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PT8001N Datasheet(PDF) 1 Page - Texas Instruments

Part # PT8001N
Description  60 Amp High-Performance Programmable ISR
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

PT8001N Datasheet(HTML) 1 Page - Texas Instruments

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For technical support and more information, see inside back cover or visit www.ti.com/powertrends
Standard Application
Cin
= Required 2000µF electrolytic (1)
CL
= Optional capacitance at load
(1)
R1
= Required 10k pull-up resistor when using the PWRGD*
signal. The PWRGD* output is low when the output
voltage is within specifications.
Features
60A Output Current
Multi-Phase Topology
+5V Input
5-bit Programmable:
1.3V to 3.5V
1.075V to 1.850V
High Efficiency
Differential Remote Sense
Short Circuit Protection
PT8000
VID4 – VID0
34
33
32
31
30
PROGRAMMING PINS
VID0
VID1
VID2
VID3
VID4
C
IN
+
V
IN
GND
V
IN
x8
x10
x10
V
OUT
GND
L
O
A
D
C
L
+
V
OUT
GND
25
+ REMOTE SENSE
– REMOTE SENSE
20
STBY*
22
PWRGD*
V
DD
21
PWRGD*
+SNS
–SNS
STBY
Q
1
Description
The PT8000 series is a 60 A high-
performance, Integrated Switching
Regulator (ISR) housed in a single
low-profile 44-pin SIP package.
Operating from an input voltage of
+5V, the PT8000 series offers a
state-of-the-art “Plug-in Power”
solution for highly-integrated
digital systems that demand high
power supply currents at low voltages.
The output voltage from these
modules is programmable over a
preset range via a 5-bit input. The
PT8001 may be set from 1.3V to
3.5V, which is compatible with Intel’s
Pentium Pro® µ-processors. The
output voltage of the PT8002 is
programmable from 1.075V to 1.85V.
The PT8000 series incorporates
many features to facilitate system
Ordering Information
PT8001
o = 1.3 to 3.5 Volts
PT8002
o = 1.075 to 1.850 Volts
For dimensions and PC board layout, see
Package Styles 1600, 1610 and 1615
PT Series Suffix (PT1234X)
Case/Pin
Configuration
Vertical Through-Hole
N
Horizontal Through-Hole
A
Horizontal Surface Mount
C
integration. Output short-circuit
protection and over-temperature
shutdown enables these modules to
survive any load fault. Two self-
diagnosotic signals, “Power Good”
(PWRGD*) and “Over-Voltage
Flag” (OVF*) are provided. And a
unique tracking feature allows the
output to be synchronized to a master
ramp voltage during power-up.
Other features include a standby
input, and a differential remote sense
to compensate for voltage drop between
the ISR and load.
A low ESR capacitance of 2000µF
is required at the input for proper
operation.
PT8000—5V
60 Amp High-Performance
Programmable ISR
Output Tracking Feature
Over-Temp Shutdown
Power Good & OV Flag
Low-Profile Package
Solderable Copper Case
“Current Booster”
Compatible
SLTS135A
(Revised 4/5/2001)


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