maximum Operating Temperature

+ 125 C

Mounting Style

SMD/SMT

Minimum Operating Temperature

- 40 C

Primary Input Voltage

10V

Output Voltage Fixed

Dropout Voltage Vdo

450mV

No. Of Pins

Operating Temperature Range

-40Â°C To +125Â°C

Msl

MSL 2 - 1 Year

Filter Terminals

SMD

Rohs Compliant

Yes

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Current - Limit (min)

Lead Free Status / Rohs Status

RoHS Compliant part Electrostatic Device

Other names

*LP38690DT-5.0
*LP38690DT-5.0/NOPB
LP38690DT-5.0

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1A Low Dropout CMOS Linear Regulators

Stable with Ceramic Output Capacitors

General Description

The LP38690/2 low dropout CMOS linear regulators provide

tight output tolerance (2.5% typical), extremely low dropout

voltage (450mV @ 1A load current, V

AC performance utilizing ultra low ESR ceramic output ca-

pacitors.

The low thermal resistance of the LLP, SOT-223 and T0-252

packages allow the full operating current to be used even in

high ambient temperature environments.

The use of a PMOS power transistor means that no DC base

drive current is required to bias it allowing ground pin current

to remain below 100 µA regardless of load current, input volt-

age, or operating temperature.

Dropout Voltage: 450 mV (typ) @ 1A (typ. 5V out).

Ground Pin Current: 55 µA (typ) at full load.

Precision Output Voltage: 2.5% (25°C) accuracy.

Typical Application Circuits

Note: * Minimum value required for stability.

**LLP package devices only.

OUT

= 5V), and excellent

LP38690/LP38692

Features

■

Applications

■

2.5% output accuracy (25°C)

Low dropout voltage: 450mV @ 1A (typ, 5V out)

Wide input voltage range (2.7V to 10V)

Precision (trimmed) bandgap reference

Guaranteed specs for -40°C to +125°C

1µA off-state quiescent current

Thermal overload protection

Foldback current limiting

T0-252, SOT-223 and 6-Lead LLP packages

Enable pin (LP38692)

Hard Disk Drives

Notebook Computers

Battery Powered Devices

Portable Instrumentation

20126601

20126602

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LP38690DT-5.0/NOPB Summary of contents

Page 1

Low Dropout CMOS Linear Regulators Stable with Ceramic Output Capacitors General Description The LP38690/2 low dropout CMOS linear regulators provide tight output tolerance (2.5% typical), extremely low dropout voltage (450mV @ 1A load current, V OUT AC performance utilizing ...

Page 2

... L126B LP38692MP-1.8 LJPB LP38692MP-2.5 LJRB LP38692MP-3.3 LJSB LP38692MP-5.0 LJTB LP38690SDX-1.8 L113B LP38690SDX-2.5 L114B LP38690SDX-3.3 L115B LP38690SDX-5.0 L116B LP38690DTX-1.8 LP38690DT-1.8 LP38690DTX-2.5 LP38690DT-2.5 LP38690DTX-3.3 LP38690DT-3.3 LP38690DTX-5.0 LP38690DT-5.0 LP38692SDX-1.8 L123B LP38692SDX-2.5 L124B LP38692SDX-3.3 L125B LP38692SDX-5.0 L126B LP38692MPX-1.8 LJPB LP38692MPX-2.5 LJRB LP38692MPX-3.3 LJSB LP38692MPX-5.0 LJTB ...

Page 3

... Absolute Maximum Ratings If Military/Aerospace specified devices are required, please contact the National Semiconductor Sales Office/ Distributors for availability and specifications. Storage Temperature Range Lead Temp. (Soldering, 5 seconds) ESD Rating (Note 3) Power Dissipation (Note 2) Electrical Characteristics the full operating temperature range. Unless otherwise specified: V limits are guaranteed through testing, statistical correlation, or design ...

Page 4

Symbol Parameter e Output Noise n V (LEAK) Output Leakage Current O V Enable Voltage (LP38692 Only Enable Pin Leakage EN Note 1: Absolute maximum ratings indicate limits beyond which damage to the component may occur. Operating ratings ...

Page 5

Physical Dimensions inches (millimeters) unless otherwise noted 6-lead, LLP Package NS Package Number SDE06A TO-252 Package NS Package Number TD03B 14 ...

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