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Details for LM2594N-3.3/NOPB by Texas Instruments
Electronic & Electrical Components > Semiconductors - ICs > Power Management
SWITCHING REG 0.5A 3.3V 2594 DIP8
LM2594N-3.3/NOPB image

LM2594N-3.3/NOPB by Texas Instruments

SWITCHING REG 0.5A 3.3V 2594 DIP8
Features
150-kHz Fixed-Frequency Internal Oscillator
3.3-V, 5-V, 12-V, and Adjustable Output Versions
Adjustable Version Output Voltage Range: 1.2 V to 37 V (57 V for the HV Version), u00b14% Maximum Over Line and Load Conditions
Available in 8-Pin Surface-Mount SOIC and 8-Pin PDIP Packages
Ensured 0.5-A Output Current
High Efficiency
Input Voltage Range up to 60 V
Low Power Standby Mode, IQ Typically 85 u03bcA
Requires Only 4 External Components
TTL Shutdown Capability
Thermal Shutdown and Current-Limit Protection
Uses Readily-Available Standard Inductors
Part Information
LM2594N-3.3/NOPB image
RoHS Compliant
Description
The LM2594xx series of regulators are monolithic integrated circuits that provide all the active functions for a step-down (buck) switching regulator, capable of driving a 0.5-A load with excellent line and load regulation. These devices are available in fixed output voltages of 3.3 V, 5 V, 12 V, and an adjustable output version, and are packaged in a 8-pin PDIP and a 8pin surface-mount SOIC package. Requiring a minimum number of external components, these regulators are simple to use and feature internal frequency compensation, a fixedfrequency oscillator, and improved line and load regulation specifications. The LM2594xx series operates at a switching frequency of 150-kHz, thus allowing smaller-sized filter components than what would be needed with lower-frequency switching regulators. Because of its high efficiency, the copper traces on the printedcircuit board are normally the only heat sinking needed.
Specifications
Topology:
Buck (Step Down)
Input Voltage Min:
4.5V
Input Voltage Max:
40V
DC / DC Converter IC Case:
DIP
No. of Pins:
8Pins
Output Current:
500mA
Output Voltage Nom.:
3.3V
Switching Frequency:
150kHz
Operating Temperature Max:
125°C
Product Range:
-
Automotive Qualification Standard:
-
MSL:
MSL 1 - Unlimited
SVHC:
No SVHC (27-Jun-2018)
Accuracy %:
4%
Base Number:
2594
Frequency:
150kHz
IC Generic Number:
2594
No. of Outputs:
1Outputs
Operating Temperature Min:
-40°C
Operating Temperature Range:
-40°C to +125°C
Output Current Max:
0.5A
Output Voltage:
3.3V
Power Supply IC Type:
Step-down switching regulator
Primary Input Voltage:
12V
Supply Voltage Max:
40V
Supply Voltage Min:
4.5V
Voltage Regulator Type:
Switching Step Down (Buck) Inverting
Alternate Descriptions
Conv DC-DC Single Inv/Step Down 4.5V to 40V 8-Pin PDIP Rail Avnet America
Conv DC-DC Single Inv/Step Down 4.5V to 40V 8-Pin PDIP Rail Avnet Europe