BOB12 datasheet(2/4 Pages) BOTHHAND

2 / 4 page

BOTHHAND

USA

E-mail:

sales@bothhandUSA.com

http://www.bothhandUSA.com

Rev:20100713W1

Page 2 of

Isolated DC-DC Converters

BOB12 Series -- 12 Watt

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

75ms typ.

Converter: ON

Open or 3.5V＜Vr＜12V

Remote ON/OFF

Converter: OFF

Short

(3) 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

＜6 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

5% to 95% RH

Temperature coefficient

±0.02% / °C max.

Output Specifications

Output power

12 Watts max.

Voltage accuracy

Full load and nominal Vin

±1.2%

Minimum load

See table

Line regulation

LL to HL at full load

±0.5%

25% load to full load

Single

±1%

Balanced load

Dual

±1%

Load Regulation

Unbalanced load 25% to 100% full load

±5%

Ripple and Noise

20MHz bandwidth

85mVp-p max.

3.3Vout models

3.9V

Over voltage protection

5Vout models

6.2V

(Zener Diode Clamp)

12Vout models

15V

15Vout models

18V

Capacitive load

See table

Over load protection

% of full load at nominal input

150% typ.

Short circuit protection

Continuous, automatic recovery

Transient response settling time

50% load step change

350µs typ.

Transient response over shoot

di/dt=0.8A/µs

≤ ±5% of Vo

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