AMC384XBDF datasheet(2/10 Pages) ETC

2 / 10 page

AMC DOC. #: AMC3842B_C (LF)

AMC3842B/43B

March

2004

CURRENT MODE PWM CONTROLLER

www.addmtek.com

ABSOLUTE MAXIMUM RATINGS

(Note 1)

Supply voltage, VCC

35V

Output current, IO

± 1A

Analog inputs, VI

-0.3V to 6.3V

Error amp output sink current, ISINK(EA)

10mA

Power dissipation (TA = 25

OC), PD

Maximum juncture temperature, TJ

150

Storage temperature range

-65

OC to 150OC

Lead temperature (soldiering, 10 seconds)

260

Note 1:

Exceeding these ratings could cause damage to the device.

All voltages are with respect to Ground.

Currents are positive into, negative out of the specified terminal.

THERMAL DATA

M PACKAGE:

Thermal Resistance-Junction to Ambient,

OC/W

D PACKAGE:

Thermal Resistance-Junction to Ambient,

120

OC/W

DM PACKAGE:

Thermal Resistance-Junction to Ambient,

165

OC/W

Junction Temperature Calculation:

TJ = TA + (PD × θJA).

The

JA numbers are guidelines for the thermal performance of the device/pc-board system.

All of the above assume no ambient airflow.

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