CA3240, CA3240A
V+
2N6385
2
DARLINGTON
3
10K
8
75Ω
1/2 - 2
3K
1
CA3240E
+3
VI = 30V
2.7K
+
-
2000µF
50V
10
11
CA3086E
9
TRANSISTOR
8
ARRAY
7
6
1
2.2K
2
1
3
5
4
100Ω
4
100K
0.056µF
1N914
+ 5µF
- 16V
14
12
100K
100K
V+
8
6-
1/2
CA3240E
7
5+
13
1K
820Ω
680K
50K
6.2K
CHASSIS GROUND
100K
1Ω
1W
VO RANGE = 20mV TO 25V
LOAD REGULATION:
VOLTAGE <0.08%
CURRENT <0.05%
OUTPUT HUM AND NOISE ≤ 150µVRMS
(10MHz BANDWIDTH)
SINE REGULATION ≤ 0.1%/VO
IO RANGE = 10mA - 1.3A
FIGURE 7. CONSTANT-VOLTAGE/CONSTANT-CURRENT POWER SUPPLY
VO
IO
180K
+
-
500
µF
82K
Top Trace: Output Voltage;
500mV/Div., 5µs/Div.
Bottom Trace: Collector Of Load Switching Transistor
Load = 100mA to 1A; 5V/Div., 5µs/Div.
FIGURE 8. TRANSIENT RESPONSE
9
FN1050.6
March 4, 2005