MC33261 데이터 시트보기 (PDF) - Motorola => Freescale
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MC33261 Datasheet PDF : 12 Pages
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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
Value
Unit
(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 626
Maximum Power Dissipation @ TA = 70°C
Thermal Resistance, Junction–to–Air
Operating Junction Temperature
Operating Ambient Temperature (Note 3)
MC34261
MC33261
PD
RθJA
PD
RθJA
TJ
TA
800
mW
100
°C/W
450
178
+150
0 to +70
–40 to +85
mW
°C/W
°C
°C
Storage Temperature
Tstg
–55 to +150 °C
ELECTRICAL CHARACTERISTICS (VCC = 12 V, 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)
Line Regulation (VCC = 12 V to 28 V, TA = 25°C)
Input Bias Current (VFB = 0 V)
Open Loop Voltage Gain
Gain Bandwidth Product (TA = 25°C)
Output Source Current (VO = 4.0 V, VFB = 2.3 V)
Output Voltage Swing
High State (ISource = 0.2 mA, VFB = 2.3 V)
Low State (ISink = 0.4 mA, VFB = 2.7 V)
VFB
V
2.465
2.5
2.535
2.44
2.54
Regline
–
IIB
–
AVOL
65
GBW
0.7
1.0
10
mV
–0.3
–1.0
µA
85
–
dB
1.0
–
MHz
ISource
0.25
0.5
0.75
mA
V
VOH
5.0
5.7
–
VOL
–
2.1
2.44
MULTIPLIER
Dynamic Input Voltage Range
Multiplier Input (Pin 3)
Compensation (Pin 2)
Input Bias Current (VFB = 0 V)
Multiplier Gain (VPin 3 = 0.5 V, VPin 2 = VFB + 1.0 V) (Note 2)
V
VPin 3
0 to 2.5
0 to 3.5
–
VPin 2
VFB to
VFB to
–
(VFB + 1.0) (VFB + 1.5)
IIB
–
–0.3
–1.0
µA
K
0.4
0.62
0.8
1/V
ZERO CURRENT DETECTOR
Input Threshold Voltage (Vin Increasing)
Hysteresis (Vin Decreasing)
Input Clamp Voltage
High State (IDET = 3.0 mA)
Low State (IDET = –3.0 mA)
Vth
1.3
1.6
1.8
V
VH
40
110
200
mV
V
VIH
6.1
6.7
–
VIL
0.3
0.7
1.0
NOTES: 1. Maximum package power dissipation limits must be observed.
Pin 4 Threshold Voltage
2. K =
VPin 3(VPin 2 – VFB)
3. Tlow = –40°C for MC34261
3. Tlow = –40°C for MC33261
Thigh = +70°C for MC34261
Thigh = +85°C for MC33261
2
MOTOROLA ANALOG IC DEVICE DATA
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