MC34261 Datasheet, PDF (2/13 Pages) Motorola, Inc – POWER FACTOR CONTROLLERS

MC34261, MC33261
MAXIMUM RATINGS
Rating
Total Power Supply and Zener Current
Output Current, Source or Sink (Note 1)
Current Sense, Multiplier, and Voltage Feedback Inputs
Zero Current Detect Input
High State Forward Current
Low State Reverse Current
Symbol
(I_CC + I_Z)
I_O
V_in
I_in
Value
Unit
30
mA
500
mA
−1.0 to 10
V
mA
50
−10
Power Dissipation and Thermal Characteristics
P Suffix, Plastic Package Case 626
Maximum Power Dissipation @ T_A = 70°C
Thermal Resistance, Junction−to−Air
D Suffix, Plastic Package Case 626
Maximum Power Dissipation @ T_A = 70°C
Thermal Resistance, Junction−to−Air
Operating Junction Temperature
Operating Ambient Temperature (Note 3)
MC34261
MC33261
Storage Temperature
P_D
R_θJA
P_D
R_θJA
T_J
T_A
T_stg
800
100
450
178
+150
0 to +70
−40 to +85
−55 to +150
mW
°C/W
mW
°C/W
°C
°C
°C
ELECTRICAL CHARACTERISTICS (V_CC = 12 V, for typical values T_A = 25°C, for min/max values T_A is the operating ambient
temperature range that applies [Note 3], unless otherwise noted.)
Characteristic
Symbol
Min
Typ
Max
Unit
ERROR AMPLIFIER
Voltage Feedback Input Threshold
T_A = 25°C
T_A = T_low to T_high (V_CC = 12 V to 28 V)
Line Regulation (V_CC = 12 V to 28 V, T_A = 25°C)
Input Bias Current (V_FB = 0 V)
Open Loop Voltage Gain
Gain Bandwidth Product (T_A = 25°C)
Output Source Current (V_O = 4.0 V, V_FB = 2.3 V)
Output Voltage Swing
High State (I_Source = 0.2 mA, V_FB = 2.3 V)
Low State (I_Sink = 0.4 mA, V_FB = 2.7 V)
MULTIPLIER
Dynamic Input Voltage Range
Multiplier Input (Pin 3)
Compensation (Pin 2)
Input Bias Current (V_FB = 0 V)
Multiplier Gain (V_{Pin 3} = 0.5 V, V_{Pin 2} = V_FB + 1.0 V) (Note 2)
ZERO CURRENT DETECTOR
Input Threshold Voltage (V_in Increasing)
Hysteresis (V_in Decreasing)
Input Clamp Voltage
High State (I_DET = 3.0 mA)
Low State (I_DET = −3.0 mA)
V_FB
Reg_line
I_IB
A_VOL
GBW
I_Source
V_OH
V_OL
2.465
2.44
−
−
65
0.7
0.25
5.0
−
2.5
1.0
−0.3
85
1.0
0.5
5.7
2.1
2.535
2.54
10
−1.0
−
−
0.75
−
2.44
V_{Pin 3}
V_{Pin 2}
I_IB
K
V_th
V_H
V_IH
V_IL
0 to 2.5
V_FB to
(V_FB + 1.0)
−
0.4
0 to 3.5
V_FB to
(V_FB + 1.5)
−0.3
0.62
1.3
1.6
40
110
6.1
6.7
0.3
0.7
−
−
−1.0
0.8
1.8
200
−
1.0
V
mV
μA
dB
MHz
mA
V
V
μA
1/V
V
mV
V
NOTES: 1. Maximum package power dissipation limits must be observed.
Pin 4 Threshold Voltage
2. K =
V_{Pin 3}(V_{Pin 2} − V_FB)
3. T_low = −40°C for MC34261
3. T_low = −40°C for MC33261
T_high = +70°C for MC34261
T_high = +85°C for MC33261
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