LM1575 datasheet(5/44 Pages) TI

Numer części	LM1575

Szczegółowy opis	LM1575/LM2575/LM2575HV SIMPLE SWITCHER짰 1A Step-Down Voltage Regulator

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Producent	TI [Texas Instruments]

Strona internetowa	http://www.ti.com

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LM1575, LM2575-N, LM2575HV

www.ti.com

SNVS106E – MAY 1999 – REVISED APRIL 2013

ELECTRICAL CHARACTERISTICS LM1575-5.0, LM2575-5.0, LM2575HV-5.0

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

Temperature Range.

LM2575-5.0

LM1575-5.0

Units

LM2575HV-5.0

Symbol

Parameter

Conditions

Typ

(Limits)

Limit (1)

Limit (2)

SYSTEM PARAMETERS Test Circuit Figure 25 and Figure 26(3)

VOUT

Output Voltage

VIN = 12V, ILOAD = 0.2A

5.0

V

Circuit Figure 25 and Figure 26

4.950

4.900

V(Min)

5.050

5.100

V(Max)

VOUT

Output Voltage

0.2A

≤ ILOAD ≤ 1A,

5.0

V

LM1575/LM2575

8V

≤ VIN ≤ 40V

4.850/4.800

4.800/4.750

V(Min)

Circuit Figure 25 and Figure 26

5.150/5.200

5.200/5.250

V(Max)

VOUT

Output Voltage

0.2A

≤ ILOAD ≤ 1A,

5.0

V

LM2575HV

8V

≤ VIN ≤ 60V

4.850/4.800

4.800/4.750

V(Min)

Circuit Figure 25 and Figure 26

5.175/5.225

5.225/5.275

V(Max)

η

Efficiency

VIN = 12V, ILOAD = 1A

77

%

(1)

All limits specified at room temperature (standard type face) and at temperature extremes (bold type face). All limits are used to

calculate Average Outgoing Quality Level, and all are 100% production tested.

(2)

All limits specified at room temperature (standard type face) and at temperature extremes (bold type face). All room temperature limits

are 100% production tested. All limits at temperature extremes are specified via correlation using standard Statistical Quality Control

(SQC) methods.

(3)

External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance.

When the LM1575/LM2575 is used as shown in the test circuit Figure 25 and Figure 26, system performance will be as shown in system

parameters of Electrical Characteristics.

ELECTRICAL CHARACTERISTICS LM1575-12, LM2575-12, LM2575HV-12

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

Temperature Range .

LM2575-12

LM1575-12

Units

LM2575HV-12

Symbol

Parameter

Conditions

Typ

(Limits)

Limit (1)

Limit (2)

SYSTEM PARAMETERS Test Circuit Figure 25 and Figure 26 (3)

VOUT

Output Voltage

VIN = 25V, ILOAD = 0.2A

12

V

Circuit Figure 25 and Figure 26

11.88

11.76

V(Min)

12.12

12.24

V(Max)

VOUT

Output Voltage

0.2A

≤ ILOAD ≤ 1A,

12

V

LM1575/LM2575

15V

≤ VIN ≤ 40V

11.64/11.52

11.52/11.40

V(Min)

Circuit Figure 25 and Figure 26

12.36/12.48

12.48/12.60

V(Max)

VOUT

Output Voltage

0.2A

≤ ILOAD ≤ 1A,

12

V

LM2575HV

15V

≤ VIN ≤ 60V

11.64/11.52

11.52/11.40

V(Min)

Circuit Figure 25 and Figure 26

12.42/12.54

12.54/12.66

V(Max)

η

Efficiency

VIN = 15V, ILOAD = 1A

88

%

(1)

All limits specified at room temperature (standard type face) and at temperature extremes (bold type face). All limits are used to

calculate Average Outgoing Quality Level, and all are 100% production tested.

(2)

All limits specified at room temperature (standard type face) and at temperature extremes (bold type face). All room temperature limits

are 100% production tested. All limits at temperature extremes are specified via correlation using standard Statistical Quality Control

(SQC) methods.

(3)

External components such as the catch diode, inductor, input and output capacitors can affect switching regulator system performance.

When the LM1575/LM2575 is used as shown in the test circuit Figure 25 and Figure 26, system performance will be as shown in system

parameters of Electrical Characteristics.

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