MC34065−H, L
MAXIMUM RATINGS
Rating
Power Supply Voltage
Output Current, Source or Sink (Note 1)
Output Energy (Capacitive Load per Cycle)
Current Sense, Enable, and Voltage Feedback Inputs
Sync Input
High State (Voltage)
Low State (Reverse Current)
Error Amp Output Sink Current
Power Dissipation and Thermal Characteristics
DW Suffix, Plastic Package Case 751G
Maximum Power Dissipation @ TA = 25°C
Thermal Resistance, Junction−to−Air
Symbol
VCC
IO
W
Vin
VIH
IIL
IO
Value
20
400
5.0
− 0.3 to +5.5
+5.5
− 5.0
10
Unit
V
mA
μJ
V
V
mA
mA
PD
862
mW
RθJA
145
°C/W
P Suffix, Plastic Package Case 648
Maximum Power Dissipation @ TA = 25°C
Thermal Resistance, Junction−to−Air
Operating Junction Temperature
Operating Ambient Temperature (Note 3)
MC34065
MC33065
PD
RθJA
TJ
TA
1.25
100
+150
0 to +70
− 40 to +85
mW
°C/W
°C
°C
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 to [Note 3].)
Characteristics
Symbol Min
Typ
Max Unit
REFERENCE SECTION
Reference Output Voltage (IO = 1.0 mA, TJ = 25°C)
Line Regulation (VCC = 11 V to 20 V)
Load Regulation (IO = 1.0 mA to 10 mA, VCC = 20 V)
Total Output Variation over Line, Load, and Temperature
Output Short Circuit Current
OSCILLATOR AND PWM SECTIONS
Total Frequency Variation over Line and Temperature
VCC = 11 V to 20 V, TA = Tlow to Thigh
MC34065
MC33065
Frequency Change with Voltage (VCC = 11 V to 20 V)
Duty Cycle at each Output
Maximum
Minimum
Sync Input Current
High State (Vin = 2.4 V)
Low State (Vin = 0.8 V)
ERROR AMPLIFIERS
Voltage Feedback Input (VO = 2.5 V)
Input Bias Current (VFB = 5.0 V)
Open Loop Voltage Gain (VO = 2.0 V to 4.0 V)
Unity Gain Bandwidth (TJ = 25°C)
Power Supply Rejection Ratio (VCC = 11 V to 20 V)
Vref
4.85
5.0
5.13
V
Regline
−
2.0
20
mV
Regload
−
3.0
25
mV
Vref
4.8
−
5.15
V
ISC
30
100
−
mA
fosc
kHz
46.5
49
51.5
45
49
53
Δfosc/ΔV
−
0.2
1.0
%
DCmax
DCmin
IIH
IIL
%
46
49.5
52
−
−
0
μA
−
170
250
−
80
160
VFB
IIB
AVOL
BW
PSRR
2.45
2.5
2.55
V
−
− 0.1 − 1.0
μA
65
100
−
dB
0.7
1.0
−
MHz
60
90
−
dB
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