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| 型号： | PT8125A |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 28 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, SMA31 |
| 封装： | HORIZONTAL MOUNT PACKAGE-31 |
| 文件页数： | 1/11页 |
| 文件大小： | 195K |
| 代理商： | PT8125A |
For technical support and more information, see inside back cover or visit www.ti.com
PT812x Standard Application (See page 4 for PT8124 application schematic)
PT8120 Series
Description
The PT8120 Excalibur power
modules are a family of high-output,
high-efficiency, fully integrated
switching regulators (ISRs), housed
in a solderable 31-pin space-saving
copper package. These modules
operate from a nominal input voltage
of +12V to provide up to 30A of
output current at output voltages as
low as 0.8V. The output voltage is
programmable via a 5-bit input code.
The PT8120 family incorporates
a state-of-the-art, 2-phase, multiple
power path topology. This extends
the output current range while pro-
viding superior transient response
and input current ripple performance.
Features
Single Device: 30ADC
+12V-Input
High Efficiency: 92% @3.3V
Programmable Output:
(VRM Compatible 5-bit Codes)
Multiphase Topology
Output Remote Sense
Over-Current Protection
Cin
= Required 1500F electrolytic
Cout = Required 660F low ESR OS-Con, or
1,200F aluminum electrolytic
Lin
= Optional 1H input choke
Ordering Information
PT8121
H = 1.3V
to 3.5V
PT8122
H = 1.075V to 1.85V
PT8123
H = 0.8V
to 1.575V
PT8124
H = 1.05V to 1.825V
PT8125
H = 4.5V
to 7.6V
30-A 12-V Input Programmable
Integrated Switching Regulator
SLTS158B
(Revised 6/6/2002)
PT8120 Series
(Except PT8124)
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
The PT8120 family is designed
to power high-end computing and
signal processing applications, all of
which demand high output currents
at low supply voltages.
The modules have a number of
features to facilitate system integra-
tion. These include over-current
protection, thermal shutdown, an
on/off standby control, and an output
remote sense to compensate for
voltage drop between the regulator
and the load. In addition, the volt-
age programming codes for the
PT8121, PT8122, & PT8124 are
compatible with Intel’s VRM
specifications.
Thermal Shutdown
Standby On/Off Control
Space-Saving Package
Solderable Copper Case
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)
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相关代理商/技术参数 |
参数描述 |
|---|---|
| PT8125C | 功能描述:DC/DC转换器 4.5-7.6V 28A 12V In Multiphase Prog ISR RoHS:否 制造商:Murata 产品: 输出功率: 输入电压范围:3.6 V to 5.5 V 输入电压（标称）: 输出端数量:1 输出电压（通道 1）:3.3 V 输出电流（通道 1）:600 mA 输出电压（通道 2）: 输出电流（通道 2）: 安装风格:SMD/SMT 封装 / 箱体尺寸: |
| PT8125N | 功能描述:开关变换器、稳压器与控制器 4.5-7.6V 28A 12V In Multiphase Prog ISR RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| PT812BB | 功能描述:CBL ASSY PIGTAIL 12' BNCM BNCM RoHS:是 类别:电缆组件 >> 同轴，RF 系列:* 标准包装:1 系列:* |
| PT812NB | 功能描述:CBL ASSY PIGTAIL 12' NM BNCM RoHS:是 类别:电缆组件 >> 同轴，RF 系列:* 标准包装:1 系列:* |
| PT812NN | 功能描述:CBL ASSY PIGTAIL 12' NM NM RoHS:是 类别:电缆组件 >> 同轴，RF 系列:* 标准包装:1 系列:* |
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