BWA40 datasheet(2/5 Pages) BOTHHAND

2 / 5 page

BOTHHAND

USA

E-mail: sales@bothhand

USA.com

http://www.bothhand

USA.com

Rev:20110406A

Page 2 of 5

Isolated DC-DC Converters

BWA40 Series -- 40Watt

Input Specifications

12V nominal input

9-18Vdc

Input voltage

24V nominal input

18-36Vdc

48V nominal input

36-75Vdc

Input filter

Pi type

12V input

25Vdc

Input surge voltage

24V input

50Vdc

(100ms max.)

48V input

100Vdc

Input reflected ripple current

Nominal Vin and full load

100mAp-p typ.

Start up time

Nominal Vin and constant resistive load

78ms typ.

Converter: ON

Open or 3.5V＜Vr＜12V

Remote ON/OFF

Converter: OFF

Short

(4) or 0V＜Vr＜0.7V

Sourcing current of remote control pin

Nominal Vin

＜0.2 mA

Idle input current (at Remote OFF state)

Nominal Vin

＜20 mA

Environmental Specifications

Operating ambient temperature

-40°C to +85°C (with derating)

Maximum case temperature

+100°C

Storage temperature range

-55°C to +105°C

Relative humidity

95% RH max.

Temperature coefficient

±0.02% / °C max.

Output Specifications

Output power

43.2 Watts max.

Voltage accuracy

Full load and nominal Vin

±1%

Minimum load

See table

Line regulation

LL to HL at full load

±0.5%

25% load to full load

Single

±0.5%

Balanced load

Dual

±0.5%

Load Regulation

Unbalanced load 25% to 100% full load

±3%

Single outputs

50mVp-p max.

Ripple and Noise (20MHz Bandwidth)

Dual outputs

85mVp-p max.

3.3Vout models

3.9V

5Vout models

6.2V

12Vout models

15V

Over voltage protection

(Zener Diode Clamp)

15Vout models

18V

Capacitive load

See table

Over load protection

% of full load at nominal input

110% min.

Thermal shutdown

115°C typ.

Short circuit protection

Hiccup, automatic recovery

Transient response settling time

50% load step change

300µs typ.

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