參數(shù)資料
型號(hào): PT8139N
廠商: TEXAS INSTRUMENTS INC
元件分類: 穩(wěn)壓器
英文描述: 30 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, MSMA31
文件頁(yè)數(shù): 1/9頁(yè)
文件大?。?/td> 194K
代理商: PT8139N
For technical support and more information, see inside back cover or visit www.ti.com
Standard Application
PT8139—12V
Description
The PT8139 Excalibur module
is a high performance integrated
switching regulator (ISR), housed in
a solderable, 31-pin space-saving
copper package. Operating from an
input voltage of +12V, the module
provides up to 30A of power over a
range of low-output voltages.
The PT8139 incorporates a state-
of-the-art 2-phase multiple power
path. This topology extends the
output current range while improving
both the transient response and input
current ripple.
Features
Single Device: 30ADC
+12-V Input
Programmable Output Voltage:
1.7V to 4.0V via 5-Bit Code
Multiphase Topology
High Efficiency: 92% @3.3V
Output Remote Sense
30-A Programmable Integrated
Switching Regulator
SLTS156
(3/8/2002)
The PT8139 output voltage is
programmable over the voltage
range, 1.7V to 4.0V, via a 5-bit input
code. This makes the PT8139 an
ideal power source for many highly
integrated digital systems that de-
mand a high power supply current
at low voltages.
The PT8139 features include
short-circuit protection, thermal
shutdown, a Standby (On/Off)
control, and a remote sense to com-
pensate for voltage drop between
the regulator and the load.
Short-Circuit Protection
Thermal Shutdown
Standby On/Off Control
Space-Saving Package
Solderable Copper Case
Ordering Information
PT8139
o = 1.7 to 4.0 Volts
PT Series Suffix (PT1234 x )
Case/Pin
Order
Package
Configuration
Suffix
Code
Vertical
N
(EKH)
Horizontal
A
(EKF)
SMD
C
(EKG)
(Reference the applicable package code drawing for
the dimensions and PC board layout)
Cin
= Required 1500F electrolytic
Cout = Required 660F low ESR OS-Con, or
1,200F aluminum electrolytic
Lin
= Optional 1H input choke
PT8139
432
1
31
23–30
6
17–22
12–16
L
O
A
D
C
OUT
+
C
IN
+
PROGRAMMING PINS
V
IN
V
OUT
GND
REMOTE SENSE
STBY*
VID0
VID1
VID2
VID3
L
in
1H
GND
VID4
5
VID
Common
11
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