Datasheet > QHL750300S12

QHL750300S12

更新时间： 2022-02-26 10:37:35

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XPPOWER		/
页数	文件大小	规格书
6页	679K
描述
DC-DC Converter

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QHL750300S12 数据手册

DC-DC Converter

QHL750 Series

Input

Characteristic

Minimum

200

Typical

Maximum

425

Units

VDC

Notes & Conditions

Input Voltage Range

Input Current

1.8

3.9

200-425 VDC input

Input Surge

475

VDC

For 100 ms

>185 V

<175 V

190

480

195

Off

Undervoltage Lockout

VDC

185

Lockout Hysteresis

VDC

Input Transient Voltage

Input Overvoltage Lockout

Idle Current

475

For 100 ms

480/500

Module On / Module Off

When output is remotely turned off

Inrush Current

0.1

A²s

Recommended Input Fuse

Input Reflected Ripple Current

Fast acting type

mA pk-pk

Through 10 µH inductor

Output

Characteristic

Output Voltage

Output Trim

Minimum

Typical

Maximum

Units

VDC

Notes & Conditions

See Models and Ratings table

See Application Note

-40

+10

Initial Set Accuracy

Minimum Load

Line Regulation

Load Regulation

1.0

At full load and 36 V input

No minimum load required

From minimum to maximum input at full load

From 0% to full load

0.2

0.5

Maximum deviation, recovering to less than 1% in

500 µs for 25% step load change.

Transient Response

3.0

5.0

Start Up Time

700

Output Voltage Rise Time

Ripple & Noise

mV pk-pk

See models and ratings table

Overload Protection

Short Circuit Protection

105

115

125

Continuous hiccup mode, with auto recovery

See Models and Ratings table. Minimum capacitance of

1000 µF required to meet specified regulations

Maximum Capacitive Load

Temperature Coefficient

Overvoltage Protection

0.03

140

%/˚C

125

Output is on if REM+ (pin 4) is open or high (3.5-75 VDC) WRT REM- (pin 3) or -Vin

Output turns off if REM+ (pin 4) is low (<1.2 VDC max) WRT REM- (pin 3) or -Vin

Remote On/Off

General

Characteristic

Minimum

Typical

Maximum

Units

Notes & Conditions

Efficiency

See Models and Ratings table

Isolation: Input to Output

Isolation: Input to Case

Isolation: Output to Case

Switching Frequency

Isolation Resistance

Power Density

3000

2500

500

VAC

kHz

60 s

200

Fixed, 15%

135

W/in

Mean Time Between Failure

Weight

370

kHrs

lb (g)

MIL-HDBK-217F, +25 °C GB

0.51 (230.0)

Environmental

Characteristic

Minimum

-40

Typical

Maximum

+85

Units

Notes & Conditions

Operating Base Plate Temperature

Storage Temperature

Thermal Protection

Humidity

°C

-55

+105

+95

°C

Auto recovery at 75 °C typical

Non-condensing

%RH

Cooling

Baseplate-cooled

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