EG Micro EG1252E
| Manufacturer | EG MicroAsian Brands |
| MPN | EG1252E |
| LCSC Part # | C48580023 |
| Packaging | SOP-8 |
| Customer # | |
| Key Attributes | Current mode controller |
| Datasheet |
Products Specifications
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/AC DC Converters, Offline Switchers | |
| Manufacturer | EG Micro | |
| Packaging | SOP-8 | |
| Operating Temperature | -45℃~+125℃ | |
| Output Current | 800mA | |
| Frequency - Switching | 100kHz | |
| Pd - Power Dissipation | - | |
| Voltage - Breakdown | - | |
| Voltage - Supply | - | |
| Features | Adjustable soft-start;EMI optimization (spread spectrum);Leading edge blanking;Under-voltage lockout;Brown-in/Brown-out detection;Over Current Protection;Under Voltage Protection | |
| Topology | Forward;Flyback | |
| Output Voltage | - | |
| Duty Cycle(Max) | 49% | |
| Working Mode | PWM Modulation | |
| Feedback System | Secondary-Side Feedback |
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/AC DC Converters, Offline Switchers | |
| Manufacturer | EG Micro | |
| Packaging | SOP-8 | |
| Operating Temperature | -45℃~+125℃ | |
| Output Current | 800mA | |
| Frequency - Switching | 100kHz | |
| Pd - Power Dissipation | - | |
| Voltage - Breakdown | - |
| Type | Description | |
|---|---|---|
| Voltage - Supply | - | |
| Features | Adjustable soft-start;EMI optimization (spread spectrum);Leading edge blanking;Under-voltage lockout;Brown-in/Brown-out detection;Over Current Protection;Under Voltage Protection | |
| Topology | Forward;Flyback | |
| Output Voltage | - | |
| Duty Cycle(Max) | 49% | |
| Working Mode | PWM Modulation | |
| Feedback System | Secondary-Side Feedback |
Introduction
EG1252E is a cost-effective current-mode PWM controller designed for medium- and high-power forward converter applications as well as flyback converter applications. The device incorporates a built-in frequency dithering function, offering excellent EMI characteristics. It integrates comprehensive protection features, including VCC undervoltage lockout, VCC overvoltage protection, cycle-by-cycle current limiting, input undervoltage protection, overload protection, and soft-start.
Features
- Peak current mode control
- Excellent EMI characteristics
- Minimal external components
- External soft-start
- Input undervoltage protection
- Supply undervoltage protection
- Optocoupler open-circuit protection
- Maximum duty cycle 49%
- External resistor programmable PWM frequency, up to 500kHz
- Cycle-by-cycle current limiting
- Output current capability IO +/-0.5A / 0.8A
- Built-in leading edge blanking
- Low startup current
- SOP8 package
Applications
- LED display
- Lithium battery charger
- Lead-acid battery charger
- Adapter
- Motor drive power supply
| Qty | Unit Price | Total Amount |
|---|---|---|
| 5+ | $ 0.0959 | $ 0.48 |
| 50+ | $ 0.0845 | $ 4.23 |
| 150+ | $ 0.0788 | $ 11.82 |
| 500+ | $ 0.0745 | $ 37.25 |
| 2,500+ | $ 0.0711 | $ 177.75 |
| 4,000+ | $ 0.0694 | $ 277.60 |
Standard Packaging4000/Full Reel | ||
Products Specifications
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/AC DC Converters, Offline Switchers | |
| Manufacturer | EG Micro | |
| Packaging | SOP-8 | |
| Operating Temperature | -45℃~+125℃ | |
| Output Current | 800mA | |
| Frequency - Switching | 100kHz | |
| Pd - Power Dissipation | - | |
| Voltage - Breakdown | - | |
| Voltage - Supply | - | |
| Features | Adjustable soft-start;EMI optimization (spread spectrum);Leading edge blanking;Under-voltage lockout;Brown-in/Brown-out detection;Over Current Protection;Under Voltage Protection | |
| Topology | Forward;Flyback | |
| Output Voltage | - | |
| Duty Cycle(Max) | 49% | |
| Working Mode | PWM Modulation | |
| Feedback System | Secondary-Side Feedback |
| Type | Description | |
|---|---|---|
| Category | Integrated Circuits (ICs)/Power Management (PMIC)/AC DC Converters, Offline Switchers | |
| Manufacturer | EG Micro | |
| Packaging | SOP-8 | |
| Operating Temperature | -45℃~+125℃ | |
| Output Current | 800mA | |
| Frequency - Switching | 100kHz | |
| Pd - Power Dissipation | - | |
| Voltage - Breakdown | - |
| Type | Description | |
|---|---|---|
| Voltage - Supply | - | |
| Features | Adjustable soft-start;EMI optimization (spread spectrum);Leading edge blanking;Under-voltage lockout;Brown-in/Brown-out detection;Over Current Protection;Under Voltage Protection | |
| Topology | Forward;Flyback | |
| Output Voltage | - | |
| Duty Cycle(Max) | 49% | |
| Working Mode | PWM Modulation | |
| Feedback System | Secondary-Side Feedback |
Introduction
EG1252E is a cost-effective current-mode PWM controller designed for medium- and high-power forward converter applications as well as flyback converter applications. The device incorporates a built-in frequency dithering function, offering excellent EMI characteristics. It integrates comprehensive protection features, including VCC undervoltage lockout, VCC overvoltage protection, cycle-by-cycle current limiting, input undervoltage protection, overload protection, and soft-start.
Features
- Peak current mode control
- Excellent EMI characteristics
- Minimal external components
- External soft-start
- Input undervoltage protection
- Supply undervoltage protection
- Optocoupler open-circuit protection
- Maximum duty cycle 49%
- External resistor programmable PWM frequency, up to 500kHz
- Cycle-by-cycle current limiting
- Output current capability IO +/-0.5A / 0.8A
- Built-in leading edge blanking
- Low startup current
- SOP8 package
Applications
- LED display
- Lithium battery charger
- Lead-acid battery charger
- Adapter
- Motor drive power supply
C48580023 EasyEDA Library
Compliance & Export Codes
| Type | Details |
|---|---|
| RoHS | |
| ECCN | - |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |
| Type | Details |
|---|---|
| RoHS | |
| ECCN | - |
| CNHTS | 8542399000 |
| USHTS | 8542390001 |
| TARIC | 8542399000 |
| Type | Details |
|---|---|
| CAHTS | 8542390000 |
| BRHTS | 85423999 |
| INHTS | 85423900 |
| MXHTS | 8542.39.99 |



