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PT7743N Datasheet

  • PT7743N

  • 20-A Low-Voltage Programmable Integrated Switching Regulator

  • 7頁

  • TI

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PT7615鈥?V
20-A Low-Voltage Programmable
Integrated Switching Regulator
SLTS163
(Revised 12/13/2001)
Features
鈥?/div>
Single-Device: +5V Input
鈥?/div>
20A Output
鈥?/div>
5-bit Programmable:
1.075V to 1.85V (25mV Steps)
鈥?/div>
VRM 9.0 Compatible
鈥?/div>
High Efficiency (87%)
鈥?/div>
Differential Remote Sense
鈥?/div>
Short-Circuit Protection
鈥?/div>
Compatible with PT7743
20A 鈥淐urrent Booster鈥?/div>
Description
The PT7615 power module is a 20-A
fully integrated switching regulator (ISR)
housed in a 27-pin aluminum SIP package.
Operating from a 5V-input bus, the
PT7615 produces a tightly regulated
supply voltage that is programmable over
the range, 1.075V to 1.85V. The output
voltage is selected via a 5-bit code. The
code adjusts the voltage in steps of 25mV
and is VRM 9.0 compatible.
This regulator is most suitable for
applications that employ microprocessor
and DSP products that require core supply
voltages as low as 1.075V.
The PT7615 includes a Shutdown
control, Differential Remote Sense, and
Short-Circuit Protection.
Ordering Information
PT7615o
= 1.075 to 1.85Volts
PT7743o
= 20A Booster
Pin-Out Information
Pin Function
1
2
3
4
5
6
7
8
9
10
11
12
13
14
VID0
VID1
VID2
VID3
STBY *
VID4
Vin
Vin
Vin
Vin
Vin
Remote Sense (鈥?
GND
GND
Pin Function
15
16
17
18
19
20
21
22
23
24
25
26
27
GND
GND
GND
GND
GND
Vout
Vout
Vout
Vout
Vout
Vout
Remote Sense (+)
Sync Out
PT Series Suffix
(PT1234
x
)
Case/Pin
Configuration
Vertical
Horizontal
SMD
Order
Suffix
Package
Code
(EHD)
(EHA)
(EHC)
N
A
C
(Reference the applicable package code draw-
ing for the dimensions and PC board layout)
For STBY* pin: open =output enabled
ground =output disabled.
Standard Application
PROGRAMMING PINS
VID0
VID1
VID2
VID3
VID4
V
IN
REMOTE SENSE(+)
6 4 3 2 1
26
20-25
L1
7-11
V
O U T
1碌H
+
PT7615
27
5
13-19
12
C
IN
SYNC OUT
GND
STBY*
+
C
OUT
GND
REMOTE SENSE(鈥?
L
O
A
D
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

PT7743N 產(chǎn)品屬性

  • 10

  • 電源 - 板載

  • DC DC Converters

  • PT7740

  • 非隔離（POL）

  • 1

  • 5.5V

  • 1.3 ~ 3.5 V

  • -

  • -

  • 20A

  • 70W

  • -

  • -

  • 通孔

  • 27-SIP 模塊

  • -

  • 托盤

  • -

  • -

  • 70W

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