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PT7673 Datasheet

  • PT7673

  • 0.8V to 1.575V 30A. 5-V Input Programmable ISR

  • 12頁(yè)

  • ETC

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PT7673鈥? V
30-A 5-Bit Programmable
Integrated Switching Regulator
SLTS184A - JANUARY 2003 - REVISED JUNE 2003
Features
鈥?/div>
5 V Input Voltage
鈥?/div>
30 A Output Current
鈥?/div>
5-bit Programmable Output:
0.8 V to 1.575 V
鈥?/div>
87 % Efficiency
鈥?/div>
Differential Remote Sense
鈥?/div>
Over-Current Protection
鈥?/div>
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)
Surface Mountable
IPC Lead-Free 2
Description
The PT7673 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 PT7673 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 PT7673 operates from a
+5-V input bus and produces a tightly
regulated output voltage that is pro-
grammable over the range, 0.8 V to
1.575 V. The output voltage set-point
is selected via a 5-bit input code.
The PT7673 is most suitable for
powering high-end DSP, ASIC, and
microprocessor circuits that require
core or I/O logic supply voltages as low
as 0.8 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.
Ordering Information
PT7673o
= 0.8 to 1.575 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
PT7673
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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