MIC4574-3.3BN(2005) 데이터 시트보기 (PDF) - Micrel
부품명
상세내역
제조사
MIC4574-3.3BN Datasheet PDF : 7 Pages
| |||
MIC4574
Micrel, Inc.
Absolute Maximum Ratings (Note 1)
Supply Voltage (VIN), Note 5 ...................................... +40V
Shutdown (VSHDN) ....................................... –0.3V to +36V
Output Switch (VSW) steady state ................................. –1V
Junction Temperature (TJ) ...................................... +150°C
Storage Temperature ............................... –65°C to +150°C
ESD Rating, Note 3
Operating Ratings (Note 2)
Supply Voltage (VIN) ................................................... +24V
Package Thermal Resistance
θJA Plastic DIP .................................................. 130°C/W
Electrical Characteristics (Note 4)
VIN =12V; ILOAD = 100mA; TA = 25°C, bold values indicate –40°C ≤ TA ≤ +85°C; unless noted
Parameter
Condition
MIC4574 [Adjustable]
Feedback Voltage
Feedback Voltage
8V ≤ VIN ≤ 24V, 0.1A ≤ ILOAD ≤ 0.5A
Efficiency
Feedback Bias Current
ILOAD = 0.5A, VOUT = 5V
MIC4574-3.3
Output Voltage
Output Voltage
Efficiency
MIC4574-5.0
Output Voltage
Output Voltage
Efficiency
MIC4574 / -3.3 / -5.0
Oscillator Frequency
Saturation Voltage
Maximum Duty Cycle (On)
Current Limit
Output Leakage Current
Quiescent Current
Standby Quiescent Current
SHDN Input Logic Level
SHDN Input Current
6V ≤ VIN ≤ 24V, 0.1A ≤ ILOAD ≤ 0.5A
8V ≤ VIN ≤ 24V, 0.1A ≤ ILOAD ≤ 0.5A
IOUT = 0.5A
FB connected to 0V
Peak Current, tON ≤ 3µs
VIN = 24V, FB connected to 6V
Output = 0V
Output = –1V
SHDN = 5V (regulator off)
VOUT = 0V (regulator off)
VOUT = 3.3V or 5V (regulator on)
SHDN = 5V (regulator off)
SHDN = 0V (regulator on)
Min Typ Max Units
1.217 1.230 1.243 V
1.193 1.230 1.267 V
1.180
1.280 V
77
%
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
%
4.900 5.0 5.100 V
4.800 5.0 5.200 V
4.750
5.250 V
77
%
180 200 220 kHz
1
1.3
V
1.5
V
90
95
%
0.7
1.0
1.6
A
0.65
1.8
A
0
2
mA
7.5
35
mA
5
10
mA
50
200
µA
2.2
1.4
V
2.4
V
1.2
1.0
V
0.8
V
4
30
µA
–10 0.01 10
µA
Note 1.
Note 2.
Note 3.
Note 4.
Note 5.
Exceeding the absolute maximum rating may damage the device.
The device is not guaranteed to function outside its operating rating.
Devices are ESD sensitive. Handling precautions recommended.
Specification for packaged product only.
The MIC4574 is not guaranteed to survive a short circuit to ground for input voltage above 24V.
June 2005
3
M9999-062105
Share Link: 