LM2591HV datasheet(2/20 Pages) NSC

2 / 20 page

Absolute Maximum Ratings (Note 1)

If Military/Aerospace specified devices are required,

please contact the National Semiconductor Sales Office/

Distributors for availability and specifications.

Maximum Supply Voltage (V

IN)

63V

ON/OFF Pin Voltage

−0.3

≤ V ≤ +25V

Feedback Pin Voltage

−0.3

≤ V ≤ +25V

Output Voltage to Ground

(Steady State)

−1V

Power Dissipation

Internally limited

Storage Temperature Range

−65˚C to +150˚C

ESD Susceptibility

Human Body Model (Note 2)

2 kV

Lead Temperature

S Package

Vapor Phase (60 sec.)

+215˚C

Infrared (10 sec.)

+245˚C

T Package (Soldering, 10 sec.)

+260˚C

Maximum Junction Temperature

+150˚C

Operating Conditions

Temperature Range

−40˚C

≤ T

≤ +125˚C

Supply Voltage

4.5V to 60V

LM2591HV-3.3

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

LM2591HV-3.3

Units

(Limits)

Typ

Limit

(Note 3)

(Note 4)

SYSTEM PARAMETERS (Note 5) Test Circuit Figure 1

OUT

Output Voltage

4.75V

≤ V

≤ 60V, 0.2A ≤ I

LOAD

≤ 1A

3.3

3.168/3.135

V(min)

3.432/3.465

V(max)

Efficiency

IN = 12V, ILOAD =1A

LM2591HV-5.0

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

LM2591HV-5.0

Units

(Limits)

Typ

Limit

(Note 3)

(Note 4)

SYSTEM PARAMETERS (Note 5) Test Circuit Figure 1

OUT

Output Voltage

≤ V

≤ 60V, 0.2A ≤ I

LOAD

≤ 1A

4.800/4.750

V(min)

5.200/5.250

V(max)

Efficiency

IN = 12V, ILOAD =1A

LM2591HV-ADJ

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

LM2591HV-ADJ

Units

(Limits)

Typ

Limit

(Note 3)

(Note 4)

SYSTEM PARAMETERS (Note 5) Test Circuit Figure 1

Feedback Voltage

4.5V

≤ V

≤ 60V, 0.2A ≤ I

LOAD

≤ 1A

1.230

OUT programmed for 3V. Circuit of Figure 1.

1.193/1.180

V(min)

1.267/1.280

V(max)

Efficiency

IN = 12V, VOUT = 3V, ILOAD =1A

LM2591HV bảng dữ liệu(PDF) 2 Page - National Semiconductor (TI)

LM2591HV bảng dữ liệu(HTML) 2 Page - National Semiconductor (TI)

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20

bảng dữ liệu tải về

Link URL