1993_Motorola_Linear_Interface_ICs_Vol_2.pdf

MAXIMUM RATINGS
MC33092
Rating Symbol Value Unit
Power Supply Voltage Vbat 24 V
Load Dump Transient Voltage (Note 1) +Vmax 40 V
Negative Voltage (Note 2) -Vmin -2.5 V
Power Dissipation and Thermal Characteristics
Maximum Power Dissipation @ TA = 125°C Po 867 mW
Thermal Resistance. Junction to Ambienl RBJA 75 °CIW
Operating Junction Temperature TJ +150 °C
Operaling Ambient Temperature Range TA -40 to +125 °C
Storage Temperature Range Tstg -45to +150 °C
ELECTRICAL CHARACTERISTICS (External components per Figure 1. TA = 25°C unless otherwise noted)
I Characteristic I Symbol I Min I Typ
DC CHARACTERISTICS
Regulation Voltage
(Determined by external resistor divider)
Regulation Voltage Temperature Coefficient
Suggested Battery Voltage Operating Range
Power Up/Down Threshold Voltage (Pin 3)
Standby Current.
Vbat = 12.8 V. Ignition off. TA = 25°C
Vbat = 12.8 V. Ignition off. - 40°C::;T ASI25°C
Zero Temperature Coefficient Reference Voltage. (Pin 8)
Band Gap Reference Voltage (Pin 20)
Band Gap Reference Temperature Coefficient
Sense Loss Threshold (Pin 2)
Phase Detection Threshold Voltage (Pin 10)
Phase Rotation Detection Frequency (Pin 10)
Undervoltage Threshold (Pin 19)
Overvoltage Threshold (Pin 2. or Pin 12 if Pin 2 is not used)
Load Dump Threshold (Pin 2. or Pin 12 if Pin 2 is not used)
SWITCHING CHARACTERISTICS
Fundamental Regulation Output Frequency. (Pin 17)
(Clock oscillator frequency divided by 4096)
Suggested Clock Oscillator Frequency Range. (Pin 9)
(Determined by externai resistor. RT. see Figure 6)
Duty Cycle. (Pin 17)
At Start-up
During Overvoltage Condition
Low/High RPM Transition Frequency. (Pin 10)
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)
NOTES: 1. 125 ms wide square wave pulse.
2. Maximum time = 2 minutes.
VReg - 14.85
TC -13 -11
Vbat 11.5 14.85
VPwr 0.5 1.2
lal - 1.3
la2 - -
Vref 0 1.1 1.25
Vref 1.7 2.0
TC -13 -11
SLoss(th) - 0.6
PTh 1.0 1.25
PRot - 36
VUV 1.0 1.25
VOV 1.09(Vretl 1.12(Vref)
VLD 1.33(Vretl 1.4(Vretl
f - 68
fosc 205 280
StartDC 27 29
OVDC 3.5 4.7
LRCFreq 247 273
LRCS 8.5 9.5
LRCF 34 38
LRCH 409 455
MOTOROLA LINEAR/INTERFACE ICs DEVICE DATA
10-55
Max Unit
- V
-9.0 mV/oC
16.5 V
2.0 V
2.0 rnA
3.0 rnA
1.4 V
2.3 V
-9.0 mV/oC
1.0 V
1.5 V
- Hz
1.5 V
1.16(Vref) V
1.48(Vref) V
- Hz
350 kHz
31 %
5.5 %
309 Hz
10.5 %/sec
42 o/oisec
501 o/oisec