GS-R24FP datasheet, PDF - EEWORLD Datasheet

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GS-R24FP: Description1.8 A DC-DC converter modules; File Size423KB，15 Pages; ManufacturerSTMicroelectronics; Websitehttp://www.st.com/

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GS-R24FP Overview

1.8 A DC-DC converter modules

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GS-R24FP

1.8 A DC-DC converter modules

Features

■

MTBF 1 000 000 hours (T

= 25

°C)

1.8 A max output current

35 V max input voltage

1.5 V max drop-out voltage

Remote logic inhibit/enable

Synchronization

Not-latching overload and short circuit

protection

Thermal shutdown

Fixed or adjustable output

No heatsink required

Operating temperature range -25 °C ÷ 85 °C

Packing type: V = vertical PTH

Description

The GS-R24FP series is a family of high

efficiency step down switching voltage regulator,

designed to replace linear regulators.

Based on ST L5973A device, this non isolated

family of regulators are suitable for the full

spectrum of applications including telecom,

industry, computer and distributed power system

applications having a widely ranging input

voltage.

Packing type: S = horizontal SMD

Table 1.

Device summary

Output voltage

[V]

1.8

± 4%

2.5

3.3

5.0

1.235

5.5

Input voltage

[V]

Output ripple

[mVpp]

Efficiency

[%]

59 - 63

66 - 70

70 - 75

79 - 83

Notes

Fixed output voltage

Progr. output voltage

Order codes

GS-R24FP0181.8

GS-R24FP0251.8

GS-R24FP0331.8

GS-R24FP0501.8

GS-R24FP0001.8

February 2008

Rev 2

1/15

www.st.com

Contents

GS-R24FP

Contents

Pin settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3

1.1

1.2

Pin connection and mechanical data (dimensions in mm) . . . . . . . . . . . . . 3

Pin description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

Maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

2.1

2.2

2.3

Absolute maximum ratings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Thermal data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5

Thermal de-rating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6

Electrical characteristics . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7

Application information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

4.1

4.2

4.3

4.4

4.5

4.6

4.7

4.8

4.9

Input voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Reference voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Inhibit function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Multiple units synchronization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Current limitation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8

Thermal shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Output voltage programming (GS-R24FP0001.8 only) . . . . . . . . . . . . . . . 9

Loop compensation (GS-R24FP0001.8 only) . . . . . . . . . . . . . . . . . . . . . . 9

Soldering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10

Additional features and protections . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

5.1

Output overvoltage protection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Ordering scheme . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13

Revision history . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

2/15

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