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參數(shù)資料
| 型號： | CA3524E |
| 廠商： | HARRIS SEMICONDUCTOR |
| 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 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大小： | 206K |
| 代理商： | CA3524E |
4
Specifications CA1524, CA2524, CA3524
Output Voltage
T
A
= 25
o
C
0.5
-
3.8
0.5
-
3.8
V
Amplifier Pole
-
250
-
-
250
-
Hz
Pin 9 Shutdown Current
External Sink
-
200
-
-
200
-
μ
A
COMPARATOR SECTION
Duty Cycle
% Each Output On
0
-
45
0
-
45
%
Input Threshold
Zero Duty Cycle
-
1
-
-
1
-
V
Input Threshold
Max. Duty Cycle
-
3.5
-
-
3.5
-
V
Input Bias Current
-
1
-
-
1
-
μ
A
CURRENT LIMITING SECTION
Sense Voltage for 25% Output Duty
Cycle
Terminal 9 = 2V with Error
Amplifier Set for Max Out,
T
A
= 25
o
C
190
200
210
180
200
220
mV
Sense Voltage T.C.
-
0.2
-
-
0.2
-
mV/
o
C
Common Mode Voltage
-1
-
+1
-1
-
+1
V
Rolloff Pole of R51 C3 + Q64
-
300
-
-
300
-
Hz
OUTPUT SECTION (EACH OUTUT)
Collector-Emitter Voltage
40
-
-
40
-
-
V
Collector Leakage Current
V
CE
= 40V
-
0.1
50
-
0.1
50
μ
A
Saturation Voltage
V+ = 40V, I
C
= 50mA
-
0.8
2
-
0.8
2
V
Emitter Output Voltage
V+ = 20V
17
18
-
17
18
-
V
Rise Time
R
C
= 2K
, T
A
= 25
o
C
R
C
= 2K
, T
A
= 25
o
C
-
0.2
-
-
0.2
-
μ
s
Fall Time
-
0.1
-
-
0.1
-
μ
s
Total Standby Current: (Note 2) I
S
V+ = 40V
-
4
10
-
4
10
mA
NOTES:
1. Ramp voltage at Pin 7
where
t = OSC period in microseconds
t
R
T
C
T
with C
T
in microfarads and R
T
in ohms.
Output frequency at each output transistor is half OSC frequency when each output is used separately and is equal to the OSC frequency
when each output is connected in parallel.
2. Excluding oscillator charging current, error and current limit dividers, and with outputs open.
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. (Continued)
PARAMETER
TEST CONDITIONS
CA1524, CA2524
CA3524
UNITS
MIN
TYP
MAX
MIN
TYP
MAX
High
Low
t
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