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参数资料
| 型号： | PT6523D |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING REGULATOR, SIP14 |
| 封装： | SIP-14 |
| 文件页数： | 1/5页 |
| 文件大小： | 500K |
| 代理商： | PT6523D |
Power Trends, Inc. 27715 Diehl Road, Warrenville, IL 60555 (800) 531-5782 Fax: (630) 393-6902 http://www.powertrends.com
For assistance or to order, call (800) 531-5782
2
8A Single Device Power
Up to 92% efficiency (PT6521)
Small SIP Footprint
Standby Function
Internal Short-Circuit Protection
Adjustable Output Voltage
Soft Start
The PT6520 series is Power Trends’
new high performance +3.1 to 6V
input, 8 Amp, 14-Pin SIP (Single In-
line-Package) Integrated Switching
Regulator (ISR). This high-perfor-
mance ISR allows easy integration of
high-speed, low-voltage microproces-
sors, ASICs, DSPs and their support
logic into existing 3.3V or 5V systems
without redesigning the central power
supply. The high-performance PT6522
solves the problem of providing the low
terminating voltages required by BTL/
Futurebus+, CTT, HP, and GTL Buses
from existing 3.3V or 5V power rails
without redesigning the central power
supply.
Ordering Information
PT6521! = 3.3 Volts
PT6522! = 1.5 Volts
PT6523! = 2.5 Volts
PT6526! = 1.8 Volts
PT Series Suffix (PT1234X)
Case/Pin
Heat Tab Configuration
Configuration
None
Side
Vertical Through-Hole
PR
Horizontal Through-Hole
DG
Horizontal Surface Mount
EB
Standard Application
C1 = Required 330F electrolytic *
C2 = Required 330F electrolytic *
* See notes
PT6520
4,5,6
7,8,9,10
11,12,13
14
V
IN
COM
V
OUT
C
2
+
C
1
+
1
3
V
OADJ
STBY*
Q
1
REMOTE SENSE
LOAD
Pin-Out Information
8 AMP ADJUSTABLE ISR
WITH SHORT-CIRCUIT PROTECTION
PT6520
Series
Pin
Function
1
Remote Sense
2
Do not connect
3
STBY*-Standby
4Vin
5Vin
6Vin
7
GND
8
GND
9
GND
10
GND
11
Vout
12
Vout
13
Vout
14
Vout Adjust
Pkg Style 400
3.3V Input Bus Capable
Revised 12/17/99
Note: Back surface
of product is
conducting metal.
PT6520
Specifications
Characteristics
PT6520 SERIES
(T
a = 25
°C unless noted)
Symbols
Conditions
Min
Typ
Max
Units
Output Current
Io
Over Vin range
0.1 (1)
—8.0
A
Short Circuit Current Threshold
Isc
Vin=+5V, Ta
—
12.0
22.5
Apk
Input Voltage Range
Vin
0.1
≤ Io≤ 8.0A
Vo=3.3V
4.5
—
5.5
V
Vo=2.5V, 1.8V, 1.5V
3.1
—
5.5
Output Voltage Tolerance
Vo
Vin = +5V, Io = 8.0A
Vo-0.03
—
Vo+0.03
V
Ta = 0 to +70°C
Output Adjust Range
Vo
Vnom = 3.3V
Vadj = (PT6521)
2.75
—
3.75 (2)
Vnom = 1.5V
Vadj = (PT6522)
1.47
—
1.73 (2)
V
Vnom = 2.5V
Vadj = (PT6523)
2.25
—
2.85 (2)
Pin 14 to Pin1 or GND
Line Regulation
Regline
4.5V
≤ Vin ≤ 5.5V, Io = 8.0A
(PT6521)
—±5
±10
mV
3.1V
≤ Vin ≤ 5.5V, Io = 8.0A(PT6522/3/6)
Load Regulation
Regload
0.1
≤ Io ≤ 8.0A, Vin = +5V, w/remote sense
—
±5
±10
mV
Vo Ripple/Noise
Vn
Vin = +5V, Io = 8.0A
—
35
—
mVpp
Transient Response
ttr
Io step from 4A to 8.0A
—
50
—
sec
with Co = 330F
Vos
Vo over/undershoot
—
70
—
mV
Efficiency
η
Vin = +5V, Io = 3.0A
(PT6521)
—
92
—
(PT6522)
—
80
—
(PT6523)
—
88
—
%
Vin = +5V, Io = 8.0A
(PT6521)
—
89
—
(PT6522)
—
75
—
(PT6523)
—
85
—
Switching Frequency
o
Over Vin and Io ranges
300
350
400
kHz
Absolute Maximum
Ta
-40 (3)
—+85 (4)
°C
Operating Temperature Range
Storage Temperature
Ts
—
-40
—
+125
°C
(Continued)
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