PT7779C [TI]
32 Amp Programmable Integrated Switching Regulator; 32安培可编程集成开关稳压器
| 型号： | PT7779C |
| 厂家： | 
TEXAS INSTRUMENTS |
| 描述： | 32 Amp Programmable Integrated Switching Regulator |
| 文件： | 总3页 (文件大小：156K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
PT7779—5V
32 Amp Programmable Integrated
Switching Regulator
SLTS116
(Revised 8/31/2000)
Description
Pin-Out Information
Standard Application
Pin Function
Pin Function
PROGRAMMING PINS
VID0
VID1
VID2
VID3
VID4
REMOTE SENSE(+)
6
4
3
2
1
26
12
L1
VOUT
7-11
20-25
VIN
PT7779
1µH
L
O
A
D
+
27
5
13-19
+
CIN
COUT
SYNC OUT
G N D
G N D
REMOTE SENSE(–)
STBY*
Specifications
PT7779
Characteristics
(T a = 25°C unless noted)
Symbols
Conditions
Min
Typ
Max
Units
=
=
≤
≤
∆
≤
≤
≤
≤
≤
≤
η
≤
≤
≤
≤
Notes:
External Capacitors:
Input Filter:
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
PT7779—5V
32 Amp Programmable Integrated
Switching Regulator
Ordering Information
PT 7779❏
Programming Information
Features
VID4=1 VID4=0
Vout Vout
VID3 VID2 VID1 VID0
PT Series Suffix
(PT1234X)
Case/Pin
Configuration
N
A
C
T Y P I C A L
C H A R A C T E R I S T I C S
Safe Operating Area Curves
Performance Characteristics, V =5V
in
PT7779, VIN =5V, V =3.3V
Efficiency Vs Output Current
O
100.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
95.0
90.0
85.0
80.0
75.0
70.0
65.0
60.0
Airflow
VOUT
1.8V
400LFM
200LFM
120LFM
Nat conv
2.5V
3.3V
0
4
8
12
16
20
24
28
32
0.0
4.0
8.0
12.0
16.0 20.0 24.0 28.0 32.0
Iout (A)
Iout (A)
Output Ripple Vs Output Current
80
70
60
50
40
30
20
10
0
VOUT
1.8V
2.5V
3.3V
0
4
8
12
16
20
24
28
32
Iout (A)
Power Dissipation Vs Output Current
16.00
14.00
12.00
10.00
8.00
VOUT
1.8V
2.5V
3.3V
6.00
4.00
2.00
0.00
0
4
8
12
16
20
24
28
32
Iout (A)
Note A:
Note B:
For technical support and more information, see inside back cover or visit www.ti.com/powertrends
IMPORTANT NOTICE
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pertaining to warranty, patent infringement, and limitation of liability.
TI warrants performance of its semiconductor products to the specifications applicable at the time of sale in
accordance with TI’s standard warranty. Testing and other quality control techniques are utilized to the extent
TI deems necessary to support this warranty. Specific testing of all parameters of each device is not necessarily
performed, except those mandated by government requirements.
Customers are responsible for their applications using TI components.
In order to minimize risks associated with the customer’s applications, adequate design and operating
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Copyright 2000, Texas Instruments Incorporated
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