Technical Reference Notes

AEQ75Y48 Series

(Single Output Quarter Brick)

MODEL: AEQ75Y48 SERIES

SHEET 1 OF 12

JULY 21, 2005 - REVISION 01

AEQ75Y48 Single Output: Baseplate DC-DC Converter Module

Industry Standard ¼ Brick: 36V-75V Input / 1.8V @ 75A Output Current

The AEQ75Y48 series is the latest addition to Astec’s quarter brick size offerings. At 1.8V, it delivers 75A maximum output

current at 89% Efficiency. It provides tight regulation and exhibits clean and monotonic output start up characteristics. The

new modules come with industry standard features such as Input UVLO, OCP, OVP, OTP, Output Trim, differential output

Sense pins. It also comes standard with 2 pairs of output power pins (add suffix “-3” for single pair output pin option) and

offers baseplate construction for optimum user flexibility.

Special Features

•

Industry Standard ¼ Brick Footprint

•

Redundant output power pins (with single

pair option)

•

Positive and Negative Enable Options

•

Regulation to Zero Load

•

High Capacitive Load Start-up

•

Output Trim

•

Input Under-Voltage Lockout

•

Low profile

Environmental Specifications

•

-40ºC to 105ºC Operating Temperature

•

-55ºC to 125ºC Storage Temperature

•

MTBF > 1 million hours

Electrical Parameters

Input

Input Range

36-75 VDC

Input Surge

100V / 100ms

Efficiency

1.8V @ 89% (Typ)

Control

Enable

TTL compatible

(Positive and Negative Enable Options)

Output

Load Current

1.8V @ 75A max

Ripple and Noise

Output Voltage

Adjust Range

Transient Response

< 100mV deviation (Typ)

50% to 75% Load Change

100

µsec settling time (Typ)

Remote Sense

Over Current

Protection

Safety

UL + cUL 60950, Recognized

EN60950 through TUV-PS