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PT7714 PDF预览

PT7714

更新时间: 2024-11-12 12:22:31
品牌 Logo 应用领域
德州仪器 - TI 稳压器开关
页数 文件大小 规格书
9页 189K
描述
20-A Programmable Integrated Switching Regulator

PT7714 数据手册

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PT7713—3.3V  
20-A Programmable  
Integrated Switching Regulator  
SLTS149A  
(Revised 6/27/2002)  
Features  
3.3V Input Voltage  
27-Pin Space-Saving Package  
20-A Output Current  
4-bit Programmable:  
1.8V to 2.55V (50mV Steps)  
Solderable Copper Case  
Compatible with PT7744  
20A “Current Booster”  
High Efficiency (90%)  
Differential Remote Sense  
Over-Current Protection  
Ordering Information  
Description  
Pin-Out Information  
Pin Function  
PT 7713o = 1.8 to 2.55 Volts  
PT 7744o = 20-A Booster *  
Pin Function  
The PT7713 Excalibur™ power module  
is a 20-A integrated switching regulator  
(ISR) housed a 27-pin space-saving copper  
package. Operating from a 3.3V input  
bus, the PT7713 produces a tightly regu-  
lated supply voltage that is programmable  
over the range, 1.8V to 2.55V. The  
output voltage is selected via a unique  
4-bit input code that adjusts the output  
in steps of 50mV.  
15 GND  
16 GND  
17 GND  
18 GND  
19 GND  
1
VID0  
2
VID1  
* Consult the related application note for  
information on current booster operation.  
3
VID2  
4
VID3  
5
STBY *  
No Connect  
PT Series Suffix  
(PT1234x)  
20  
21  
22  
23  
24  
25  
V
out  
V
out  
V
out  
V
out  
V
out  
V
out  
6
Case/Pin  
O rder  
Package  
7
V
in  
V
in  
V
in  
V
in  
V
in  
Configuration Suffix  
Code  
8
9
Vertical  
Horizontal  
SMD  
N
A
C
(ENE)  
(ENF)  
(ENG)  
This regulator is most suitable for  
microprocessor and DSP applications  
requiring core or I/O logic supply voltages  
as low as 1.8V.  
The PT7713 incorporates output short-  
circuit protection, and a differential remote  
sense to compensate for voltage drop  
between the regulator and load.  
10  
11  
Previously known as package styles  
1420 & 1430  
26 Rem Sense Vout  
27 Sync Out  
12 Rem Sense Gnd  
13 GND  
(Reference the applicable package code  
drawing for the dimensions and PC  
board layout)  
14 GND  
For STBY* pin: open =output enabled  
ground =output disabled.  
Standard Application  
PROGRAMMING PINS  
VID0  
VID1  
VID2  
VID3  
REMOTE SENSE(+)  
4
3
2
1
26  
12  
L1  
VOUT  
7-11  
20-25  
VIN  
PT7713  
1µH  
L
O
A
D
+
27  
5
13-19  
+
CIN  
COUT  
SYNC OUT  
GND  
GND  
REMOTE SENSE(–)  
STBY*  
Cin = Required 1500µF electrolytic  
Cout = Required 330µF electrolytic  
L1 = Optional 1µH input choke  
For technical support and more information, see inside back cover or visit www.ti.com  

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