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LM2576 Datasheet(PDF) 5 Page - ARTSCHIP ELECTRONICS CO.,LMITED.

Part # LM2576
Description  SIMPLE SWITCHER 3A Step-Down Voltage Regulator
PDF  23 Pages
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Manufacturer  ARTSCHIP [ARTSCHIP ELECTRONICS CO.,LMITED.]
Direct Link  http://www.artschip.com/
Logo ARTSCHIP - ARTSCHIP ELECTRONICS CO.,LMITED.

LM2576 Datasheet(HTML) 5 Page - ARTSCHIP ELECTRONICS CO.,LMITED.

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LM2576/LM2576HV
www.artschip.com
5
LM2576-ADJ, LM2576HV-ADJ
Electrical Characteristics
Specifications with standard type face are for TJ=25℃, and those with boldface type apply over full Operating Temperature Range.
LM2576-ADJ
LM2576HV-ADJ
Symbol
Parameter
Conditions
Typ
Limit(Note2)
Units(limits)
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
VOUT
Feedback Voltage
VIN=12V, ILOAD=0.5A
VOUT=5V
Circuit of Figure 2
1.230
1.217
1.243
V
V(Min)
V(Max)
VOUT
Feedback Voltage
LM2576
0.5A≤ILOAD≤3A
8V≤VIN≤40V
VOUT=5V,Circuit of Figure 2
1.230
1.193/1.180
1.267/1.280
V
V(Min)
V(Max)
VOUT
Feedback Voltage
LM2576HV
0.5A≤ILOAD≤3A,
8V≤VIN≤60V
VOUT=5V,Circuit of Figure 2
1.230
1.193/1.180
1.273/1.286
V
V(Min)
V(Max)
η
Efficiency
VIN=12V, ILOAD=3A, VOUT=5V
77
%
All Output Voltage Versions
Electrical Characteristics
Specifications with standard type face are for TJ=25℃, 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
LM2576-XX
LM2576HV-XX
Symbol
Parameter
Conditions
Typ
Limit(Note2)
Units(limits)
DEVICE PARAMETERS
Ib
Feedback Bias Current
VOUT=5V(Adjustable Version Only)
50
100/500
nA
fO
Oscillator Frequency
(Note 11)
52
47/42
58/63
kHz
kHz
(Min)
kHz
(Max)
VSAT
Saturation Voltage
IOUT=3A (Note 4)
1.4
1.8/2.0
V
V(Max)
DC
Max Duty Cycle (ON)
(Note 5)
98
93
%
%(Min)
ICL
Current Limit
(Note 4,11)
5.8
4.2/3.5
6.9/7.5
A
A(Min)
A(Max)
IL
Output
Leakage
Current
(Note 6,7); Output = 0V
Output=-1V
Output=-1V
7.5
2
30
mA(Max)
mA
mA(Max)
IQ
Quiescent Current
(Note 6)
5
10
mA
mA(Max)
ISTBY
Standby Quiescent
Current
/OFF Pin =5V(OFF)
50
200
μ
A
μ
A(Max)
JA
JA
JC
JA
Thermal Resistance
T Package, Junction to Ambient (Note 8)
T Package, Junction to Ambient (Note 9)
T Package, Junction to Case
S Package, Junction to Ambient (Note 10)
65
45
2
50
℃
/W
/OFF CONTROL Test Circuit Figure2
VIH
VOUT=30V
1.4
2.2/2.4
V(Min)
VIL
/OFF Pin
Logic Input Level
VOUT=Nominal Output Voltage
1.2
1.0/0.8
V(Max)
IIH
/OFF Pin=5V (OFF)
12
30
μ
A
μ
A(Max)
IIL
/OFF Pin Input
Current
/OFF Pin=0V (ON)
0
10
μ
A
μ
A(Max)



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