LM2594N-3.3 datasheet(4/41 Pages) TI1

Teilenummer	LM2594N-3.3

Bauteilbeschribung	LM2594/LM2594HV SIMPLE SWITCHER짰 Power Converter 150 kHz 0.5A Step-Down Voltage Regulator

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LM2594, LM2594HV

SNVS118C – DECEMBER 1999 – REVISED APRIL 2013

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LM2594/LM2594HV-5.0 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

LM2594/LM2594HV-5.0

Units

(Limits)

Typ(1)

Limit(2)

SYSTEM PARAMETERS(3) Test Circuit Figure 20

VOUT

Output Voltage

7V

≤ VIN ≤ VINmax, 0.1A ≤ ILOAD ≤ 0.5A

5.0

V

4.800/4.750

V(min)

5.200/5.250

V(max)

η

Efficiency

VIN = 12V, ILOAD = 0.5A

82

%

(1)

Typical numbers are at 25°C and represent the most likely norm.

(2)

All limits ensured 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. All limits are used to calculate Average Outgoing Quality Level (AOQL).

(3)

External components such as the catch diode, inductor, input and output capacitors, and voltage programming resistors can affect

switching regulator system performance. When the LM2594/LM2594HV is used as shown in the Figure 20 test circuit, system

performance will be as shown in system parameters section of Electrical Characteristics.

LM2594/LM2594HV-12 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

LM2594/LM2594HV-12

Units

(Limits)

Typ(1)

Limit(2)

SYSTEM PARAMETERS(3) Test Circuit Figure 20

VOUT

Output Voltage

15V

≤ VIN ≤ VINmax, 0.1A ≤ ILOAD ≤ 0.5A

12.0

V

11.52/11.40

V(min)

12.48/12.60

V(max)

η

Efficiency

VIN = 25V, ILOAD = 0.5A

88

%

(1)

Typical numbers are at 25°C and represent the most likely norm.

(2)

All limits ensured 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. All limits are used to calculate Average Outgoing Quality Level (AOQL).

(3)

External components such as the catch diode, inductor, input and output capacitors, and voltage programming resistors can affect

switching regulator system performance. When the LM2594/LM2594HV is used as shown in the Figure 20 test circuit, system

performance will be as shown in system parameters section of Electrical Characteristics.

LM2594/LM2594HV-ADJ 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

LM2594/LM2594HV-ADJ

Units

(Limits)

Typ(1)

Limit(2)

SYSTEM PARAMETERS(3) Test Circuit Figure 20

VFB

Feedback Voltage

4.5V

≤ VIN ≤ VINmax, 0.1A ≤ ILOAD ≤ 0.5A

1.230

V

1.193/1.180

VOUT programmed for 3V. Circuit of Figure 20

V(min)

1.267/1.280

V(max)

η

Efficiency

VIN = 12V, ILOAD = 0.5A

80

%

(1)

Typical numbers are at 25°C and represent the most likely norm.

(2)

All limits ensured 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. All limits are used to calculate Average Outgoing Quality Level (AOQL).

(3)

External components such as the catch diode, inductor, input and output capacitors, and voltage programming resistors can affect

switching regulator system performance. When the LM2594/LM2594HV is used as shown in the Figure 20 test circuit, system

performance will be as shown in system parameters section of Electrical Characteristics.

4

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Ähnliche Beschreibung - LM2594N-3.3

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