LM2576HV-3.3 Просмотр технического описания (PDF) - Unspecified
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LM2576HV-3.3 Datasheet PDF : 13 Pages
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LM2575HV/LM2576HV/HM2676HV
Absolute Maximum Ratings (Note 1)
Minimum ESD Rating
(C= 100pF, R = 1.5 k)
Lead Temperature
(Soldering, 10 Seconds)
2kV
260C
Maximum Supply Voltage
LM2575HV/LM2576HV/HM2676HV
_
ON/OFF Pin Input Voltage
Output Voltage to Ground
(Steady State)
Power Dissipation
Storage Temperature Range
Maximum Junction Temperature
Operating
Ratings
63V
Temperature Range
-0.3V V +VIN LM2575HV/LM2576HV/HM2676HV -40C TJ +125C
Supply Voltage
-0.75V . LM2575HV/LM2576HV/HM2676HV
60V
Internally Limited
-65C to +150C
150C
LM2575HV-3.3 /LM2576HV-3.3/HM2676HV-3.3
Electrical Characteristics
Specifications with standard type face are for TJ = 25C, and those with boldface type apply over full Operating
Temperature Range.
Symbol
Parameter
Conditions
Typ
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
VOUT
Output Voltage
VIN =12V, ILOAD =0.5A
Circuit of Figure 2
3.3
VOUT
Output Voltage
LM2576HV
HM2676HV
6V VIN 60V, 0.5A ILOAD 3A
Circuit of Figure 2
3.3
VOUT
Output Voltage
LM2575HV
Efficiency
5.5V VIN 60V, 0.5A ILOAD 2A
Circuit of Figure 2
3.3
VIN =12V, ILOAD =3A (LM2576HV/HM2676HV)
ILOAD =2A (LM2575HV)
75
Limit
(Note 2)
3.234
3.366
3.168/3.135
3.450/3.482
3.168/3.135
3.450/3.482
Units
(Limits)
V
V(Min)
V(Max)
V
V(Min)
V(Max)
V
V(Min)
V(Max)
%
LM2575HV-5.0/LM2576HV-5.0/HM2676HV-5.0
Electrical Characteristics
Specifications with standard type face are for TJ = 25C, and those with Figure 2 boldface type apply over full Operating
Temperature Range.
Symbol
Parameter
Conditions
SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2
VOUT
Output Voltage
VIN =12V, ILOAD =0.5A
Circuit of Figure 2
VOUT
Output Voltage
LM2576HV
HM2676HV
0.5A ILOAD 3A,
8V VIN 60V
3
Typ
5.0
5.0
Limit
(Note 2)
Units
(Limits)
4.900
5.100
4.800/4.750
5.225/5.275
V
V(Min)
V(Max)
V
V(Min)
V(Max)
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