參數(shù)資料
型號： CA1524E
廠商： INTERSIL CORP
元件分類： 穩(wěn)壓器
英文描述： Regulating Pulse Width Modulator
中文描述： 0.1 A SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, PDIP16
封裝： PLASTIC, DIP-16
文件頁數(shù)： 3/16頁
文件大?。?/td> 206K
代理商： CA1524E
3
Specifications CA1524, CA2524, CA3524
Absolute Maximum Ratings
Thermal Information
Input Voltage (Between V
IN
and GND Terminals). . . . . . . . . . . . 40V
Operating Voltage Range (V
IN
to GND) . . . . . . . . . . . . . . . .8 to 40V
Output Current Each Output:
(Terminal 11, 12 or 13, 14) . . . . . . . . . . . . . . . . . . . . . . . . .100mA
Output Current (Reference Regulator) . . . . . . . . . . . . . . . . . . .50mA
Oscillator Charging Current . . . . . . . . . . . . . . . . . . . . . . . . . . . .5mA
Thermal Resistance
Plastic DIP Package . . . . . . . . . . . . . . . . . . . . . . . .
Device Dissipation
Up to T
A
= +25
o
C. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.25W
Above T
A
= +25
o
C . . . . . . . . . . . . . . .Derate Linearly at 10mW/
o
C
Operating Temperature Range . . . . . . . . . . . . . . . .-55
o
C to +125
o
C
Storage Temperature Range. . . . . . . . . . . . . . . . . .-65
o
C to +150
o
C
Lead Temperature (During Soldering)
At distance 1/16
±
in. (1.59mm
±
0.79mm)
from case for 10s Max. . . . . . . . . . . . . . . . . . . . . . . . . . . . +265
o
C
θ
JA
100
o
C/W
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation
of the device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
Electrical Specifications
T
A
= -55
0
C to +125
o
C for CA1524, 0
o
C to +70
o
C for the CA2524 and CA3524; V+ = 20V and
f = 20kHz, Unless Otherwise Stated.
PARAMETER
TEST CONDITIONS
CA1524, CA2524
CA3524
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
REFERENCE SECTION
Output Voltage
4.8
5
5.2
4.6
5
5.4
V
Line Regulation
V+ = 8 to 40V
-
10
20
-
10
30
mV
Load Regulation
I
L
= 0 to 20mA
f = 120Hz, T
A
= 25
o
C
V
REF
= 0, T
A
= 25
o
C
-
20
50
-
20
50
mV
Ripple Rejection
-
66
-
-
66
-
db
Short Circuit Current Limit
-
100
-
-
100
-
mA
Temperature Stability
Over Operating Temperature
Range
-
0.3
1
-
0.3
1
%
Long Term Stability
T
A
= 25
o
C
-
20
-
-
20
-
mV/khr
OSCILLATOR SECTION
Maximum Frequency
C
T
= 0.001
μ
F, R
T
= 2K
-
300
-
-
300
-
kHz
Initial Accuracy
R
T
and C
T
Constant
V+ = 8 to 40V, T
A
= 25
o
C
-
5
-
-
5
-
%
Voltage Stability
-
-
1
-
-
1
%
Temperature Stability
Over Operating Temperature
Range
-
-
2
-
-
2
%
Output Amplitude
Terminal 3, T
A
= 25
o
C
C
T
= 0.01
μ
F, T
A
= 25
o
C
-
3.5
-
-
3.5
-
V
Output Pulse Width (Pin 3)
-
0.5
-
-
0.5
-
μ
s
Ramp Voltage Low (Note 1)
Pin 7
-
0.6
-
-
0.6
-
V
Ramp Voltage High (Note 1)
Pin 7
-
3.5
-
-
3.5
-
V
Capacitor Charging Current Range
Pin 7 (5-2 V
BE
)/R
T
0.03
-
2
0.03
-
2
mA
Timing Resistance Range
Pin 6
1.8
-
120
1.8
-
120
k
Charging Capacitor Range
Pin 7
0.001
-
0.1
0.001
-
0.1
μ
F
Dead Time Expansion Capacitor on
Pin 3 (when a small osc. cap is used)
Pin 3
100
-
1000
100
-
1000
pF
ERROR AMPLIFIER SECTION
Input Offset Voltage
V
CM
= 2.5V
-
0.5
5
-
2
10
mV
Input Bias Current
V
CM
= 2.5V
-
1
10
-
1
10
μ
A
Open Loop Voltage Gain
72
80
-
60
80
-
dB
Common Mode Voltage
T
A
= 25
o
C
T
A
= 25
o
C
A
V
= 0dB, T
A
= 25
o
C
1.8
-
3.4
1.8
-
3.4
V
Common Mode Rejection Ratio
-
70
-
-
70
-
dB
Small Signal Bandwidth
-
3
-
-
3
-
MHz
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