LM5041AMTC datasheet(2/16 Pages) NSC

2 / 16 page

Connection Diagram

20137802

16-Lead TSSOP, LLP

Ordering Information

Order Number

Package Type

NSC Package Drawing

Supplied As

LM5041AMTC

TSSOP-16

MTC-16

92 Units per anti-static tube

LM5041AMTCX

TSSOP-16

MTC-16

2500 Units on Tape and Reel

LM5041ASD

LLP-16

SDA-16A

1000 Units on Tape and Reel

LM5041ASDX

LLP-16

SDA-16A

4500 Units on Tape and Reel

Pin Description

NAME

DESCRIPTION

APPLICATION INFORMATION

Source Input Voltage

Input to start-up regulator. Input range 15V to 100V.

Feedback Signal

Inverting input for the internal error amplifier. The

non-inverting input is connected to a 0.75V

reference.

COMP

Output of the Internal Error Amplifier

There is an internal 5k

Ω resistor pull-up on this pin.

The error amplifier provides an active sink.

REF

Precision 5 volt reference output

Maximum output current: 10mA. Locally decouple

with a 0.1µF capacitor. Reference stays low until the

line UV and the V

CC UV are satisfied.

Main Buck PWM control output

Buck switch PWM control output. The maximum duty

cycle clamp for this output corresponds to an off time

of typically 240ns per cycle. The LM5101 or LM5102

Buck stage gate driver can be used to level shift and

drive the Buck switch.

Sync Switch control output

Sync Switch control output. Inversion of HD output.

The LM5101 or LM5102 lower drive can be used to

drive the synchronous rectifier switch.

Output from the internal high voltage start-up

regulator. Regulated to 9 volts.

If an auxiliary winding raises the voltage on this pin

above the regulation setpoint, the internal start-up

regulator will shutdown, reducing the IC power

dissipation.

PUSH

Output of the push-pull drivers

Output of the push-pull gate driver. Output capability

of 1.5A peak .

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