NJM2309 Series
Switching Regulator Control IC for Step-Down
NJM2309 Series
Switching Regulator Control IC for Step-Down
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Description
The NJM2309 is a step-down Switching regulator IC with a wide operating voltage.It features an open collector driver that can configure step-down applications.Internal soft-start function and timer latch function for short circuit protection are included, requiring no external components.
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Spec
Consumer Input Voltage Range 3.6 V to 32 V (36 V) Operating Temperature Range -40°C to 85°C Supply Current Typ. 5500 µA Output Voltage Range 0.52 V to 30 V Output Voltage Accuracy ± 2 % Oscillator Frequency 5kHz to 500 kHz Maximum Duty Cycle Duty Cycle (0% to 100%) Package DMP8
SOP8 JEDEC 150mil
SSOP8Control PWM switching control Function Soft Start function
Timer Latch for Short Circuit ProtectionNote Under Voltage Lockouts (U.V.LO) 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 NJM2309M DMP8 - NJM-1-s-fr NJM2309E SOP8 JEDEC 150mil(EMP8) - NJM-1-s-fr NJM2309V SSOP8 - 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 |