The Fifth Generation, Ultra Small Size, Isolated DC-DC Converter

1.5Watt BTA Series

2

DC-DC Converter

BDD20081

203

<Specification>

Table2

Input Voltage Range

Refer to Table 1

Rating Output Voltage

3.3V±3%, 5V±3%, 12V±3%, ±12V±5% (Vadj pin at open)

Adjustable Output Voltage

Range

3.15 to 3.6V (For 3.3V), 4.75 to 6.0V (For 5V), 11.4 to 15V (For 12V), ±11.4 to ±15V (For 12V)

Line Regulation

Please refer to Table1 (rating Output, for the regulation of Input Voltage Range of Table1)

Load Regulation

Refer to table1 (Rating Input/Output Voltage, for the regulation of load 0 to 100% (±Output is

when load is at balance))

Temp. Regulation

80mV max. (For 3.3V, 5V), 200mV max. (For 12V), 300mV max. (For ±12V)

(Input/Output rating, For operating temp. -40°C to 50°C)

Ripple/Noise

Refer to Table 1 (Rating Input/Output, At room temp, 20MHz bandwidth)

Efficiency

70% to 82% typ. (Rating Input/Output, At room temp., Refer to table 1)

Over Current Protection

Circuit

Operates at 105% or more rating load current, auto recovery type. Avoid long time short-circuit

Condition.

Over Voltage Protection

Circuit

None

Low Input Voltage

Protection

Available (Refer to p.11)

Over Input Current

Protection

Built-in fuse in the input (refer to p.12)

Remote ON/OFF

Between 2pin (ON/OFF) and -3pin (−Vin) : Output goes OFF at open, Output goes ON when in

short. (Refer to p.9)

Stand by Current

0.6 to 2.4mA typ. (Depend on the model)

Isolation Voltage

Input−Output，Input−Case, Output−Case AC500V 1min.

Isolation resistance

Input−Output，Input−Case, Output−Case Over 50MΩ at DC500V.

Primary-Secondary

capacitance

Approx. 60 to 140pF (Depend on the model)

Operating Temp. Range

Operating Temp. -40°C to 85°C (Need temp. derating from 50°C)

Storage Temp. Range

Storage Temp.-40°C to 85°C

Humidity Range

Humidity range 95%R.H. max. (Max. wet bulb 38°C, non-condensing)

Cooling Condition

Air Convention (Set in a place where good convection is ensured)

Vibration

10 to 55Hz All amplitude 1.52mmp-p (2 hours in each orthogonal axes), Scanning time 15min.

Shock

Acceleration 100G (3directions, 3times each, 18times in total), Persistent time 6ms

Weight

3.2g typ.

DIP type W=16.6 L=16.8 H=8.4 typ. (mm) (For detail dimensions, refer to the outline on p.7)

Outline

SMD type W=16.6 L=19.8 H=8.5 typ.(mm) (For detail dimensions, refer to the outline on p.7)

NOTE : Unless condition is specified, above specification is regulated as rating value.