SMP402 datasheet(8/16 Pages) POWERINT

8 / 16 page

SMP402

1/96

Conditions

(Unless Otherwise Specified)

Parameter

Symbol

IN = 48 V, VBIAS = 5 V, GNDs = 0 V

Min

Typ

Max

Units

EXT = 20.5 kΩ, CEXT = 120 pF

S+, RS- = 1.2 MΩ, Tj = 0 to 120°C

ABSOLUTE MAXIMUM RATINGS1

EXT = 30 to 300 pF

See Note 2

500

200

230

260

0-50

0-70

1.22

1.32

0.5

OSC

∆f

OSC

REF

VOL

EA IN

OUT

PULSE WIDTH MODULATOR

ERROR AMPLIFIER

Output

Frequency

Initial

Accuracy

Duty

Cycle

Threshold

Voltage

Gain-Bandwidth

Product

Gain

Common-mode

Range

Output

Impedance

kHz

MHz

Ω

Lead Temperature(3). ................................................ 260

°C

Power Dissipation ..................................................... 1.0 W

Thermal Impedance (

JA) ...................................... 55°C/W

Thermal Impedance (

JC)

(4) .................................... 15

°C/W

1. Unless noted, all voltages referenced to A GND, T

A=25˚C

2. Normally limited by internal circuitry.

3. 1/16" from case for 5 seconds.

4. Measured at pin 4/5.

IN Voltage .................................................................. 80 V

Drain-Source Voltage (V

IN to OUT) ........................... 90 V

BIAS Voltage .............................................................. 5.5 V

SENSE Current ....................................................

±200 µA

OUT Voltage ........................................ V

IN + 0.3 V to -4 V

OUT Current .......................................................... 250 mA

Logic Input Voltage ........................... -0.3 V to V

S + 0.3 V

Storage Temperature ..................................... –65 to 125

°C

Operating Junction Temperature(2). ................... 0 to 150

°C

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