NJM2345 Series
PWM DC/DC Converter IC with Standby Function
NJM2345 Series
PWM DC/DC Converter IC with Standby Function
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Description
The NJM2345 is a step down PWM DC/DC converter IC.An internal 1.5A power transistor, a pulse-by pulse current limit circuit and a 1% precision reference make the NJM2345 suitable for a wide range of voltage converter needs.The NJM2345 features a standby function that can be used for both power saving and safety operation.
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Spec
Consumer Input Voltage Range 3 V to 40 V (40 V) Operating Temperature Range -40°C to 85°C Supply Current Typ. 2800 µA Standby Current 9 µA Output Voltage Range 1.25 V to 38 V Output Voltage Accuracy ± 1 % Output Current 1500 mA Oscillator Frequency 1kHz to 150kHz Maximum Duty Cycle 100% Package DIP8
DMP8Control Internal Over Current Limit Circuit Function Standby Function (9µA typ.) Note Internal High Power Transistor Protections / Functions
TSD ILX OCP OVP UVLO OVLO Reverse Shutdown Soft Start SSCG PGOOD Auto Discharge Anti-ringing Sequencing Max Duty Ext. Phase LED Adjust -
Technical
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Related Links
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Quality &
PackagesProduct Name Compatibility Package Marking Reliability NJM2345D DIP8 - NJM-t NJM2345M DMP8 - NJM-1-s-fr - Refer to the datasheets for the details on the product.
- The package file or the datasheet includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.
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Sample / Buy
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Buy Online
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Buy, Request for Samples, Request for Information Materials
Authorized Distributors
Please contact your local distributors for any sales-related inquiry such as price, stock, delivery, etc.
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Functional Description
TSD | Thermal Shutdown Function |
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ILX | LX Current Limit Function |
OCP | Overcurrent Protection |
OVP | Overvoltage Protection |
UVLO | Undervoltage Lockout Protection |
OVLO | Overvoltage Lockout Protection |
Reverse | Reverse Current Protection Circuit |
Shutdown | Shutdown Function |
Soft Start | Soft Start Function |
SSCG | Spread Spectrum Clock Generator Function |
PGOOD | Power Good Output |
Auto Discharge | Auto Discharge Function |
Anti-ringing | Anti-ringing Switch Function |
Sequencing | Start-up Sequencing Control |
Max Duty | Maximum Duty Cycle |
Ext. Phase | Externally Adjustable Phase Compensation |
LED Adjust | LED High-speed Dimming Control |