LM2576 Series
Absolute Maximum Ratings (Note 1)
Parameter
Maximum
Units
Maximum Supply Voltage
LM2576
LM2576HV
45
63
V
ON/OFF Pin Input Voltage
-0.3V ≤ V ≤ +VIN
Output Voltage to Ground (Steady State)
Power Dissipation
-1
V
W
Internally Limited
Storage Temperature Range
-65 to +150
°C
°C
kV
°C
Maximum Junction Temperature
Minimum ESD Rating (C= 100pF, R = 1.5 kΩ)
Lead Temperature (Soldering, 10 Seconds)
150
2
260
Operating Ratings
Parameter
Temperature Range
LM2576/LM2576HV
Supply Voltage
Value
Units
-40 ≤ TJ ≤ +125
°C
LM2576
LM2576HV
40
60
V
Electrical Characteristics LM2576 -3.3,LM2576HV-3.3
Specifications with standard type face are for TJ = 25°C, and those with boldface type apply over full Operating Temperature Range.
Symbol
Parameter
Conditions
LM2576-3.3
Units
LM2576HV-3.3
(Limits)
Typ
Limit (Note 2)
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
V
VOUT
VOUT
VOUT
η
Output Voltage
VIN =12V, ILOAD =0.5A
Circuit of Figure 2
3.3
V(Min)
V(Max)
3.234
3.366
3.3
3.3
75
Output Voltage
6V ≤ VIN ≤ 40V, 0.5A ≤ ILOAD
3A Circuit of Figure 2
≤
≤
V
LM2576
3.168/3.135
3.432/3.465
V(Min)
V(Max)
Output Voltage
LM2576HV
6V ≤ VIN ≤ 60V, 0.5A ≤ ILOAD
3A Circuit of Figure 2
V
3.168/3.135
3.450/3.482
V(Min)
V(Max)
Efficiency
VIN =12V, ILOAD =3A
%
Electrical Characteristics LM2576 -5.0, LM2576HV-5.0
Specifications with standard type face are for TJ = 25°C, and those with boldface type apply over full Operating Temperature Range.
Symbol
Parameter
Conditions
LM2576-5.0
Units
LM2576HV-5.0
(Limits)
Typ
Limit (Note 2)
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
V
VOUT
VOUT
VOUT
η
Output Voltage
VIN =12V, ILOAD =0.5A
Circuit of Figure 2
5.0
V(Min)
V(Max)
4.900
5.100
5.0
5.0
77
Output Voltage
0.5A ≤ ILOAD ≤ 3A,
8V ≤ VIN ≤ 40V
Circuit of Figure 2
V
LM2576
4.800/4.750
5.200/5.250
V(Min)
V(Max)
Output Voltage
0.5A ≤ ILOAD ≤ 3A,
8V ≤ VIN ≤ 60V
Circuit of Figure 2
V
LM2576HV
4.800/4.750
5.225/5.275
V(Min)
V(Max)
Efficiency
VIN =12V, ILOAD =3A
%
ELECTRONICS CO.,LTD
TIGER
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TGS [ Tiger Electronic Co.,Ltd ]
