LM2671

SNVS008K – SEPTEMBER 1998 – REVISED APRIL 2013

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Electrical Characteristics LM2671-5.0

Symbol

Parameter

Conditions

Units

SYSTEM PARAMETERS Test Circuit Figure 22 (3)

Output Voltage

5.0

4.925/4.850

5.075/5.150

V

Output Voltage

5.0

4.925/4.850

5.075/5.150

V

η

Efficiency

90

%

(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 ensured 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 performance. When the LM2671 is used as shown in Figure 22 and Figure 23 test circuits, system performance will

be as specified by the system parameters section of the Electrical Characteristics.

Electrical Characteristics LM2671-12

Symbol

Parameter

Conditions

Units

SYSTEM PARAMETERS Test Circuit Figure 22 (3)

Output Voltage

12

11.82/11.64

12.18/12.36

V

η

Efficiency

94

%

(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 ensured 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 performance. When the LM2671 is used as shown in Figure 22 and Figure 23 test circuits, system performance will

be as specified by the system parameters section of the Electrical Characteristics.

Electrical Characteristics LM2671-ADJ

Symbol

Parameter

Conditions

Units

SYSTEM PARAMETERS Test Circuit Figure 23 (3)

Feedback Voltage

1.210

1.192/1.174

1.228/1.246

V

(see Circuit of Figure 23)

Feedback Voltage

1.210

1.192/1.174

1.228/1.246

V

(see Circuit of Figure 23)

η

Efficiency

90

%

(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 ensured 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 performance. When the LM2671 is used as shown in Figure 22 and Figure 23 test circuits, system performance will

be as specified by the system parameters section of the Electrical Characteristics.

4

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