NCP1450A - PWM Step-up DC-DC Controller

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NCP1450A PWM Step-up DC-DC Controller by ON - Datasheet Preview — Datasheet preview – NCP1450A

Datasheet Details

Part number	NCP1450A
Manufacturer	ON
File Size	216.34 KB
Description	PWM Step-up DC-DC Controller
Datasheet	NCP1450A Datasheet
Additional preview pages of the NCP1450A datasheet.

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Description

Pin # 1 ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ2 ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ3 ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ4 ÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁÁ5 Symbol CE OUT NC GND EXT Pin Description Chip Enable Pin (1) The chip is enabled if a voltage equal to or greater than 0.9 V is applied.(2) The chip is disabled if a voltage less than 0.3 V is applied.(3) The chip is enabled if this pin is left flo

Features

High Efficiency 86% at IO = 200 mA, VIN = 2.0 V, VOUT = 3.0 V 88% at IO = 400 mA, VIN = 3.0 V, VOUT = 5.0 V.
Low Startup Voltage of 0.9 V typical at IO = 1.0 mA.
Operation Down to 0.6 V.
Five Standard Voltages: 1.9 V, 2.7 V, 3.0 V, 3.3 V, 5.0 V with High Accuracy ± 2.5%.
Low Conversion Ripple.
High Output Current up to 1000 mA (3.0 V version at VIN = 2.0 V, L = 10 mH, COUT = 220 mF).
Fixed Frequency Pulse Width Modulation (PWM) at 1.

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Published: May 12, 2005 |