LP5952TL-1.3EV National Semiconductor, LP5952TL-1.3EV Datasheet

LP5952TL-1.3EV

Manufacturer Part Number

LP5952TL-1.3EV

Description

BOARD EVALUATION LP5952TL-1.3

Manufacturer

National Semiconductor

Series

PowerWise®r

Datasheets

1.LP5952TL-1.2EV.pdf (6 pages)

2.LP5952TL-1.2EV.pdf (16 pages)

Specifications of LP5952TL-1.3EV

Channels Per Ic

1 - Single

Voltage - Output

1.3V

Current - Output

350mA

Voltage - Input

3 ~ 5.5V

Regulator Type

Positive Fixed

Operating Temperature

-40°C ~ 125°C

Board Type

Fully Populated

Utilized Ic / Part

LP5952

Lead Free Status / RoHS Status

Not applicable / Not applicable

Current page: 1 of 6
Download datasheet (2Mb)

LP5952 Evaluation Board

Introduction

This evaluation board is designed to enable independent

evaluation of the LP5952 electrical performance. Each board

is pre-assembled and tested in the factory.

The evaluation kits are available in four output voltage options

for

LP5952TL-1.3EV, LP5952TL-1.5EV and LP5952TL-1.8EV

and one output voltage option for the COL LLP package:

LP5952LC-1.5EV. For other voltage options, the device can

be ordered from LP5952 product folder on National's website.

The board contains the LP5952 and input and output capac-

itors connected to GND.

General Description

The LP5952 converts higher input voltages connected to the

power input voltage pin V

consuming low quiescent current. The bias input voltage

The LP5952 is capable of operating with input voltage ranges

from 0.7V

output voltage options from 0.5V to 2.0V. The LP5952 can

supply a maximum output current of 350mA and is particularly

suitable for portable, battery-powered systems. It also fea-

tures internal protection against short-circuit and over-tem-

perature conditions.

Schematic Diagram

BATT

the

supplies internal circuitry.

Evaluation Board Schematic (TL Package)

≤

micro

≤

4.5V and 2.5V

SMD

to lower output voltages while

package:

≤

BATT

202102

LP5952TL-1.2EV,

≤

5.5V for fixed

20210201

National Semiconductor

Application Note 1531

Klaus Scheitinger

April 3, 2008

The power input voltage applied between V

should be at least 0.2V above the output voltage and the bias

input voltage applied between V

least 1.5V above the output voltage (with a minimum of 2.5V)

to operate the device within operating conditions. Input con-

nections should be kept reasonably short (<20cm) to min-

imise input inductance and ensure optimum transient perfor-

mance.

ON/OFF control of the LP5952 is realized by a logic signal

applied to the EN pin. To simplify the enabling of the device,

a three pin jumper is provided on the evaluation board. The

middle pin is directly connected to the EN pin of the device.

A logic signal with a minimum of 1.0V to enable the device or

with a maximum of 0.4V to disable the device can be directly

connected to this jumper pin in the middle. Alternatively the

middle pin can be shorted to the pin next to it to the left or to

the right marked ON or OFF.

A load of up to 350mA maximum may be connected from the

At the bottom of the board the output voltage option (1.2V,

1.3V, 1.5V, or 1.8V) is printed.

The V

pin and can be used for more precise voltage measurements.

The schematic and board layout for both packages are shown

below:

OUT

pin to GND.

OUT_S

Evaluation Board Schematic (LC Package)

pin represents a sense path to the output voltage

BATT

and GND should be at

www.national.com

and GND

20210207

Related parts for LP5952TL-1.3EV

LP5952TL-1.3EV Summary of contents

Page 1

... SMD package: LP5952TL-1.3EV, LP5952TL-1.5EV and LP5952TL-1.8EV and one output voltage option for the COL LLP package: LP5952LC-1.5EV. For other voltage options, the device can be ordered from LP5952 product folder on National's website. The board contains the LP5952 and input and output capac- itors connected to GND ...

Page 2

... Evaluation Board Component and Pin Layout LP5952TL: TOP Side Board Size: 50mm x 60mm Connection Diagrams Connection Diagram 5-Bump Thin Micro SMD Package, Large Bump, 0.5mm Pitch www.national.com 20210202 Board Size: 50mm x 60mm 2 20210205 LP5952LC: TOP Side 20210203 ...

Page 3

... Mfg., Part Number 0 0402 / 0201 1 0402 / 0201 TDK, C1005X5R1A105K or Taiyo Yuden, LMK105BJ105KV-F 1 0603 / 0402 TDK, C1608X5R0J225K or Taiyo Yuden, JMK105BJ225MV-F 1 5-bump micro SMD: National Semiconductor, TLA05Z1A or LP5952TL-x.x or 6-pin COL LLP: LP5952LC-1.5 LCA06B 6 Cambion, 160-1026-02- 20210212 ≤ BATT using attached jumper BATT www.national.com ...

Page 4

Application Hints DUAL RAIL SUPPLY The LP5952 requires two different supply voltages: •V , the power input voltage, is regulated to the fixed output IN voltage •V , the bias input voltage, supplies internal circuitry. BATT It’s important that V ...

Page 5

Notes 5 www.national.com ...

Page 6

... For more National Semiconductor product information and proven design tools, visit the following Web sites at: Products Amplifiers www.national.com/amplifiers Audio www.national.com/audio Clock Conditioners www.national.com/timing Data Converters www.national.com/adc Displays www.national.com/displays Ethernet www.national.com/ethernet Interface www.national.com/interface LVDS www.national.com/lvds Power Management www.national.com/power Switching Regulators www.national.com/switchers LDOs www ...

Related keywords

lp5952
lp5951
lp5952tl
lp5952tl-1.8
lp5952tl-1.2
lp5952lc
lp5951mg
LP5952TL-1.3EV datasheet
LP5952TL-1.3EV data sheet
LP5952TL-1.3EV pdf datasheet
LP5952TL-1.3EV component
LP5952TL-1.3EV part
LP5952TL-1.3EV distributor
LP5952TL-1.3EV RoHS
LP5952TL-1.3EV datasheet download