LM2575-5.0BN 데이터 시트보기 (PDF) - Micrel
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LM2575-5.0BN Datasheet PDF : 9 Pages
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LM2575
Electrical Characteristics (continued)
Symbol Parameter
Conditions
Typ
DEVICE PARAMETERS, ADJUSTABLE REGULATOR
IB
Feedback Bias Current VOUT = 5V
50
DEVICE PARAMETERS, FIXED and ADJUSTABLE REGULATORS
fO
Oscillator Frequency
52
VSAT
Saturation Voltage
IOUT = 1A (Note 4)
0.9
DC
Max Duty Cycle (ON) (Note 5)
98
ICL
Current Limit
Peak Current, tON ≤ 3µs (Note 4)
2.2
IL
IQ
ISTBY
θJA
θJA
θJC
θJA
θJA
Output Leakage Current VIN = 40V, (Note 6),
Quiescent Current
(Note 6)
(Note 6)
Output = 0V
Output = –1V 7.5
Output = –1V
5
Standby Quiescent
Current
Thermal Resistance
ON/OFF Pin = 5V (OFF)
50
T Package, Junction to Ambient (Note 7) 65
T Package, Junction to Ambient (Note 8) 45
T Package, Junction to Case
2
N Package, Junction to Ambient (Note 9) 85
WM Package, Junction to Amb. (Note 9) 100
LM2575
Limit
(Note 2)
100/500
47/42
58/63
1.2/1.4
93
1.7/1.3
3.0/3.2
2
30
10
200
Micrel, Inc.
Units
(Limits)
nA
kHz
kHz (min)
kHz (max)
V
V(max)
%
%(min)
A
A(min)
A(max)
mA(max)
mA
mA(max)
mA
mA(max)
µA
µA(max)
°C/W
M9999-042205
4
April 2005
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