LM2672M-5.0/NOPB National Semiconductor, LM2672M-5.0/NOPB Datasheet - Page 8
![IC REG SIMPLE SWITCHER 8-SOIC](/photos/6/56/65640/pkg_m08a_sml.jpg)
LM2672M-5.0/NOPB
Manufacturer Part Number
LM2672M-5.0/NOPB
Description
IC REG SIMPLE SWITCHER 8-SOIC
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Step-Down (Buck)r
Specifications of LM2672M-5.0/NOPB
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
5V
Current - Output
1A
Frequency - Switching
260kHz
Voltage - Input
6.5 ~ 40 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Current, Input Bias
85 nA
Current, Output
1 A
Current, Supply
2.5 mA
Frequency, Oscillator
260 kHz
Package Type
SOIC
Regulator Type
Buck (Step-Down)
Temperature, Operating, Range
-40 to +125 °C
Voltage, Input
8 to 40 V
Voltage, Output
5 V
Primary Input Voltage
12V
No. Of Outputs
1
Output Voltage
5V
Output Current
1A
No. Of Pins
8
Operating Temperature Range
-40°C To +125°C
Msl
MSL 1 - Unlimited
Filter Terminals
SMD
Rohs Compliant
Yes
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Other names
*LM2672M-5.0
*LM2672M-5.0/NOPB
LM2672M-5.0
*LM2672M-5.0/NOPB
LM2672M-5.0
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
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Typical Performance Characteristics
A: V
B: Inductor Current, 0.5 A/div
C: Output Ripple Voltage, 20 mV/div AC-Coupled
A: Output Voltage, 100 mV/div, AC-Coupled
B: Load Current: 200 mA to 1A Load Pulse
SW
Pin Voltage, 10 V/div.
Load Transient Response for Continuous Mode
L = 47 μH, C
L = 47 μH, C
Continuous Mode Switching Waveforms
Horizontal Time Base: 50 μs/div
V
V
Horizontal Time Base: 1 μs/div
IN
IN
= 20V, V
= 20V, V
OUT
OUT
= 68 μF, C
= 68 μF, C
OUT
OUT
= 5V, I
= 5V, I
OUT
OUT
LOAD
LOAD
ESR = 50 mΩ
ESR = 50 mΩ
= 1A
= 1A
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8
(Circuit of Figure 2)
A: V
B: Inductor Current, 0.5 A/div
C: Output Ripple Voltage, 20 mV/div AC-Coupled
A: Output Voltage, 100 mV/div, AC-Coupled
B: Load Current: 100 mA to 300 mA Load Pulse
SW
Load Transient Response for Discontinuous Mode
Pin Voltage, 10 V/div.
L = 15 μH, C
Discontinuous Mode Switching Waveforms
L = 47 μH, C
V
IN
Horizontal Time Base: 200 μs/div
Horizontal Time Base: 1 μs/div
= 20V, V
OUT
V
OUT
IN
= 68 μF (2×), C
= 20V, V
OUT
= 68 μF, C
= 5V, I
OUT
LOAD
OUT
= 5V,
OUT
ESR = 50 mΩ
= 300 mA
ESR = 25 mΩ
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