NCP1252ADR2G ( NCP1252A NCP1252 ) PWM Controller IC
₹70.00
NCP1252ADR2G (NCP1252A) is an current-mode PWM controller IC designed for flyback and forward SMPS applications. It features soft-start, brown-out protection, over-current protection, UVLO and an external MOSFET gate driver in an 8-pin SOIC package.
Description
NCP1252ADR2G (NCP1252A) is a current-mode PWM controller IC , designed for controlling external MOSFETs in offline flyback and forward switching power supplies. It integrates PWM control, current sensing, soft-start, brown-out detection, UVLO and over-current protection, making it suitable for SMPS, AC-DC adapters and power-supply applications.
Specifications
| Specification | Details |
|---|---|
| Part Number | NCP1252ADR2G |
| Device | NCP1252A |
| IC Type | Current-Mode PWM Controller |
| Application | Flyback / Forward Converter |
| Package | SOIC-8 |
| Number of Pins | 8 |
| Maximum Duty Cycle | 50% |
| VCC Operating Range | 8 V – 28 V |
| Switching Frequency | Up to 500 kHz |
| Gate Drive | External MOSFET |
| Feedback | FB Input |
| Current Sense | CS Input |
| Soft Start | Yes |
| Brown-Out Protection | Yes |
| UVLO | Yes |
| Over-Current Protection | Yes |
| Frequency Setting | External RT Resistor |
| Lead-Free | Yes |
| IC Marking | 1252A |
Features
- Current-mode PWM control
- Designed for offline SMPS
- Supports flyback and forward converters
- External MOSFET gate-driver output
- Adjustable switching frequency
- Adjustable soft-start
- Primary-side current sensing
- Brown-out protection
- Under-voltage lockout (UVLO)
- Primary over-current protection
- Internal leading-edge blanking
- Frequency jittering
- Suitable for high-frequency switching applications
- Compact SOIC-8 package
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