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NCP3121 Datasheet - ON Semiconductor

NCP3121_ONSemiconductor.pdf

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Datasheet Details

Part number:

NCP3121

Manufacturer:

ON Semiconductor ↗

File Size:

2.37 MB

Description:

Step-down dc/dc switching regulator.

NCP3121, Step-Down DC/DC Switching Regulator

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

NCP3121 Features

* include cycle

* by

* cycle current limit and undervoltage lockout (UVLO). The NCP3121 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

* 750 kHz Operation

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