PS10 datasheet(8/13 Pages) SUTEX

Il numero della parte	PS10

Spiegazioni elettronici	Quad Power Sequencing Controller

PDF	13 Pages

Scroll/Zoom	100%

Produttore elettronici	SUTEX [Supertex, Inc]

Homepage	http://www.supertex.com

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8 / 13 page

PS10/PS11

A051204

PS11 Power Down Sequence after OVOFF

Test conditions: CRAMP = 10nF, RTB = 3.24k, RTC = 3.24k,

RTD = 3.24k, RPULL-UP= 47k, CPWRGD_B = 0.47

µF, CPWRGD_C

= 0.94

µF, CPWRGD_D = 1.41µF, VOVOFF = 61.6V, the as-

sumed brick turn-off threshold is 2.7V min TTL logic high.

See power down sequencing on Page 11.

PWRGD Output Configuration

The PS10 and PS11 open drain power good outputs can be connected directly to the Enable pins of the DC/DC converter.

The internal pull-up and clamp of the DC/DC converter sets the logic High Enable/Disable voltage.

RTB

9.76K

6.81K

487K

RTD

RTC

PWRGD-C

PWRGD-D

PWRGD-A

PWRGD-B

PS10

-48V

GND

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.

10nF

Ramp

COM

+3.3V

V-

V+

DC/DC

Converter

Relative to Negative Rail

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