ChongMing Group (HK) Int'l Co., Ltd
CHONGMING GROUP (HK) INT'L CO., LTD.
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FEATURES
• 3.5V to 28V Input Voltage Range
• Adjustable Output Voltage Down to 0.8V
• Integrated 80 mΩ High Side MOSFET Supports
up to 3A Continuous Output Current
• High Efficiency at Light Loads with a Pulse
Skipping Eco-mode™
• Fixed 570kHz Switching Frequency
• Typical 1µA Shutdown Quiescent Current
• Adjustable Slow Start Limits Inrush Currents
• Programmable UVLO Threshold
• Overvoltage Transient Protection
| NAME | NO. | DESCRIPTION |
| BOOT | 1 | A 0.1 µF bootstrap capacitor is required between BOOT and PH. If the voltage on this capacitor falls below the minimum requirement, the high-side MOSFET is forced to switch off until the capacitor is refreshed. |
| VIN |
2 |
Input supply voltage, 3.5 V to 28 V. |
| EN | 3 | Enable pin. Pull below 1.25V to disable. Float to enable. Programming the input undervoltage lockout with two resistors is recommended. |
| SS | 4 | Slow start pin. An external capacitor connected to this pin sets the output rise time |
| VSENSE | 5 | Inverting node of the gm error amplifier |
| COMP | 6 | Error amplifier output, and input to the PWM comparator. Connect frequency compensation components to this pin |
| GND | 7 | Ground. |
| PH | 8 | The source of the internal high-side power MOSFET. |
STOCK LIST
| EPC1441PC8 | 1950 | ALTERA | 15+ | DIP-8 |
| FS6S1265RESYDTU | 3460 | FAIRCHILD | 14+ | TO-3P |
| IPS024G | 1780 | IR | 13+ | SOP-16 |
| ADM691ANZ | 2000 | AD | 14+ | DIP |
| FDN306P | 2200 | FSC | 15+ | SOT-23 |
| BCP55 | 12000 | 16+ | SOT-223 | |
| IRLZ44Z | 890 | IR | 15+ | TO-220 |
| IRFU024NPBF | 1500 | IR | 12+ | TO-251 |
| BCX19 | 6000 | FSC | 15+ | SOT-23 |
| FOD817C300 | 2200 | FSC | 15+ | DIP-4 |
| HFCN-440+ | 1520 | MINI | 13+ | SMD |
| BTA26-800CW | 2100 | ST | 15+ | TO-220 |
| FM22L16-55-TG | 2200 | RAMTRON | 15+ | TSSOP44 |
| 1N4150W-V-GS08 | 9000 | VISHAY | 16+ | SOD123 |
| DG508ACJ+ | 8310 | MAXIM | 13+ | DIP-16 |
| AD8495ARMZ | 2450 | AD | 15+ | MSOP-8 |
| GP1S094HCZOF | 3460 | SHARP | 13+ | DIP |
| IRG4PF50WD | 1500 | IR | 13+ | TO-3P |
| BCX71J | 6000 | 13+ | SOT-23 | |
| IRGPS40B120UDP | 1100 | IR | 12+ | TO-247 |
| DS75S+T | 4470 | MAXIM | 16+ | SOP-8 |
| CY8C29666-24PVXIT | 2450 | CYPRESS | 14+ | SSOP |
| EDJ2116DASE-DJ-F | 3120 | ELPIDA | 16+ | BGA |
| IRLL2705TRPBF | 6000 | IR | 16+ | SOT-23 |
| CDRH2D18/HP-2R2NC | 5500 | SUMIDA | 15+ | SMD |