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PT7671 Datasheet

  • PT7671

  • 1.3V to 3.5V 32A. 5-V Input Programmable ISR

  • 9頁(yè)

  • ETC

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PT7671鈥? V
30-A Programmable
Integrated Switching Regulator
SLTS176A - NOVEMBER 2002 - REVISED JUNE 2003
Features
鈥?/div>
5 V Input Voltage
鈥?/div>
30 A Output Current
鈥?/div>
5-bit Programmable Output:
1.3 V to 3.5 V
鈥?/div>
93 % Efficiency
鈥?/div>
Differential Remote Sense
鈥?/div>
Over-Current Protection
鈥?/div>
鈥?/div>
鈥?/div>
鈥?/div>
Over-Temperature Protection
27-Pin Solderable Copper Case
1.57 in虜 PCB Area (鈥楴鈥?Suffix)
IPC Lead-Free 2
Description
The PT7671 Excalibur鈩?high perfor-
mance integrated switching regulator
(ISR) is rated for up to 30 A. Housed in
a 27-pin, space-saving, solderable cop-
per package, the PT7671 delivers a
higher output current than many mod-
ules of similar size. This makes it an
ideal choice where both a high output
current and minimum board space are
desirable. The PT7671 operates from a
+5-V input bus and produces a tightly
regulated output voltage that is pro-
grammable over the range, 1.3 V to
3.5 V. The output voltage is selected via
5-bit input code, which is compatible
with VRM specifications.
The PT7671 is most suitable for
powering high-end DSP, ASIC, and
microprocessor circuits that require
core or I/O logic supply voltages as low
as 1.3 V.
Other features include output short-
circuit and over-temperature protection,
a standby control, and a differential
remote sense to compensate for voltage
drop between the regulator and load.
The PT7671 is also pin compatible
with the 20-A rated PT7711.
Ordering Information
PT7671o
= 1.3 to 3.5 Volts
PT Series Suffix
(PT1234
x
)
Case/Pin
Order
Configuration Suffix
Vertical
Horizontal
SMD
Package
Code
(ENE)
(ENF)
(ENG)
N
A
C
(Reference the applicable package code
drawing for the dimensions and PC
board layout)
Standard Application
PROGRAMMING PINS
VID0
VID1
VID2
VID3
VID4
SENSE(+)
6
4
3
2
1
26
L1
V
IN
7鈥?1
1 碌H
+
5
PT7671
13鈥?9
12
20鈥?5
V
OUT
+
C
IN
C
OUT
GND
L
O
A
D
GND
STBY
SENSE(鈥?
C
in
= Required 1500 碌F electrolytic
C
out
= Required 330 碌F electrolytic
L
1
= Optional 1 碌H input choke
For technical support and more information, see inside back cover or visit www.ti.com

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