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參數(shù)資料
| 型號： | CA1523E |
| 廠商： | INTERSIL CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | RADIATION HARDENED HIGH EFFICIENCY, 5 AMP SWITCHING REGULATORS |
| 中文描述： | SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDIP14 |
| 封裝： | PLASTIC, DIP-14 |
| 文件頁數(shù)： | 1/6頁 |
| 文件大小： | 59K |
| 代理商： | CA1523E |
7-11
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
407-727-9207
|
Copyright
Intersil Corporation 1999
CA1523
Voltage Regulator Control Circuit
for Variable Switching Regulator
Description
The CA1523 monolithic silicon integrated circuit is a variable
interval pulse regulator designed to provide the control cir-
cuitry for use in switching regulator circuits. It operates from
11V to 15V.
The regulator provides a single output drive capable of
300mA source/200mA sink. The maximum operating fre-
quency is better than 200kHz. An attractive feature of the
CA1523 is that the timing capacitor charge and discharge
current is set up externally via a single resistor. The ratio of
charge to discharge current is internally set at a maximum of
2 to 1 allowing simultaneous change in output pulse width
with increased frequency at higher load. The pulse width
variation at higher frequencies effectively compensates for
the losses in magnetics and thereby increases the power
supply efficiency at higher load end by as much as 20
percent.
Features
Operates up to 200kHz
Pins ESD Protected
Remote ON/OFF
Slow Start with Reset
Overcurrent Sensing
Lower Peak Currents than PWM Regulator
- Less Prone to Magnetic Saturation
Ordering Information
PART
NUMBER
TEMPERATURE
RANGE
PACKAGE
CA1523E
0
o
C to +70
o
C
14 Lead Plastic DIP
File Number
1785.2
April 1994
Pinout
CA1523 (PDIP)
TOP VIEW
ERROR
CURRENT SENSE
GND
RISE TIME
OUTPUT GND
OUTPUT
V
CC
TIMING
ZENER
ON/OFF
OVER CURRENT
SLOW START
LOGIC OUTPUT
NC
1
2
3
4
5
6
7
14
13
12
11
10
9
8
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