NJM2393 Series
Step-Down PWM DC/DC Converter IC
NJM2393 Series
Step-Down PWM DC/DC Converter IC
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Description
The NJM2393 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 NJM2393 suitable for a wide range of step down applications.The NJM2393 features 100% maximum duty cycle for low voltage drop operation.
Spec
Standard | |
---|---|
Input Voltage Range | 3 V to 40 V (40 V) |
Operating Temperature Range | -40°C to 85°C |
Supply Current | Typ. 2800 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 | DMP8 |
Control | PWM switching control |
Note | Internal High Power Transistor (1.5A max.) Internal Over Current Limit Circuit |
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 |
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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 |
Technical Documents
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Related Links
Quality & Packages
Product Name | Compatibility | Package | Marking | Reliability |
---|---|---|---|---|
NJM2393M |
|
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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NJM2393 Series