Recherchez avec le numéro de pièce ainsi que le fabricant ou la description
Pin Symbol 1, 31, 32 SW1 2−7 VIN 8 – 10 11 12 SW2 GND2 SS2 13 COMP2 14 AGND 15 FB2 16 RT 17 TRACK 2 18 TRACK 1 19 SEQ2 20 EN2 21 SEQ1 22 EN1 23 PG2 24 PG1 25 AVIN 26 FB1 27 AGND 28 COMP1 29 SS1 30 GND1 Exposed Pad (GND) Description Switch node of Channel 1. Connect an inductor between SW1 and the regulator output. Input power supply voltag.
include cycle−by−cycle current limit and undervoltage lockout (UVLO). The NCP3123 comes in a 32−pin QFN package.
Features
• Input Voltage Range from 4.5 V to 13.2 V
• 12 Vin to 5.0 Vout = 85% Efficiency Min @ 3.0 A
• 200−2200 kHz Operation
• Stable with Low ESR Ceramic Output Capacitor
• 0.8 ±1.5% FB Reference Voltage
• External Soft−Start
• Out of Phase Operation of OUT1 & OUT2
• Auto−Tracking and Sequencing
• Enable/Disable Capability
• Hiccup Overload Protection
• Low Shutdown Power (Iq < 100 mA)
http://onsemi.com
1 32
QFN32 CASE 488AM
MARKING DIAGRAM
1
NCP3123 AWLYYWWG
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NCP3123 = Spec.
| No. | Partie # | Fabricant | Description | Fiche Technique |
|---|---|---|---|---|
| 1 | NCP3120 |
ON Semiconductor |
Step-Down DC/DC Switching Regulator |
|
| 2 | NCP3121 |
ON Semiconductor |
Step-Down DC/DC Switching Regulator |
|
| 3 | NCP3122 |
ON Semiconductor |
Step-Down DC/DC Switching Regulator |
|
| 4 | NCP3125 |
ON Semiconductor |
4A Synchronous PWM Switching Converter |
|
| 5 | NCP3126 |
ON Semiconductor |
3A Synchronous PWM Switching Converter |
|
| 6 | NCP3127 |
ON Semiconductor |
2A Synchronous PWM Switching Converter |
|
| 7 | NCP3101 |
ON Semiconductor |
Wide Input Voltage Synchronous Buck Converter |
|
| 8 | NCP3101C |
ON Semiconductor |
Wide Input Voltage Synchronous Buck Converter |
|
| 9 | NCP3102 |
ON Semiconductor |
Wide Input Voltage Synchronous Buck Converter |
|
| 10 | NCP3102C |
ON Semiconductor |
Wide Input Voltage Synchronous Buck Converter |
|
| 11 | NCP3133A |
ON Semiconductor |
3A Integrated Synchronous Buck Converter |
|
| 12 | NCP3134 |
ON Semiconductor |
4A Integrated Synchronous Buck Converter |
|