LM2594M-ADJ/NOPB National Semiconductor, LM2594M-ADJ/NOPB Datasheet - Page 7
![IC REG SIMPLE SWITCHER 8-SOIC](/photos/6/56/65640/pkg_m08a_sml.jpg)
LM2594M-ADJ/NOPB
Manufacturer Part Number
LM2594M-ADJ/NOPB
Description
IC REG SIMPLE SWITCHER 8-SOIC
Manufacturer
National Semiconductor
Series
SIMPLE SWITCHER®r
Type
Step-Down (Buck)r
Specifications of LM2594M-ADJ/NOPB
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
1.2 ~ 37 V
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)
Primary Input Voltage
60V
No. Of Outputs
1
Output Voltage
37V
Output Current
500mA
No. Of Pins
8
Operating Temperature Range
-40°C To +125°C
Msl
MSL 1 - Unlimited
Rohs Compliant
Yes
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
1.2 to 37 V
Peak Reflow Compatible (260 C)
Yes
Termination Type
SMD
Filter Terminals
SMD
Input Voltage
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-ADJ
LM2594M-ADJ
LM2594M-ADJ
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LM2594M-ADJ/NOPB
Manufacturer:
National Semiconductor
Quantity:
1 940
Company:
Part Number:
LM2594M-ADJ/NOPB
Manufacturer:
NS/TI
Quantity:
70
Typical Performance Characteristics
Continuous Mode Switching Waveforms
V
L = 100 µH, C
A: Output Pin Voltage, 10V/div.
B: Inductor Current 0.2A/div.
C: Output Ripple Voltage, 20 mV/div.
Load Transient Response for Continuous Mode
V
L = 100 µH, C
A: Output Voltage, 50 mV/div. (AC)
B: 200 mA to 500 mA Load Pulse
IN
IN
= 20V, V
= 20V, V
Horizontal Time Base: 50 µs/div.
OUT
OUT
Horizontal Time Base: 2 µs/div.
OUT
OUT
= 5V, I
= 5V, I
= 120 µF, C
= 120 µF, C
LOAD
LOAD
= 400 mA
= 200 mA to 500 mA
OUT
OUT
ESR = 140 m
ESR = 140 m
DS012439-19
DS012439-17
Discontinuous Mode Switching Waveforms
V
L = 33 µH, C
A: Output Pin Voltage, 10V/div.
B: Inductor Current 0.2A/div.
C: Output Ripple Voltage, 20 mV/div.
Load Transient Response for Discontinuous Mode
V
L = 33 µH, C
A: Output Voltage, 50 mV/div. (AC)
B: 100 mA to 200 mA Load Pulse
7
IN
IN
= 20V, V
= 20V, V
Horizontal Time Base: 200 µs/div.
OUT
OUT
Horizontal Time Base: 2 µs/div.
OUT
OUT
= 5V, I
= 5V, I
= 220 µF, C
= 220 µF, C
LOAD
LOAD
= 200 mA
= 100 mA to 200 mA
OUT
OUT
ESR = 60 m
ESR = 60 m
DS012439-20
DS012439-18
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