LM2575HV-12 데이터 시트보기 (PDF) - Unspecified
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LM2575HV-12 Datasheet PDF : 13 Pages
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LM2575HV/LM2576HV/HM2676HV
All Output Voltage Versions
Electrical Characteristics
Specifications with standard type face are for TJ = 25C, and those with boldface type apply over full Operating
Temperature Range. Unless otherwise specified, VIN =12V for the 3.3V, 5V, and Adjustable version, VIN =25V for the
12V version, and VIN =30V for the 15V version, , ILOAD =500mA.
Symbol
Parameter
DEVICE PARAMETERS
Ib
Feedback Bias Current
fO
Oscillator Frequency
VSAT
VSAT
DC
ICL
ICL
IL
IQ
ISTBY
Saturation Voltage
LM2576HV/HM2676HV
Saturation Voltage
LM2575HV
Max Duty Cycle (ON)
Current Limit
Current Limit
Output Leakage Current
Quiescent Current
Standby Quiescent
Current
Conditions
VOUT =5V (Adjustable Version
Only)
(Note 8)
IOUT =3A (Note 4)
IOUT =2A (Note 4)
(Note 5)
LM2576HV/HM2676HV
LM2575HV
(Notes 6, 7): Output = 0V
Output = -0.75V
Output = -0.75V
(Note 6)
ON/OFF Pin =
5V
(OFF)
Vin= 60V
LM2575HV/LM2576HV
/HM2676HV
Typ
Limit
(Note 2)
50
100/500
52
47/42
58/63
1.4
1.55/1.70
1.2
1.35/1.45
98
93
5.8
4.2/3.5
6.9/7.5
3.4
2.5/2.3
4.6/4.9
2
7.5
30
5
10
50
200
Units
(Limits)
nA
kHz
kHz
(Min)
kHz
(Max)
V
V(Max)
V
V(Max)
%
%(Min)
A
A(Min)
A(Max)
A
mA(Max)
mA
mA(Max)
mA
mA(Max)
A
A(Max)
6
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