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CS3972YTVA5 데이터시트 PDF




Cherry Semiconductor Corporation에서 제조한 전자 부품 CS3972YTVA5은 전자 산업 및 응용 분야에서
광범위하게 사용되는 반도체 소자입니다.


 

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부품번호 CS3972YTVA5 기능
기능 1.25A High Efficiency Switching Regulator
제조업체 Cherry Semiconductor Corporation
로고 Cherry Semiconductor Corporation 로고


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CS3972YTVA5 데이터시트, 핀배열, 회로
CS4101
Precision Air-Core Tach/Speedo Driver
with Separate Function Generator Input
Description
Features
The CS4101 is specifically designed
for use with air-core meter move-
ments. The IC provides all the func-
tions necessary for an analog
tachometer or speedometer. The
CS4101 takes a speed sensor input
and generates sine and cosine relat-
ed output signals to differentially
drive an air-core meter.
Many enhancements have been
added over industry standard
tachometer drivers such as the
CS-289 or LM1819. The output uti-
lizes differential drivers which elim-
inates the need for a zener reference
and offers more torque. The device
withstands 60V transients which
decreases the protection circuitry
required. The device is also more
precise than existing devices allow-
ing for fewer trims and for use in a
speedometer.
s Direct Sensor Input
s High Output Torque
s Low Pointer Flutter
s High Input Impedance
s Overvoltage Protection
Absolute Maximum Ratings
Supply Voltage (<100ms pulse transient) .........................................VCC = 60V
(continuous)..............................................................VCC = 24V
Operating Temperature .............................................................Ð40¡C to +105¡C
Storage Temperature..................................................................Ð40¡C to +165¡C
Junction Temperature .................................................................Ð40¡C to+150¡C
ESD (Human Body Model) .............................................................................4kV
Lead Temperature Soldering
Wave Solder(through hole styles only).............10 sec. max, 260¡C peak
Block Diagram
BIAS
CP+
SQOUT
FREQIN
Gnd
Gnd
COS+
COS-
VCC
Charge Pump
Input
Comp.
+
Ð
Voltage
Regulator
VREG
7.0V
COS
Output
+
Ð
Func.
Gen.
High Voltage
Protection
Ð
+
SINE
Output
+
Ð
F/VOUT
CP-
FGEN
VREG
Gnd
Gnd
SINE+
SINE-
Package Option
20 Lead PDIP
CP+ 1
SQOUT 2
FREQIN 3
BIAS 4
Gnd 5
Gnd 6
NC 7
COS+ 8
COS- 9
VCC 10
20 CP-
19 F/VOUT
18 VREG
17 NC
16 Gnd
15 Gnd
14 NC
13 SIN+
12 SIN-
11 FGEN
Rev 11/20/98
Cherry Semiconductor Corporation
2000 South County Trail, East Greenwich, RI 02818
Tel: (401)885-3600 Fax: (401)885-5786
Web Site: www.cherry-semi.com
1 A ¨ Company




