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MDC_ICH_500W_A04 Page 2 of 17

ICH 500-Watt Series

Wide Input Isolated Half Brick DC-DC

Electrical Specifications – All Models

Parameter

Notes

Min

Typ

Max

Units

Absolute Maximum Ratings

Input Voltage

Continuous

0

40

V

Transient (100ms)

50

V

Operating Temperature (See Note 1)

Baseplate (100% load) Standard model

-40

105

ºC

Storage Temperature

-55

125

ºC

Isolation Characteristics and Safety

Isolation Voltage

Input to Output

2250

V

Input to Baseplate & Output to Baseplate

1500

V

Isolation Capacitance

4500

pF

Isolation Resistance

10

20

M

Insulation Safety Rating

Basic

Agency Approvals

Feature Characteristics

Fixed Switching Frequency

Output Voltage Ripple has twice this frequency

200

kHz

Output Voltage Trim Range

± 10

%

Remote Sense Compensation

This function is not provided

N/A

%

Output Overvoltage Protection

Non-latching

117

124

130

%

Overtemperature Shutdown (Baseplate)

Non-latching

110

120

ºC

Auto-Restart Period

Applies to all protection features

450

500

550

ms

Time from UVLO to

517

530

ms

Turn-On time from ON/OFF Control

Trim from ON to

17

20

ms

Rise Time

4

7.5

11

ms

ON/OFF Control - Positive Logic

ON state

Pin open = ON or external voltage applied

2

12

V

Control Current

Leakage current

0.16

mA

OFF state

0

0.8

V

Control Current

Sinking

0.3

0.36

mA

ON/OFF Control - Negative Logic

ON state

Pin shorted to -INPUT or

0.8

V

OFF state

Pin open = Off or

2

12

V

Thermal Characteristics

Thermal resistance Baseplate to Ambient

Converter soldered to 3.95” x 2.5” x 0.07” 4 layer/ 2oz

copper FR4 PCB.

5.2

ºC/W

1. A thermal management device, such as a heatsink, is required to ensure proper operation of this device. The thermal management medium is required to

maintain baseplate < 105ºC for full rated power.