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參數(shù)資料
| 型號： | PT8105A |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 39 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, MSMA31 |
| 文件頁數(shù)： | 1/14頁 |
| 文件大小： | 252K |
| 代理商： | PT8105A |
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
1
Standard Application (See p.3 for PT8104 application schematic)
PT8100 Series
Description
The PT8100 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. Modules are avail-
able for operation from either a 3.3V
or 5V nominal input bus voltage.
Each provides up to 40A of output
current at output voltages as low
as 0.8V. The output voltage is pro-
grammable via a 5-bit input code.
The PT8100 series incorporates
a state-of-the-art, 2-phase, multiple
power path topology. This extends
the output current range while pro-
viding superior transient response
Features
40ADC Output Current
+3.3V or +5V Input
Low Output Voltages:
0.8V—2.7V
High Efficiency
Programmable Output:
(VRM Compatible 5-bit Codes)
Multiphase Topology
C1
= Required 1500F electrolytic input capacitor
C2
= Required 660F low ESR OS-Con, or
1,200F aluminum electrolytic
Lin/C3 = Optional input filter components. 1H input
choke and 100F electroytic capacitor.
Ordering Information
Output Voltage
Input
Part No.
Progam Range
Bus
PT8101
H =1.300 to 2.70V
5V
PT8102
H =1.075 to 1.85V
5V
PT8103
H =1.075 to 1.85V
3.3V
PT8104
H =1.050 to 1.825V 5V
PT8105
H =0.800 to 1.575V 3.3V
40-A 3.3/5-V Input Programmable
Integrated Switching Regulator
SLTS157A
(Revised 8/23/2002)
PT8100 Series
(Except PT8104)
43
21
31
23–30
6
17–22
12–16
L
O
A
D
C
2
660F
Required
+
C
1
1,500F
Required
+
PROGRAMMING PINS
V
IN
V
OUT
GND
REMOTE SENSE
STBY*
VID0
VID1
VID2
VID3
L
1
1H
GND
VID4
5
VID
Common
11
C
3
100F
Optional
+
and input current ripple performance.
The modules are designed for high-
end computing and signal processing
applications, both of which demand
high output currents at low supply
voltages.
The modules have a number of
standard features to facilitate system
integration. These include short-
circuit protection, thermal shutdown,
standby (On/Off) control, and an
output remote sense to compensate
for voltage drop between the regu-
lator and the load. In addition, the
voltage programming codes are
compatible with Intel’s VRM
specifications.
Output Remote Sense
Short-Circuit Protection
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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| PT8102A | 38 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, MSMA31 |
| PT8101C | 38 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, MSMA31 |
| PT8103N | 39 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, MSMA31 |
| PT8123N | 30 A SWITCHING REGULATOR, 400 kHz SWITCHING FREQ-MAX, SMA31 |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PT8105C | 制造商:TI 制造商全稱:Texas Instruments 功能描述:40-A 3.3/5-V Input Programmable Integrated Switching Regulator |
| PT8105N | 制造商:TI 制造商全稱:Texas Instruments 功能描述:40-A 3.3/5-V Input Programmable Integrated Switching Regulator |
| PT810-KVM | 制造商:L COM 功能描述:KVM SWITCH 8-PORT |
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