MIC4576-5.0BT(2001) 데이터 시트보기 (PDF) - Micrel
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MIC4576-5.0BT Datasheet PDF : 8 Pages
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MIC4576
Absolute Maximum Ratings
Supply Voltage (VIN) ................................................... +40V
Shutdown Voltage (VSHDN) .......................... –0.3V to +36V
Output Switch (VSW), Steady State ............................... –1V
Feedback Voltage (VFB) [Adjustable] ......................... +3.8V
Storage Temperature ............................... –65°C to +150°C
Micrel
Operating Ratings
Supply Voltage (VIN) ................................................... +36V
Junction Temperature ............................................. +150°C
Package Thermal Resistance
TO-220, TO-263 (θJA) ......................................... 65°C/W
TO-220, TO-263 (θJC) ........................................... 2°C/W
Electrical Characteristics
VIN = 12V; ILOAD = 500mA; TJ = 25°C, bold values indicate –40°C ≤ TJ ≤ +85°C; unless noted.
Parameter
Condition
MIC4576 [Adjustable]
Feedback Voltage
Feedback Voltage
8V ≤ VIN ≤ 36V, 0.5A ≤ ILOAD ≤ 3A
Efficiency
Maximum Duty Cycle (On)
Output Leakage Current
Quiescent Current
Feedback Bias Current
ILOAD = 3A, Note 1
VFB = 1.0V
VIN = 36V, VFB = 1.5V
output = 0V
output = –1V
VFB = 1.5V
MIC4576-3.3
Output Voltage
Output Voltage
Efficiency
Maximum Duty Cycle (On)
Output Leakage Current
Quiescent Current
MIC4576-5.0
Output Voltage
Output Voltage
Efficiency
Maximum Duty Cycle (On)
Output Leakage Current
Quiescent Current
6V ≤ VIN ≤ 36V, 0.5A ≤ ILOAD ≤ 3A
ILOAD = 3A
VFB = 2.5V
VIN = 36V, VFB = 4.0V
output = 0V
output = –1V
VFB = 4.0V
8V ≤ VIN ≤ 36V, 0.5A ≤ ILOAD ≤ 3A
ILOAD = 3A
VFB = 4.0V
VIN = 36V, VFB = 6.0V
output = 0V
output = –1V
VFB = 6.0V
Min Typ Max Units
1.217 1.230 1.243 V
1.193 1.230 1.267 V
1.180
1.280 V
77
%
90
95
%
0
2
mA
7.5
30
mA
5
10
mA
50
100
nA
500 nA
3.234 3.3 3.366 V
3.168 3.3 3.432 V
3.135
3.465 V
72
%
90
95
%
0
2
mA
7.5
30
mA
5
10
mA
4.900 5.0 5.100 V
4.800 5.0 5.200 V
4.750
5.250 V
77
%
90
95
%
0
2
mA
7.5
30
mA
5
10
mA
December 2001
3
MIC4576
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