參數(shù)資料
型號(hào)： PT6946C
廠商： Texas Instruments, Inc.
英文描述： SMPS Controller
中文描述： 開關(guān)電源控制器
文件頁(yè)數(shù)： 1/9頁(yè)
文件大?。?/td> 190K
代理商： PT6946C
For technical support and more information, see inside back cover or visit www.ti.com
Standard Application
Features
High Efficiency Dual Output
(See Ordering Information)
Ideal Power Source for DSPs
5V/3.3V Input
6A Rated (Both Outputs)
Internal Power-up Sequencing
Single On/Off Control
Independent Adjust/Trim
Description
The PT6940 Excalibur power modules
are a series of high-efficiency dual-output
regulators, housed in a solderable space-
saving package. The dual output is ideal
for DSP applications that require a second
voltage source for a processor core.
Both outputs from the PT6940 regulator
modules are rated to deliver a full 6A load
current simultaneously, and are internally
sequenced to comply with the power-up
requirements of popular DSP ICs.
Each output can be independently
adjusted with a single external resistor, and
incorporates an output sense to compensate
for voltage drop between the regulator and
load. A short-circuit load fault at either
output will result in the coordinated
shutdown of both voltages.
Remote Sensing (Vo
1
& Vo
2
)
Soft-Start
Short-Circuit Protection
(coordinated shutdown)
27-pin Space-Saving Package
Solderable Copper Case
C
in
= Req’d 330μF * electrolytic
Co
1
/Co
2
= Req’d 330μF * electrolytic
*300μF for Oscon or low ESR tantalum
(see application notes)
PT6940 Series
6-A Dual Output 5-V/3.3-V Input
Integrated Switching Regulator
SLTS155B
Revised (4/8/2002)
Ordering Information
PT 6941
= +3.3/2.5 Volts
PT 6942
= +3.3/1.8 Volts
PT 6943
= +3.3/1.5 Volts
PT 6944
= +3.3/1.2 Volts
PT 6946
= +2.5/1.8 Volts
PT 6947
= +2.5/1.5 Volts
PT 6948
= +2.5/1.2 Volts
-Denotes models that will also operate off
3.3V input bus.
Pin Function
1
STBY*
2
Vo
1
Adjust
3
Vo
1
Sense
4
Vo
1
5
Vo
1
6
Vo
1
7
GND
8
GND
9
GND
10
GND
11
GND
12
GND
13
V
in
14
V
in
Pin
15
16
17
18
19
20
21
22
23
24
25
26
27
Function
V
in
V
in
GND
GND
GND
GND
GND
GND
Vo
2
Vo
2
Vo
2
Vo
2
Sense
Vo
2
Adjust
STBY* pin:
Open = Outputs enabled
Ground = Outputs disabled
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
(ENE)
(ENF)
(ENG)
PT6940
Co
1
330μF
+
13–16
4–6
23–25
C
IN
330μF
26
Co
2
330μF
+
3
1
Vo
1
Vo
2
L
O
A
D
L
O
A
D
Vo
2
Sense
Vo
1
Sense
V
IN
STBY*
GND
GND
+
7–12
17–22
相關(guān)PDF資料
PDF描述
PT6946N 2-Phase Dual Synchronous PWM Controller with Oscillator Synchronization and Pre-Bias Startup; A IR3621 packaged in a 32-Lead MLPQ (5mm x 5mm).
PT6946 "2.5V/1.8V
PT6947N Complete VR11.0 or AMD PVID power solution.; A IR3500M packaged on a 100 piece strip
PT6948A XPHASE Phase IC with Opti-Phase OVP with overtemp detect. The IR3087 Phase IC combined with an IR XPhase TM Control IC provides a full featured and flexible way to implement power solutions for the latest high performance CPUs and ASICs.; Similar to IR3087M with Lead Free Packaging
PT6948C XPHASE Phase IC with Opti-Phase OVP with overtemp detect. The IR3087 Phase IC combined with an IR XPhase TM Control IC provides a full featured and flexible way to implement power solutions for the latest high performance CPUs and ASICs.; Similar to IR3087 with Tape and Reel Packaging
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
PT6946N 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2.5/1.8V 5/3.3V Inp 6A Dual Output ISR RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
PT6947 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
PT6947A 功能描述:DC/DC轉(zhuǎn)換器 2.5/1.5V 5/3.3V Inp 6A Dual Output 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:
PT6947C 功能描述:DC/DC轉(zhuǎn)換器 2.5/1.5V 5/3.3V Inp 6A Dual Output 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:
PT6947N 制造商:TI 制造商全稱:Texas Instruments 功能描述:SMPS Controller
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