NCP3121 Overview
Pin Symbol 1, 31, 32 SW1 2−7 VIN 8 10 11 12 SW2 GND2 SS2 13 P2 14 AGND 15 FB2 16 RT 17 TRACK 2 18 TRACK 1 19 SEQ2 20 EN2 21 SEQ1 22 EN1.
NCP3121 Key Features
- Input Voltage Range from 4.5 V to 13.2 V
- 12 Vin to 5.0 Vout = 85% Efficiency Min @ 3.0 A
- 200-750 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
NCP3121 Applications
- Input Voltage Range from 4.5 V to 13.2 V
- 12 Vin to 5.0 Vout = 85% Efficiency Min @ 3.0 A