LM2594M-5.0/NOPB National Semiconductor, LM2594M-5.0/NOPB Datasheet - Page 17
![IC REG SIMPLE SWITCHER 8-SOIC](/photos/6/56/65640/pkg_m08a_sml.jpg)
LM2594M-5.0/NOPB
Manufacturer Part Number
LM2594M-5.0/NOPB
Description
IC REG SIMPLE SWITCHER 8-SOIC
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Step-Down (Buck)r
Specifications of LM2594M-5.0/NOPB
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
5V
Current - Output
500mA
Frequency - Switching
150kHz
Voltage - Input
4.5 ~ 40 V
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Current, Input Bias
10 nA
Current, Output
0.5 A
Current, Supply
5 mA
Frequency, Oscillator
150 kHz
Package Type
SOIC
Regulator Type
Buck (Step-Down)
Temperature, Operating, Range
-40 to +125 °C
Voltage, Input
4.5 to 40 V
Voltage, Output
5 V
Primary Input Voltage
12V
No. Of Outputs
1
Output Voltage
5V
Output Current
500mA
No. Of Pins
8
Operating Temperature Range
-40°C To +125°C
Supply Voltage Range
4.5V To 40V
Rohs Compliant
Yes
Filter Terminals
SMD
Input Voltage Primary Max
40V
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Power - Output
-
Lead Free Status / Rohs Status
RoHS Compliant part
Electrostatic Device
Other names
*LM2594M-5.0
*LM2594M-5.0/NOPB
LM2594M-5.0
*LM2594M-5.0/NOPB
LM2594M-5.0
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM2594M-5.0/NOPB
Manufacturer:
TI
Quantity:
4 540
Company:
Part Number:
LM2594M-5.0/NOPB
Manufacturer:
NS
Quantity:
480
Part Number:
LM2594M-5.0/NOPB
Manufacturer:
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LM2594/LM2594HV Series Buck Regulator Design Procedure
more
Block Diagram
Application Information
PIN FUNCTIONS
+V
regulator. A suitable input bypass capacitor must be present
at this pin to minimize voltage transients and to supply the
switching currents needed by the regulator.
20V
30V
40V
50V
VR
or
IN
— This is the positive input supply for the IC switching
MBRS1100
SGL41-60
MBRS130
MBRS140
10BQ040
10MQ040
MBRS160
10BQ050
10MQ060
10MQ090
Schottky
SS16
Surface Mount
MURS120
10BF10
Ultra Fast
diodes are
rated to at
Recovery
least 60V.
these
All of
1A Diodes
MBR160
1N5817
SR102
1N5818
SR103
11DQ03
1N5819
SR104
11DQ04
SR105
MBR150
11DQ05
11DQ10
Schot-
SB160
tky
Through Hole
FIGURE 11. Diode Selection Table
MUR120
HER101
11DF1
All of these
diodes are
Ultra Fast
rated to at
Recovery
least 60V.
FIGURE 12.
17
Ground — Circuit ground.
Output — Internal switch. The voltage at this pin switches
between (+V
cycle of V
the PC board copper area connected to this pin should be
kept to a minimum.
OUT
IN
/V
− V
IN
. To minimize coupling to sensitive circuitry,
SAT
) and approximately −0.5V, with a duty
(Continued)
DS012439-21
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