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參數(shù)資料
| 型號： | PT6939C |
| 廠商： | Texas Instruments, Inc. |
| 英文描述： | Analog IC |
| 中文描述： | 模擬IC |
| 文件頁數(shù)： | 1/12頁 |
| 文件大?。?/td> | 242K |
| 代理商： | PT6939C |
For technical support and more information, see inside back cover or visit www.ti.com
Standard Application
Features
Dual Outputs
(See Ordering Information)
5V/3.3V Input
Outputs Adjustable
Remote Sensing (Vo
1
& Vo
2
)
Standby Function
Soft-Start
Description
The PT6935 Excalibur series of
power modules are dual output integrated
switching regulators (ISRs) designed to
power the latest mixed signal ICs. 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 independently 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 solder-
able case. Features include an output
current limit and short-circuit protec-
tion.
Internal Sequencing
Short Circuit Protection
23-pin Space-Saving Package
Solderable Copper Case
Ideal Power Source for DSPs
C1 = Req’d 330μF * electrolytic
C2 = Req’d 330μF * electrolytic
C3 = Optional 100μF electrolytic
* 300μF for Oscon or low
ESR tantalum -see notes
PT6935
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
PT6935 Series
11-A 5V/3.3V-Input Dual Output
Integrated Switching Regulator
SLTS091B
Revised (9/30/2001)
Ordering Information
PT 6935
= +2.5/1.8 Volts
PT 6936
= +3.3/2.5 Volts
PT 6937
= +3.3/1.8 Volts
PT 6938
= +3.3/1.2 Volts
PT 6939
= +2.5/1.2 Volts
Pin Function
1
Vo
1
Sense
2
No Connect
3
STBY
4
V
in
5
V
in
6
V
in
7
GND
8
GND
9
GND
10
GND
11
GND
12
Vo
1
Pin
13
14
15
16
17
18
19
20
21
22
23
Function
Vo
1
Vo
1
Vo
1
Vo
1
Adjust *
No Connect
Vo
2
Vo
2
Vo
2
Vo
2
Vo
2
Sense
Vo
2
Adjust *
* Vo
1
and Vo
2
can be pin-strapped to another
voltage. See application note on output
voltage adjustment.
Pin-Out Information
PT Series Suffix
(PT1234
x
)
Case/Pin
Configuration
Vertical
Horizontal
SMD
(Reference the applicable package code drawing
for the dimensions and PC layout)
Order
Suffix
N
A
C
Package
Code
(ELF)
(ELG)
(ELH)
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| PT6939N | 制造商:TI 制造商全稱:Texas Instruments 功能描述:Analog IC |
| PT6940 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:6-A Dual Output 5-V/3.3-V Input Integrated Switching Regulator |
| PT6941 | 制造商:TI 制造商全稱:Texas Instruments 功能描述:6-A Dual Output 5-V/3.3-V Input Integrated Switching Regulator |
| PT6941A | 功能描述:DC/DC轉(zhuǎn)換器 3.3V/2.5V 6A+6A 5V-In Dual Otpt ISR RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
| PT6941C | 功能描述:DC/DC轉(zhuǎn)換器 3.3V/2.5V 6A+6A 5V-In Dual Otpt ISR RoHS:否 制造商:Murata 產(chǎn)品: 輸出功率: 輸入電壓范圍:3.6 V to 5.5 V 輸入電壓（標(biāo)稱）: 輸出端數(shù)量:1 輸出電壓（通道 1）:3.3 V 輸出電流（通道 1）:600 mA 輸出電壓（通道 2）: 輸出電流（通道 2）: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體尺寸: |
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