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參數資料
| 型號： | PT6985C |
| 廠商： | TEXAS INSTRUMENTS INC |
| 元件分類： | 穩壓器 |
| 英文描述： | 9 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, SMA23 |
| 封裝： | HORIZONTAL SMT-23 |
| 文件頁數： | 1/13頁 |
| 文件大小： | 295K |
| 代理商： | PT6985C |
For technical support and more information, see inside back cover or visit www.ti.com
Standard Application
Features
Dual Outputs
(See Ordering Information)
Ideal Power Source for DSPs
12V Input
Outputs Adjustable
Remote Sensing (Vo1 & Vo2)
Standby Function
Description
The PT6980 Excalibur series of
power modules are dual output integrated
switching regulators (ISRs) specifically
designed to power mixed signal ICs.
Operating from a 12-V input bus, the dual
output provides power for both the digital
I/O logic and a DSP core from a single
module. Both output voltages are internally
sequenced during power-up and power-
down to comply with the requirements of
the latest DSP chips. Each output is inde-
pendently adjustable or can be set to at
least one alternative bus voltage with a
simple pin-strap. The modules are made
available in a space-saving solderable case.
The features include output current limit
and short-circuit protection.
Soft-Start
Internal Sequencing
Short Circuit Protection
23-pin Space-Saving Package
Solderable Copper Case
C1 = Req’d 560F electrolytic
C2 = Req’d 330F electrolytic
C3 = Optional 100F electrolytic
PT6980
C
2
+
GND
V
IN
GND
4,5,6
7-11
12-15
18-21
16
C
1
22
C
3
+
23
1
Vo
2 Sense
Vo
1 Sense
3
STBY
Vo
1
Vo
2
PT6980 Series
10-A 12V-Input Dual Output
Integrated Switching Regulator
SLTS154
Revised (10/2/2001)
Ordering Information
PT6981
o = +2.5/1.8 Volts
PT6982
o = +3.3/2.5 Volts
PT6983
o = +3.3/1.8 Volts
PT6984
o = +3.3/1.2 Volts
PT6985
o = +2.5/1.2 Volts
Pin Function
1Vo1 Sense
2
No Connect
3
STBY
4Vin
5Vin
6Vin
7GND
8GND
9GND
10
GND
11
GND
12
Vo1
Pin
Function
13
Vo1
14
Vo1
15
Vo1
16
Vo1 Adjust *
17
No Connect
18
Vo2
19
Vo2
20
Vo2
21
Vo2
22
Vo2 Sense
23
Vo2 Adjust *
* Vo1 and Vo2 can be pin-strapped to another voltage.
See application note on output voltage adjustment.
Pin-Out Information
PT Series Suffix (PT1234x)
Case/Pin
Order
Package
Configuration
Suffix
Code
Vertical
N
(ELF)
Horizontal
A
(ELG)
SMD
C
(ELH)
(Reference the applicable package code drawing
for the dimensions and PC layout)
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