LM2576HV データシートの表示（PDF） - Unspecified

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LM2576HV

Simple high-efficiency step-down (buck) regulator

Unspecified 



LM2575HV/LM2576HV/HM2676HV

Circuit of Figure 2

VOUT

Output Voltage

LM2575HV

0.5A  ILOAD  2A,

7.5V  VIN  60V

Circuit of Figure 2

5.0



Efficiency

VIN =12V, ILOAD =3A (LM2576HV/HM2676HV)

ILOAD =2A (LM2575HV)

77

LM2575HV-12 / LM2576HV-12/HM2676HV-12

4.800/4.750

5.225/5.275

V

V(Min)

V(Max)

%

Electrical Characteristics

Specifications with standard type face are for TJ = 25C, 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 =25V, ILOAD =0.5A

Circuit of Figure 2

12

VOUT

VOUT



Output Voltage

LM2576HV

HM2676HV

Output Voltage

LM2575HV

Efficiency

0.5A  ILOAD  3A,

15V  VIN  60V

12

Circuit of Figure 2

0.5A  ILOAD  2A,

14.5V  VIN  60V

12

Circuit of Figure 2

VIN =15V, ILOAD =3A (LM2576HV/HM2676HV)

ILOAD =2A (LM2575HV)

88

Limit

(Note 2)

11.76

12.24

11.52/11.40

12.54/12.66

11.52/11.40

12.54/12.66

Units

(Limits)

V

V(Min)

V(Max)

V

V(Min)

V(Max)

V

V(Min)

V(Max)

%

LM2575HV-15 / LM2576HV-15/HM2676HV-15

Electrical Characteristics

Specifications with standard type face are for TJ = 25C, and those with boldface type apply over full Operating

Temperature Range.

Symbol

Parameter

Conditions

SYSTEM PARAMETERS (Note 3) Test Circuit Figure 2

VOUT

Output Voltage

VIN =25V, ILOAD =0.5A

Circuit of Figure 2

VOUT

VOUT



Output Voltage

LM2576HV

HM2676HV

Output Voltage

LM2575HV

Efficiency

0.5A  ILOAD  3A,

18V VIN  60V

Circuit of Figure 2

0.5A  ILOAD  2A,

17.5V VIN  60V

Circuit of Figure 2

VIN =18V, ILOAD = 3A (LM2576HV)

ILOAD =2A (LM2575HV)

Typ

Limit

(Note 2)

Units

(Limits)

V

15

14.70

V(Min)

15.30

V(Max)

V

15

14.40/14.25

V(Min)

15.68/15.83

V(Max)

14.40/14.25

V

15

15.68/15.83

V(Min)

V(Max)

%

88

4

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