Rev.06.27.07

SMT12F

2 of 5

Embedded Power for

Business-Critical Continuity

All specifications are typical at nominal input, full load at 25

Specifications

OUTPUT SPECIFICATIONS

Voltage adjustability

5.0 Vin

0.9-3.3 Vdc

Wide trim (See Note 6)

3.3 Vin

0.9-2.6 Vdc

Setpoint accuracy

±0.5% typ.

Line regulation

±1.0% typ.

Load regulation

±1.0% typ.

Total error band

±3.0% typ.

Minimum load

0 A

Overshoot/undershoot

None

Ripple and noise

5 Hz to 20 MHz

40 mV pk-pk

(See Note 5)

25 mV rms

Temperature co-efficient

±0.01%/°C

Transient response

di/dt 300 A/μs

12 A load step

(Vout = 3.3 V)

100 mV deviation

<15 μs settling time to

within ±1.0%

Remote sense

10% Vo compensation

INPUT SPECIFICATIONS

Input voltage range

5 Vin

3.0-5.5 Vdc

(See Note 6)

3.3 Vin

2.97-3.63 Vdc

Input current

No load

100 mA

Input current (max.)

8.5 A max. @ Io max.

and Vout = 3.3 V

Input reflected ripple

100 mA rms

Remote ON/OFF

(See Note 1)

Start-up time

15 ms

EMC CHARACTERISTICS

Electrostatic discharge

EN61000-4-2, IEC801-2

Conducted immunity

EN61000-4-6

Radiated immunity

EN61000-4-3

GENERAL SPECIFICATIONS

Efficiency

5 Vin

95% typ.

3.3 Vin

92% typ.

Insulation voltage

Non-isolated

Switching frequency

600 kHz

Approvals and

EN60950

standards

UL/cUL60950

Material flammability

UL94V-0

Dimensions

(LxWxH)

16.00 x 13.46 x 7.93 mm

0.63 x 0.52 x 0.31 inches

Weight

3 g (0.11 oz)

Coplanarity

100 μm

MTBF

Telcordia SR-332

10,000,000 hours

ENVIRONMENTAL SPECIFICATIONS

Thermal performance

Operating ambient,

-40 °C to +85 °C

(See Note 2)

temperature

Non-operating

-40 °C to +125 °C

PROTECTION

Short-circuit

Continuous

Thermal

Automatic recovery