LM2675
SNVS129E –MAY 2004–REVISED JUNE 2005
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Max(2)
Units
LM2675-5.0 Electrical Characteristics
Symbol
Parameter
Conditions
Typ(1)
Min(2)
SYSTEM PARAMETERS Test Circuit Figure 22(3)
VOUT
VOUT
η
Output Voltage
Output Voltage
Efficiency
VIN = 8V to 40V, ILOAD = 20 mA to 1A
VIN = 6.5V to 40V, ILOAD = 20 mA to 500 mA
VIN = 12V, ILOAD = 1A
5.0
5.0
90
4.925/4.850
4.925/4.850
5.075/5.150
5.075/5.150
V
V
%
(1) Typical numbers are at 25°C and represent the most likely norm.
(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. 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 LM2675 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.
LM2675-12 Electrical Characteristics
Symbol
Parameter
Conditions
Typ(1)
Min(2)
Max(2)
Units
SYSTEM PARAMETERS Test Circuit Figure 22(3)
VOUT
Output Voltage
Efficiency
VIN = 15V to 40V, ILOAD = 20 mA to 1A
VIN = 24V, ILOAD = 1A
12
94
11.82/11.64
12.18/12.36
V
η
%
(1) Typical numbers are at 25°C and represent the most likely norm.
(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. 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 LM2675 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.
LM2675-ADJ Electrical Characteristics
Symbol
Parameter
Conditions
Typ(1)
Min(2)
Max(2)
Units
SYSTEM PARAMETERS Test Circuit Figure 23(3)
VFB
VFB
η
Feedback Voltage VIN = 8V to 40V, ILOAD = 20 mA to 1A
VOUT Programmed for 5V
1.210
1.192/1.174
1.192/1.174
1.228/1.246
1.228/1.246
V
(see Circuit of Figure 23)
Feedback Voltage VIN = 6.5V to 40V, ILOAD = 20 mA to 500 mA
VOUT Programmed for 5V
1.210
90
V
(see Circuit of Figure 23)
Efficiency
VIN = 12V, ILOAD = 1A
%
(1) Typical numbers are at 25°C and represent the most likely norm.
(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. 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 LM2675 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.
All Output Voltage Versions Electrical Characteristics
Specifications with standard type face are for TJ = 25°C, and those with bold type face apply over full Operating
Temperature Range. Unless otherwise specified, VIN = 12V for the 3.3V, 5V, and Adjustable versions and VIN = 24V for the
12V version, and ILOAD = 100 mA.
Symbol
Parameters
Conditions
Typ
Min
Max
Units
DEVICE PARAMETERS
IQ
Quiescent Current
VFEEDBACK = 8V
For 3.3V, 5.0V, and ADJ Versions
2.5
2.5
3.6
mA
mA
VFEEDBACK = 15V
For 12V Versions
ISTBY
ICL
Standby Quiescent Current
Current Limit
ON/OFF Pin = 0V
50
100/150
2.1/2.2
μA
1.55
1.25/1.2
A
4
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