LM1575 datasheet(6/27 Pages) NSC | SIMPLE SWITCHER 1A Step-Down Voltage Regulator

6 page

LM1575-5.0, LM2575-5.0, LM2575HV-5.0

Electrical Characteristics (Continued)

Specifications with standard type face are for T

J = 25˚C, and those with boldface type apply over full Operating Tempera-

ture Range.

Symbol

Parameter

Conditions

Typ

LM1575-5.0

LM2575-5.0

Units

(Limits)

LM2575HV-5.0

Limit

(Note 2)

(Note 3)

Efficiency

IN = 12V, ILOAD =1A

LM1575-12, LM2575-12, LM2575HV-12

Electrical Characteristics

Specifications with standard type face are for T

J = 25˚C, and those with boldface type apply over full Operating Tempera-

ture Range .

Symbol

Parameter

Conditions

Typ

LM1575-12

LM2575-12

Units

(Limits)

LM2575HV-12

Limit

(Note 2)

(Note 3)

SYSTEM PARAMETERS (Note 4) Test Circuit Figure 2

OUT

Output Voltage

IN = 25V, ILOAD = 0.2A

Circuit of Figure 2

11.88

11.76

V(Min)

12.12

12.24

V(Max)

OUT

Output Voltage

0.2A

≤ I

LOAD

≤ 1A,

LM1575/LM2575

15V

≤ V

≤ 40V

11.64/11.52

11.52/11.40

V(Min)

Circuit of Figure 2

12.36/12.48

12.48/12.60

V(Max)

OUT

Output Voltage

0.2A

≤ I

LOAD

≤ 1A,

LM2575HV

15V

≤ V

≤ 60V

11.64/11.52

11.52/11.40

V(Min)

Circuit of Figure 2

12.42/12.54

12.54/12.66

V(Max)

Efficiency

IN = 15V, ILOAD =1A

LM1575-15, LM2575-15, LM2575HV-15

Electrical Characteristics

Specifications with standard type face are for T

J = 25˚C, and those with boldface type apply over full Operating Tempera-

ture Range .

Symbol

Parameter

Conditions

Typ

LM1575-15

LM2575-15

Units

(Limits)

LM2575HV-15

Limit

(Note 2)

(Note 3)

SYSTEM PARAMETERS (Note 4) Test Circuit Figure 2

OUT

Output Voltage

IN = 30V, ILOAD = 0.2A

Circuit of Figure 2

14.85

14.70

V(Min)

15.15

15.30

V(Max)

OUT

Output Voltage

0.2A

≤ I

LOAD

≤ 1A,

LM1575/LM2575

18V

≤ V

≤ 40V

14.55/14.40

14.40/14.25

V(Min)

Circuit of Figure 2

15.45/15.60

15.60/15.75

V(Max)

OUT

Output Voltage

0.2A

≤ I

LOAD

≤ 1A,

LM2575HV

18V

≤ V

≤ 60V

14.55/14.40

14.40/14.25

V(Min)

Circuit of Figure 2

15.525/15.675

15.68/15.83

V(Max)

Efficiency

IN = 18V, ILOAD =1A

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