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BOTHHAND
USA
E-mail:
sales@bothhandUSA.com
http://www.bothhandUSA.com
Rev:20100713W1
Page 2 of
4
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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