CS3972YTVA5 pdf, 반도체, 판매, 대치품
Typical Performance Characteristics continued
Figure 3: Output Angle in Polar Form
(VSINE+) - (VSINE-)
7V
Q Angle
Ð7V +7V
(VCOS+) - (VCOS-)
[ ]Q = ARCTAN
VSIN+ Ð VSIN-
VCOS+ Ð VCOS-
-7V
1.50
1.25
1.00
0.75
0.50
0.25
0.00
-0.25
-0.50
-0.75
-1.00
-1.25
-1.50
0
Figure 4: Nominal Output Deviation
45 90 135 180 225 270 315
Theoretical Angle (°)
Nominal Angle vs. Ideal Angle (After calibrating at 180¡)
Note: Temperature, voltage and nonlinearity not included.
45
40
35
30
25
20
Ideal Degrees
15
Nominal Degrees
10
5
0
1 5 9 13 17 21 25 29 33 37 41 45
Nominal Angle (Degrees)
Table 1: Function Generator Output Nominal Angle vs. Ideal Angle (After calibrating at 270¡)
Ideal Q Nominal
Degrees Q Degrees
Ideal Q Nominal
Degrees Q Degrees
Ideal Q Nominal
Degrees Q Degrees
Ideal Q Nominal
Degrees Q Degrees
Ideal Q Nominal
Degrees Q Degrees
00
1 1.09
2 2.19
3 3.29
4 4.38
5 5.47
6 6.56
7 7.64
8 8.72
9 9.78
10 10.84
11 11.90
12 12.94
13 13.97
14 14.99
15 16.00
16 17.00
17 17.98
18 18.96
19 19.92
20 20.86
21 21.79
22 22.71
23 23.61
24 24.50
25 25.37
26 26.23
27 27.07
28 27.79
29 28.73
30 29.56
31 30.39
32 31.24
33 32.12
34 33.04
75 74.00 160 159.14
35 34.00
80 79.16 165 164.00
36 35.00
85 84.53 170 169.16
37 36.04
90 90.00 175 174.33
38 37.11
95 95.47 180 180.00
39
38.21
100 100.84
185 185.47
40
39.32
105 106.00
190 190.84
41
40.45
110 110.86
195 196.00
42
41.59
115 115.37
200 200.86
43
42.73
120 119.56
205 205.37
44
43.88
125 124.00
210 209.56
45
45.00
130 129.32
215 214.00
50
50.68
135 135.00
220 219.32
55
56.00
140 140.68
225 225.00
60
60.44
145 146.00
230 230.58
65
64.63
150 150.44
235 236.00
70
69.14
155 154.63
240 240.44
Note: Temperature, voltage and nonlinearity not included.
4
Ideal Q Nominal
Degrees Q Degrees
245 244.63
250 249.14
255 254.00
260 259.16
265 264.53
270 270.00
275 275.47
280 280.84
285 286.00
290 290.86
295 295.37
300 299.21
305 303.02

4페이지










CS3972YTVA5 전자부품, 판매, 대치품
Speedometer/Odometer or Tachometer Application
Speedo
Input
R2
R3
CT
R4
C3
Battery
D1 R1
D2 C1 C2
1 CP+
CP- 20
2 SQOUT
3 FREQIN
4 BIAS
5 Gnd
6 Gnd
7 NC
F/VOUT 19
VREG 18
NC 17
Gnd 16
Gnd 15
NC 14
8 COS+
SIN+ 13
9 COS-
SINE- 12
10 VCC
FGEN 11
COSINE
SINE
C4+
RT
Figure 6
R1 - 3.9, 500mW
R2 - 10k½
R3 - 3k½
R4 - 1k½
RT - Trim Resistor +/- 20 PPM/DEG. C
C1 - 0.1µF
C2 - 1. Stand alone Speedo or Tach "0" µF
2. Stand alone Speedo or Tach with return to Zero, 2000µF
3. With CS-8441 application, 10µF
C3 - 0.1µF
Air Core
Gauge
200W
Speedometer
C4 - 0.47µF
CT - 0.0033µF, +/- 30 PPM/¡C
D1 - 1A, 600 PIV
D2 - 50V, 500mW Zener
Note 1: For 58% Speed Input TMAX ² 5/fMAX where
TMAX = CT(R3+R4)
fMAX = maximum speed input frequency
Speedo
Input
R2
R3
CT
C3
Battery
D1 R1
D2 C1
R4 1 CP+
CP- 20
2 SQOUT
3 FREQIN
4 BIAS
5 Gnd
6 Gnd
7 NC
F/VOUT 19
VREG 18
NC 17
Gnd 16
Gnd 15
NC 14
8 COS+
SIN+ 13
9 COS-
SINE- 12
10 VCC
FGEN 11
COSINE
SINE
C4+
Air Core
Gauge
200W
Speedometer
C2
1
CS8441
RT
Figure 7
Note 1: The product of CT and RT have a direct effect on
gain and therefore directly effect temperature
compensation
Note 2: C4 Range; 20pF to .2µF
Note 3: R4 Range; 100k½ to 500k½
Air Core
Stepper Motor
200W
Odometer
Note 4: The IC must be protected from transients above
60V and reverse battery conditions
Note 5: Additional filtering on the FREQIN lead may be
required
7

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관련 데이터시트

부품번호상세설명 및 기능제조사
CS3972YTVA5

1.25A High Efficiency Switching Regulator

Cherry Semiconductor Corporation
Cherry Semiconductor Corporation

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