Description: High Performance Dual Channel Current Mode Controller
Company: Motorola Semiconductor Products

MAXIMUM RATINGS
Rating Symbol Value Unit
Total Power Supply and Zener Current (ICC + IZ) 50 mA
Output Current, Source or Sink (Note 1) IO 1.0 A
Output Energy (Capacitive Load per Cycle) W 5.0 µJ
Current Sense, Enable, and Voltage Feedback Inputs Vin –0.3 to +5.5 V
Sync Input
High State (Voltage) VIH 5.5 V
Low State (Reverse Current) IIL –5.0 mA
Error Amp Output Sink Current IO 10 mA
Power Dissipation and Thermal Characteristics
DW Suffix, Plastic Package Case 751G
Maximum Power Dissipation TA = 25°C PD 862 mW
Thermal Resistance, Junction–to–Air RθJA 145 °C/W
P Suffix, Plastic Package Case 648
Maximum Power Dissipation TA = 25°C PD 1.25 W
Thermal Resistance, Junction–to–Air RθJA 100 °C/W
Operating Junction Temperature TJ +150 °C
Operating Ambient Temperature TA °C
MC34065 0 to +70
MC33065 –40 to +85
Storage Temperature Range Tstg –65 to +150 °C

ELECTRICAL CHARACTERISTICS (VCC = 15 V [Note 2], RT = 8.2 kΩ, CT = 3.3 nF, for typical values TA = 25°C, for
min/max values TA is the operating ambient temperature range that applies [Note 3].)
Characteristics Symbol Min Typ Max Unit
REFERENCE SECTION
Reference Output Voltage (IO = 1.0 mA, TJ = 25°C) Vref 4.9 5.0 5.1 V
Line Regulation (VCC = 11 V to 15 V) Regline – 2.0 20 mV
Load Regulation (IO = 1.0 mA to 10 mA) Regload – 3.0 25 mV
Total Output Variation over Line, Load, and Temperature Vref 4.85 – 5.15 V
Output Short Circuit Current ISC 30 100 – mA
OSCILLATOR AND PWM SECTIONS
Total Frequency Variation over Line and Temperature fosc kHz
VCC = 11 V to 15 V, TA = Tlow to Thigh
MC34065 46.5 49 51.5
MC33065 45 49 53
Frequency Change with Voltage (VCC = 11 V to 15 V) ∆fosc/∆V – 0.2 1.0 %
Duty Cycle at each Output %
Maximum DCmax 46 49.5 52
Minimum DCmin – – 0
Sync Input Current µA
High State (Vin = 2.4 V) IIH – 170 250
Low State (Vin = 0.8 V) IIL – 80 160