MC33092A
2
MOTOROLA ANALOG IC DEVICE DATA
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
Power Supply Voltage
Load Dump Transient Voltage (Note 1)
Negative Voltage (Note 2)
Vbat
+Vmax
–Vmin
24
40
–2.5
V
V
V
Power Dissipation and Thermal Characteristics
Maximum Power Dissipation @ TA = 125
°
C
Thermal Resistance, Junction–to–Ambient
PD
R
θ
JA
TJ
TA
Tstg
867
75
mW
°
C/W
Operating Junction Temperature
+150
°
C
Operating Ambient Temperature Range
–35 to +125
°
C
Storage Temperature Range
–45 to +150
°
C
NOTE:
ESD data available upon request.
ELECTRICAL CHARACTERISTICS
(External components per Figure 1, TA = 25
°
C, unless otherwise noted).
Characteristic
Symbol
Min
Typ
Max
Unit
DC CHARACTERISTICS
Regulation Voltage
(Determined by external resistor divider)
VReg
–
14.85
–
V
Regulation Voltage Temperature Coefficient
TC
Vbat
VPwr
–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)
0.5
1.2
2.0
V
Standby Current,
Vbat = 12.8 V, Ignition off, TA = 25
°
C
Vbat = 12.8 V, Ignition off, –35
°
C
≤
TA
≤
125
°
C
Zero Temperature Coefficient Reference Voltage, (Pin 8)
IQ1
IQ2
Vref
Vref
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)
SLoss(th)
PTh
PRot
VUV
VOV
VLD
–
0.6
1.0
V
Phase Detection Threshold Voltage (Pin 10)
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(Vref)
1.33(Vref)
1.12(Vref)
1.4(Vref)
1.16(Vref)
1.48(Vref)
V
Load Dump Threshold (Pin 2, or Pin 12 if Pin 2 is not used)
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, RT, see Figure 6)
Duty Cycle (Pin 17)
At Start–up
During Overvoltage Condition
fosc
205
280
350
kHz
StartDC
OVDC
27
3.5
29
4.7
31
5.5
%
%
Low/High RPM Transition Frequency (Pin 10)
LRCFreq
247
273
309
Hz
LRC Duty Cycle Increase Rate
Low RPM Mode (LRCFreq < 247 Hz),
Pin 11 = Open (Slow Rate)
Low RPM Mode (LRCFreq < 247 Hz),
Pin 11 = Grounded (Fast Rate)
High RPM Mode (LRCFreq > 309 Hz),
Pin 11 = Don’t Care (LRC Mode is disabled)
LRCS
8.5
9.5
10.5
%/sec
LRCF
34
38
42
%/sec
LRCH
409
455
501
%/sec
NOTES:
1.125 ms wide square wave pulse.
2.Maximum time = 2 minutes.