LM2575-N datasheet(6/44 Pages) TI

Nome de Peças	LM2575-N

Descrição Electrónicos	LM1575/LM2575/LM2575HV SIMPLE SWITCHER짰 1A Step-Down Voltage Regulator

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Fabricante Electrônico	TI [Texas Instruments]

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LM1575, LM2575-N, LM2575HV

SNVS106E – MAY 1999 – REVISED APRIL 2013

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ELECTRICAL CHARACTERISTICS LM1575-15, LM2575-15, LM2575HV-15

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

Temperature Range .

LM2575-15

LM1575-15

Units

LM2575HV-15

Parameter

Conditions

Typ

(Limits)

Symbol

Limit (1)

Limit (2)

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

VOUT

Output Voltage

VIN = 30V, ILOAD = 0.2A

15

V

Circuit Figure 25 and Figure 26

14.85

14.70

V(Min)

15.15

15.30

V(Max)

VOUT

Output Voltage

0.2A

≤ ILOAD ≤ 1A,

15

V

LM1575/LM2575

18V

≤ VIN ≤ 40V

14.55/14.40

14.40/14.25

V(Min)

Circuit Figure 25 and Figure 26

15.45/15.60

15.60/15.75

V(Max)

VOUT

Output Voltage

0.2A

≤ ILOAD ≤ 1A,

15

V

LM2575HV

18V

≤ VIN ≤ 60V

14.55/14.40

14.40/14.25

V(Min)

Circuit Figure 25 and Figure 26

15.525/15.675

15.68/15.83

V(Max)

η

Efficiency

VIN = 18V, 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.

ELECTRICAL CHARACTERISTICS LM1575-ADJ, LM2575-ADJ, LM2575HV-ADJ

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

Temperature Range.

LM2575-ADJ

LM1575-ADJ

Units

LM2575HV-ADJ

Symbol

Parameter

Conditions

Typ

(Limits)

Limit (1)

Limit (2)

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

VOUT

Feedback Voltage

VIN = 12V, ILOAD = 0.2A

1.230

V

VOUT = 5V

1.217

V(Min)

Circuit Figure 25 and Figure 26

1.243

V(Max)

VOUT

Feedback Voltage

0.2A

≤ ILOAD ≤ 1A,

1.230

V

LM1575/LM2575

8V

≤ VIN ≤ 40V

1.205/1.193

1.193/1.180

V(Min)

VOUT = 5V, Circuit Figure 25 and

Figure 26

1.255/1.267

1.267/1.280

V(Max)

VOUT

Feedback Voltage

0.2A

≤ ILOAD ≤ 1A,

1.230

V

LM2575HV

8V

≤ VIN ≤ 60V

1.205/1.193

1.193/1.180

V(Min)

VOUT = 5V, Circuit Figure 25 and

Figure 26

1.261/1.273

1.273/1.286

V(Max)

η

Efficiency

VIN = 12V, ILOAD = 1A, VOUT = 5V

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.

6

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