LP2951ACDM-33RG datasheet, PDF

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LP2951ACDM-33RG: DescriptionLDO Voltage Regulators 3.3V 100mA Low Power w/Error Flag Output; Categorysemiconductor Power management; File Size190KB，22 Pages; ManufacturerON Semiconductor; Websitehttp://www.onsemi.cn

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LP2951ACDM-33RG Overview

LDO Voltage Regulators 3.3V 100mA Low Power w/Error Flag Output

LP2951ACDM-33RG Parametric

Parameter Name	Attribute value
Product Attribute	Attribute Value
Manufacturer	ON Semiconductor
Product Category	LDO Voltage Regulators
RoHS	Details
Mounting Style	SMD/SMT
Package / Case	Micro-8
Output Voltage	3.3 V
Output Current	100 mA
Number of Outputs	1 Output
Polarity	Positive
Input Voltage MAX	30 V
Output Type	Fixed
Minimum Operating Temperature	- 40 C
Maximum Operating Temperature	+ 125 C
Load Regulation	0.1 %
Dropout Voltage	0.03 V at 100 uA
Packaging	Reel
Height	0.95 mm (Max)
Length	3 mm
Width	3 mm
Dropout Voltage - Max	80 mV at 100 uA
Voltage Regulation Accuracy	0.5 %
Ib - Input Bias Current	75 uA
Line Regulation	0.1 %
Reference Voltage	1.25 V
Factory Pack Quantity	4000

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LP2950, LP2951, NCV2951

100 mA, Low Power Low

Dropout Voltage Regulator

The LP2950 and LP2951 are micropower voltage regulators that are

specifically designed to maintain proper regulation with an extremely

low input−to−output voltage differential. These devices feature a very

low quiescent bias current of 75

and are capable of supplying

output currents in excess of 100 mA. Internal current and thermal

limiting protection is provided.

The LP2951 has three additional features. The first is the Error

Output that can be used to signal external circuitry of an out of

regulation condition, or as a microprocessor power−on reset. The

second feature allows the output voltage to be preset to 5.0 V, 3.3 V or

3.0 V output (depending on the version) or programmed from 1.25 V

to 29 V. It consists of a pinned out resistor divider along with direct

access to the Error Amplifier feedback input. The third feature is

a Shutdown input that allows a logic level signal to turn−off or turn−on

the regulator output.

Due to the low input−to−output voltage differential and bias current

specifications, these devices are ideally suited for battery powered

computer, consumer, and industrial equipment where an extension of

useful battery life is desirable. The LP2950 is available in the three

pin case 29 and DPAK packages, and the LP2951 is available in the

eight pin dual−in−line, SOIC−8 and Micro8 surface mount packages.

The ‘A’ suffix devices feature an initial output voltage tolerance

0.5%.

Features

www.onsemi.com

TO−92

CASE 29

STRAIGHT LEAD

BULK PACK

BENT LEAD

TAPE & REEL

AMMO PACK

Pin: 1. Output

2. Ground

3. Input

1 2

DPAK

CASE 369C

PIN CONNECTIONS

Pin: 1. Input

2. Ground

3. Output

(Top View)

Heatsink surface (shown as terminal 4 in

case outline drawing) is connected to Pin 2.

SOIC−8

CASE 751

•

Low Quiescent Bias Current of 75

•

Low Input−to−Output Voltage Differential of 50 mV at 100

and

•

380 mV at 100 mA

5.0 V, 3.3 V or 3.0 V

0.5% Allows Use as a Regulator or Reference

Extremely Tight Line and Load Regulation

Requires Only a 1.0

Output Capacitor for Stability

Internal Current and Thermal Limiting

NCV Prefix for Automotive and Other Applications Requiring

Unique Site and Control Change Requirements; AEC−Q100

Qualified and PPAP Capable

These Devices are Pb−Free and RoHS Compliant

PDIP−8

CASE 626

Micro8E

CASE 846A

PIN CONNECTIONS

Output 1

Sense 2

Shutdown 3

GND 4

(Top View)

Input

Feedback

Tap

Error Output

LP2951 Additional Features

•

Error Output Signals an Out of Regulation Condition

•

Output Programmable from 1.25 V to 29 V

•

Logic Level Shutdown Input

(See Following Page for Device Information.)

ORDERING & MARKING INFORMATION

See detailed ordering and shipping information in the package

dimensions section on pages 14 and 15 of this data sheet.

See general marking information in the device marking

section on page 17 of this data sheet.

Semiconductor Components Industries, LLC, 1995

January, 2018 − Rev. 30

Publication Order Number:

LP2950/D

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