LGA10C-01SADJXJ datasheet, PDF

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LGA10C-01SADJXJ: DescriptionEmbedded Power Device; File Size1MB，28 Pages; ManufacturerVertiv

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LGA10C-01SADJXJ Overview

Embedded Power Device

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Technical Reference Note

Embedded Power for

Business-Critical Continuity

SXX06E

Rev. 08.010.6

Page 1 of 2

LGA C Series

3/6/10/20 A

Total Power: 15-100 Watts

No. of Outputs: Single

Rev. 12.07.09

LGA C Series

1 of 28

Special Features

• 3,6,10 and 20 A output

current rating

• Wide input voltage

range: up to 14 Vdc

• Adjustable output

voltage: 0.59-5.1 V

• Excellent transient

response

• High efficiency

• Output margining

• Power enable

• Minimal airflow

requirement

• Termination voltage

capability

• Ultra compact profile

and footprint

• RoHS compliant

• Remote sense

Product Family:

Function:

Usage:

LGA C Series

Embedded Power Device

ASIC, Memory, FPGAs, Telecom and

Networking Equipment, Servers,

Industrial Equipment, POL Regulation

Definition:

The LGA C Series is a new high density, non-isolated con-

verter for space sensitive applications. This Embedded Power

Device (EPD) has a wide input range up to14.0 V and offers a

0.59-5.1 V adjustable output with 3, 6, 10 and 20 A capability

without derating. This EPD offers a complete feature set of

of enable, remote sense, and power good inclusive of a wide

adjustable output range.

Standards

Designed to meet EN60950

when utilized in end use

equipment.

International Standards for

Solderability: J-STD-002B

IEC-60068-2-58

Technical Reference Note

Embedded Power for

Business-Critical Continuity

Features and Functions

Output Voltage Adjustment

The output voltage on all models is adjustable from 0.59 - 5.1 V.

Undervoltage Lockout

The default undervoltage lockout is set as follows:

LGA 03/06/10C: 2.9 V

LGA20C: 4.3 V

Rev. 12.07.09

LGA C Series

3 of 28

Current Limit and Short-Circuit Protection

The LGA C models have a built-in non-latching current limit function and full continuous short-circuit

protection. The module monitors current through the top and bottom FET. When an overcurrent

condition occurs, the module goes into hiccup mode, where it attempts to power up periodically to

determine if the problem persists.

The output current level is sensed through the voltage drop across the top and bottom FETs during

their on time. This type of sensing is affected by temperature due to the change in Rdson. At higher

temperatures, the Rdson increases, which lowers the overcurrent point.

Note that the module specifications are not guaranteed when the unit is operated in an overcurrent

condition.

Remote ON/OFF

The remote ON/OFF input allows external circuitry to put the LGA C Series converter into a low dissipation

sleep mode. Positive logic remote ON/OFF is available as standard.

The EPD is turned on if the remote ON/OFF pin is high or floating. Pulling the pin low will turn off the EPD.

To guarantee turn-on, the enable voltage must be above 0.50 V. To turn off the enable voltage, it must be

pulled below 0.2 V.

Figures illustrating the response of the unit to switching on and off using the remote ON/OFF feature are

included on pages 13, 16, 20 and 25. Figures 3 and 4 show various circuits for driving the remote ON/OFF

feature. The remote ON/OFF input can be driven through a discrete device (e.g. a bipolar signal transistor)

or directly from a logic gate output. The output of the logic gate may be an open-collector (or open-

drain) device. Please note the remote ON/OFF pin should only be driven in the following range:

If,

Vin ≤ 5 V, Von/off (max) = Vin

Vin > 5 V, Von/off (max) = 5 V

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