PS10/PS11

9

A051204

RTB

9.76K

6.81K

487K

RTD

RTC

TB

OV

UV

V

TC

PWRGD-C

PWRGD-D

TD

PWRGD-A

PWRGD-B

PS11

-48V

GND

10nF

Ramp

COM

+3.3V

V-

V+

DC/DC

Converter

/EN

Notes:

1. Under Voltage Shutdown (UV) set to 37V.

2. Over Voltage Shutdown (OV) to 57.8V.

3. Other power good outputs will have the same

configuration as PWGRGD-A for Active Low Enabled

Converters.

IN

Opto-isolated Enable

Some applications require opto-isolator interface to the Enable pin of the DC/DC converter. Make sure that the current transfer

ratio of the opto-coupler selected is at least 100% to ensure proper pull-down current on the Enable pin.

RTB

9.76K

6.81K

487K

RTD

RTC

10nF

Opto-coupler

49.9k

PWRGD-A

IN

EN

V

GND

TC

EE

TD

OV

DC/DC

Converter

COM

PWRGD-B

PWRGD-C

UV

Ramp

-48V

PS10

PWRGD-D

V

V-

+3.3V

TB

V+

Notes:

1. Under Voltage Shutdown (UV) set to 37V.

2. Over Voltage Shutdown (OV) to 57.8V.

3. Other power good outputs will have the same

configuration as PWGRGD-A for Active High Enabled

Converters.