ICL3238 查看數據表（PDF） - Intersil
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ICL3238 Datasheet PDF : 18 Pages
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ICL3224, ICL3226, ICL3238, ICL3244
Typical Operating Circuits (Continued)
ICL3238
+3.3V
C1
0.1µF
NOTE 3 C2
0.1µF
+
0.1µF
28
+ C1+
25 C1-
+ 1 C2+
3 C2-
24
26
VCC
T1
C3 (OPTIONAL
CONNECTION, NOTE 2)
V+
27
+
C3
0.1µF
V- 4
5
NOTE 3
C4
+0.1µF
T1IN
23
T1OUT
T2
6
T2IN
22
T3IN
19
T2OUT
T3
7
RS-232
T3OUT LEVELS
T3
10
T4IN
17
T4OUT
T4
12
TTL/CMOS
LOGIC
LEVELS
T5IN
16
R1OUTB
21
T5OUT
8
R1OUT
R1
R1IN
5kΩ
20
R2OUT
9
RS-232
R2
5kΩ R2IN
LEVELS
18
R3OUT
R3
13
FORCEON
11
5kΩ R3IN
VCC
TO POWER
CONTROL
LOGIC
14
FORCEOFF
15
INVALID GND
2
ICL3244
+3.3V
C1
0.1µF
C2
0.1µF
+
0.1µF
28
+ C1+
24 C1-
+ 1 C2+
2 C2-
14
T1IN
13
T2IN
12
T3IN
20
26
VCC
T1
T2
T3
R2OUTB
19
TTL/CMOS
R1OUT
R1
LOGIC
LEVELS
18
R2OUT
R2
17
R3OUT
R3
16
R4OUT
R4
15
R5OUT23
R5
FORCEON
VCC
TO POWER
CONTROL LOGIC
22
FORCEOFF
21
INVALID GND
25
V+
27 + C3
0.1µF
V- 3
9
C4
0.1µF
+
T1OUT
10
T2OUT
11
RS-232
LEVELS
T3OUT
4
R1IN
5kΩ
5
5kΩ
R2IN
6
5kΩ
R3IN
7
5kΩ
R4IN
8
5kΩ R5IN
RS-232
LEVELS
NOTES:
1. THE NEGATIVE TERMINAL OF C3 CAN BE CONNECTED TO EITHER
VCC OR GND.
2. FOR VCC = 3.15V (3.3V -5%), USE C1 - C4 = 0.1µF OR GREATER. FOR
VCC = 3.0V (3.3V -10%), USE C1 - C4 = 0.22µF.
5
FN4876.10
March 1, 2006
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