MC33262D 查看數據表（PDF） - Motorola => Freescale
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MC33262D Datasheet PDF : 16 Pages
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MC34262 MC33262
MAXIMUM RATINGS
Rating
Symbol
Value
Unit
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
(ICC + IZ)
30
mA
IO
500
mA
Vin
–1.0 to +10 V
Iin
mA
50
–10
Power Dissipation and Thermal Characteristics
P Suffix, Plastic Package, Case 626
Maximum Power Dissipation @ TA = 70°C
Thermal Resistance, Junction–to–Air
D Suffix, Plastic Package, Case 751
Maximum Power Dissipation @ TA = 70°C
Thermal Resistance, Junction–to–Air
Operating Junction Temperature
Operating Ambient Temperature (Note 3)
MC34262
MC33262
PD
RθJA
PD
RθJA
TJ
TA
800
mW
100
°C/W
450
178
+150
0 to + 85
– 40 to +105
mW
°C/W
°C
°C
Storage Temperature
Tstg
– 65 to +150 °C
ELECTRICAL CHARACTERISTICS (VCC = 12 V (Note 2), for typical values TA = 25°C, for min/max values TA 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
TA = 25°C
TA = Tlow to Thigh (VCC = 12 V to 28 V)
VFB
V
2.465
2.5
2.535
2.44
—
2.54
Line Regulation (VCC = 12 V to 28 V, TA = 25°C)
Input Bias Current (VFB = 0 V)
Transconductance (TA = 25°C)
Output Current
Source (VFB = 2.3 V)
Sink (VFB = 2.7 V)
Regline
—
IIB
—
gm
80
IO
—
—
1.0
– 0.1
100
10
10
10
– 0.5
130
—
—
mV
µA
µmho
µA
Output Voltage Swing
High State (VFB = 2.3 V)
Low State (VFB = 2.7 V)
V
VOH(ea)
5.8
6.4
—
VOL(ea)
—
1.7
2.4
OVERVOLTAGE COMPARATOR
Voltage Feedback Input Threshold
VFB(OV)
1.065 VFB
1.08 VFB
1.095 VFB
V
MULTIPLIER
Input Bias Current, Pin 3 (VFB = 0 V)
IIB
—
– 0.1
– 0.5
µA
Input Threshold, Pin 2
Vth(M) 1.05 VOL(EA) 1.2 VOL(EA)
—
V
Dynamic Input Voltage Range
Multiplier Input (Pin 3)
Compensation (Pin 2)
V
VPin 3
0 to 2.5
0 to 3.5
—
VPin 2
Vth(M) to
Vth(M) to
—
(Vth(M) + 1.0) (Vth(M) + 1.5)
Multiplier Gain (VPin 3 = 0.5 V, VPin 2 = Vth(M) + 1.0 V) (Note 4)
K
0.43
0.65
0.87
1/V
ZERO CURRENT DETECTOR
Input Threshold Voltage (Vin Increasing)
Vth
1.33
1.6
1.87
V
Hysteresis (Vin Decreasing)
Input Clamp Voltage
High State (IDET = + 3.0 mA)
Low State (IDET = – 3.0 mA)
VH
100
200
300
mV
V
VIH
6.1
6.7
—
VIL
0.3
0.7
1.0
2
MOTOROLA ANALOG IC DEVICE DATA
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