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参数资料
| 型号： | MC33092A |
| 厂商： | 飞思卡尔半导体(中国)有限公司 |
| 英文描述： | Alternator Voltage Regulator(交流稳压器) |
| 中文描述： | 发电机电压调节器（交流稳压器） |
| 文件页数： | 2/12页 |
| 文件大小： | 292K |
| 代理商： | MC33092A |
2
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Power Supply Voltage
Load Dump Transient Voltage (Note 1)
Negative Voltage (Note 2)
V
bat
+V
max
–V
min
24
40
–2.5
V
V
V
Power Dissipation and Thermal Characteristics
Maximum Power Dissipation @ T
A
= 125
°
C
Thermal Resistance, Junction–to–Ambient
P
D
R
θ
JA
867
75
mW
°
C/W
Operating Junction Temperature
T
J
+150
°
C
Operating Ambient Temperature Range
T
A
–35 to +125
°
C
Storage Temperature Range
T
stg
–45 to +150
°
C
NOTE:
ESD data available upon request.
ELECTRICAL CHARACTERISTICS
(External components per Figure 1, T
A
= 25
°
C, unless otherwise noted).
Characteristic
Symbol
Min
Typ
Max
Unit
DC CHARACTERISTICS
Regulation Voltage
(Determined by external resistor divider)
V
Reg
–
14.85
–
V
Regulation Voltage Temperature Coefficient
T
C
V
bat
–13
–11
– 9.0
mV/
°
C
Suggested Battery Voltage Operating Range
11.5
14.85
16.5
V
Power Up/Down Threshold Voltage (Pin 3)
V
Pwr
0.5
1.2
2.0
V
Standby Current,
V
bat
= 12.8 V, Ignition off, T
A
= 25
°
C
V
bat
= 12.8 V, Ignition off, –35
°
C
≤
T
A
≤
125
°
C
Zero Temperature Coefficient Reference Voltage, (Pin 8)
I
Q1
I
Q2
V
ref
V
ref
TC
–
–
1.3
–
2.0
3.0
mA
mA
1.1
1.25
1.4
V
Band Gap Reference Voltage (Pin 20)
1.7
2.0
2.3
V
Band Gap Reference Temperature Coefficient
–13
–11
– 9.0
mV/
°
C
Sense Loss Threshold (Pin 2)
S
Loss(th)
–
0.6
1.0
V
Phase Detection Threshold Voltage (Pin 10)
P
Th
P
Rot
V
UV
V
OV
1.0
1.25
1.5
V
Phase Rotation Detection Frequency (Pin 10)
–
36
–
Hz
Undervoltage Threshold (Pin 19)
1.0
1.25
1.5
V
Overvoltage Threshold (Pin 2, or Pin 12 if Pin 2 is not used)
1.09(V
ref
)
1.12(V
ref
)
1.16(V
ref
)
V
Load Dump Threshold (Pin 2, or Pin 12 if Pin 2 is not used)
V
LD
1.33(V
ref
)
1.4(V
ref
)
1.48(V
ref
)
V
SWITCHING CHARACTERISTICS
Fundamental Regulation Output Frequency, (Pin 17)
(Clock oscillator frequency divided by 4096)
f
–
68
–
Hz
Suggested Clock Oscillator Frequency Range, (Pin 9)
(Determined by external resistor, R
T
, see Figure 6)
f
osc
205
280
350
kHz
Duty Cycle (Pin 17)
At Start–up
During Overvoltage Condition
Start
DC
OV
DC
27
3.5
29
4.7
31
5.5
%
%
Low/High RPM Transition Frequency (Pin 10)
LRC
Freq
247
273
309
Hz
LRC Duty Cycle Increase Rate
Low RPM Mode (LRC
Freq
< 247 Hz),
Pin 11 = Open (Slow Rate)
Low RPM Mode (LRC
Freq
< 247 Hz),
Pin 11 = Grounded (Fast Rate)
High RPM Mode (LRC
Freq
> 309 Hz),
Pin 11 = Don’t Care (LRC Mode is disabled)
LRC
S
8.5
9.5
10.5
%/sec
LRC
F
34
38
42
%/sec
LRC
H
409
455
501
%/sec
NOTES:
1.125 ms wide square wave pulse.
2.Maximum time = 2 minutes.
F
Freescale Semiconductor, Inc.
For More Information On This Product,
Go to: www.freescale.com
n
.
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