參數(shù)資料
型號： PT7600
廠商： Texas Instruments, Inc.
英文描述： 10A Programmable ISR Family
中文描述： 10A 可編程 ISR 系列
文件頁數(shù)： 1/3頁
文件大?。?/td> 176K
代理商： PT7600
Pin-Out Information
Standard Application
Cin
Cout= Optional 1μH input choke
L1
= Required 1200μF electrolytic
PT7600
7 - 11
13 - 19
20 - 25
27
V
IN
GND
1μH
GND
V
OUT
C
OUT
+
C
IN
+
12
26
1
L1
SYNC OUT
LOAD
REMOTE SENSE (+)
REMOTE SENSE (-)
VID1
VID2
VID3
VID4
PROGRAMMING PINS
VID0
2
3
4
STBY*
5
6
For STBY* pin; open = output enabled; ground = output
disabled.
S e r i e s
10 AMP PROGRAMMABLE INTEGRATED
SWITCHING REGULATOR
P T 7 6 0 0
Features
Single-Device: +5V input
5-bit Programmable:
1.3V to 3.5V@10A
High Efficiency
Input Voltage Range:
4.5V to 5.5V
Differential Remote Sense
27-pin SIP Package
The PT7600 is a new series of high-
performance, 10 Amp Integrated Switching
Regulators (ISRs) housed in a 27-pin SIP pack-
age. The 10A capability allows easy integration of
the latest high-speed, low-voltage μPs and bus
drivers into existing 5V systems.
The output voltage of the PT7600 is easily
programmed with a 5 bit input compatible with
Intel’s Pentium
II Processor from 1.3V to 3.5V
A differential remote sense is also provided which
automatically compensates for any voltage drop
from the ISR to the load.
1200μF of output capacitance are required for
proper operation.
For assistance or to order, call
(800) 531-5782
Power Trends, Inc.
27715 Diehl Road, Warrenville, IL 60555
(800) 531-5782
Fax: (630) 393-6902
http://www.powertrends.com
36
Pin Function
1
VID0
2
VID1
3
VID2
4
VID3
5
STBY* - Stand-by
6
VID4
7
V
in
8
V
in
9
V
in
Pin Function
10
V
in
11
V
in
12
Remote Sense Gnd
13
GND
14
GND
15
GND
16
GND
17
GND
18
GND
Pin Function
19
GND
20
V
out
21
V
out
22
V
out
23
V
out
24
V
out
25
V
out
26
Remote Sense V
out
27
Do not connect
Specifications
Characteristics
(T
a
= 25°C unless noted)
Output Current
PT7600 SERIES
Min
0.1
*
0.1
*
4.5
**
Symbols
I
o
Conditions
T
a
= +60°C, 200 LFM, pkg N
T
a
= +25°C, natural convection
0.1A
≤
I
o
≤
10A
V
= +5V, I
= 10A
0°C
≤
T
a
≤
+55°C
4.5V
≤
V
in
≤
5.5V, I
o
= 10A
V
in
= +5V, 0.1
≤
I
o
≤
10A
V
in
= +5V, I
o
= 10A
I
o
step between 5A and 10A
V
o
over/undershoot
V
in
= +5V, I
o
= 10A
Typ
—
—
—
Max
10
10
5.5
Units
A
A
V
Input Voltage Range
Output Voltage Tolerance
V
in
V
o
V
o
-0.03
—
V
o
+0.03
V
Line Regulation
Load Regulation
V
o
Ripple/Noise pk-pk
Transient Response
with C
out
= 1200μF
Efficiency
Reg
line
Reg
load
V
n
t
tr
V
os
η
—
—
—
—
—
—
—
—
—
—
±10
±10
50
100
200
80
78
75
69
65
—
—
—
—
—
—
—
—
—
—
mV
mV
mV
μSec
mV
%
%
%
%
%
V
o
= 3.3V
V
o
= 2.9V
V
o
= 2.5V
V
o
= 1.8V
V
o
= 1.5V
Switching Frequency
o
4.5V
≤
V
in
≤
5.5V
0.1A
≤
I
o
≤
10A
650
700
750
kHz
Absolute Maximum
Operating Temperature Range
Recommended Operating
Temperature Range
Storage Temperature
Mechanical Shock
T
a
0
—
+85
°C
T
a
Forced Air Flow = 200 LFM
Over V
in and
I
o
Ranges
—
Per Mil-STD-883D, Method 2002.3
1 msec, Half Sine, mounted to a fixture
Per Mil-STD-883D, Method 2007.2,
20-2000 Hz, Soldered in a PC board
Vertical/Horizontal
0
—
+65***
°C
T
s
-40
—
+125
°C
—
500
—
G’s
Mechanical Vibration
—
10
—
G’s
Weight
* ISR-will operate down to no load with reduced specifications. Please note that this product is not short-circuit protected.
** The minimum input voltage is 4.5V or V
out
+1.2V, whichever is greater.
*** See SOA curves.
Output Capacitors:
The PT7600 series requires a minimum output capacitance of 1200μF for proper operation. Do not use Oscon type capacitors.The maximum allowable
output capacitance is 7,500μF. See Capacitor Application Note.
Input Filter:
An input filter is optional for most applications. The input inductor must be sized to handle 10ADC with a typical value of 1μH. The input capacitance must be rated for
a minimum of 1.0 Arms of ripple current. For transient or dynamic load applications, additional capacitance may be required.
—
—
31/41
—
grams
Application Notes
Mechanical Outline
Product Selector Guide
Revised 5/15/98
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