PS10NG-G-M905 Supertex, PS10NG-G-M905 Datasheet
PS10NG-G-M905
Manufacturer Part Number
PS10NG-G-M905
Description
Quad Power Sequencing Controller
Manufacturer
Supertex
Datasheet
1.PS10NG-G-M905.pdf
(9 pages)
Features
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Applications
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Typical Application Circuit
Sequencing of four supplies, ICs, or subsystems
Independently programmable delays between open
drain PWRGD flags (5.0 to 200ms)
±10 to ±90V operation
Tracking in combination with Schottky diodes
Input supervisors including:
Low power consumption, 0.4mA supply current
Available in a space saving 14-Lead SOIC package
Power supply sequencing
-48V telecom and networking distributed systems
-24V cellular and fixed wireless systems
-24V PBX systems
+48V storage systems
FPGA, microprocessor tracking
Industrial/embedded system timing/sequencing
High voltage MEMs driver’s supply sequencing
High voltage display driver’s supply sequencing
•
•
-48V or GND
GND or +48V
UV/OV lock out/enable
Power-on-Reset (POR)
9.76KΩ
487KΩ
6.81KΩ
Power Sequencing Controller
Notes:
●
1235 Bordeaux Drive, Sunnyvale, CA 94089
1. Under Voltage Shutdown (UV) set to 37V.
2. Over Voltage Shutdown (OV) to 57.8V.
6
5
7
OV
VEE
UV
RTB
TB
VIN
11
14
RTC
PS10
TC
12
RTD
Quad
TD
13
General Description
Many of today’s high performance FPGA’s, microprocessors,
DSP and industrial/embedded subsystems require sequencing
of the input power. Historically this has been accomplished
by: i) discretely using comparators, references & RC circuits;
ii) using expensive programmable controllers; or iii) with low
voltage sequencers requiring resistor drop downs and several
high voltage optocoupler or level shift components.
The PS10 saves board space, improves accuracy, eliminates
optocouplers or level shifts and reduces overall component
count by combining four timers, programmable input UV/
OV supervisors, a programmable POR, and four 90V open
drain outputs. A high reliability, high voltage, junction isolated
process allows the PS10 to be connected directly across the
high voltage input rails.
The power-on-reset interval (POR) may be programmed by a
capacitor on C
PS10s may be daisy-chained together. If at any time the input
supply falls outside the UV/OV detector range, the PWRGD
outputs will immediately become IN-ACTIVE.
The PS10 is available in a space saving 14-Lead SOIC
package.
RAMP
10
10nF
PWRGD-D
PWRGD-C
PWRGD-A
PWRGD-B
●
Tel: 408-222-8888
RAMP
. To sequence additional systems, multiple
2
3
4
1
●
www.supertex.com
DC/DC
CONVERTER
DC/DC
CONVERTER
DC/DC
CONVERTER
DC/DC
CONVERTER
/EN
/EN
/EN
/EN
+12V
COM
+5V
COM
COM
COM
+3.3V
+2.5V
PS10
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