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NCP1450ASN50T1G

DC/DC Controller, Voltage Mode, 600mV to 6V, 1 Output, Boost, 216kHz, TSOP-5

ON SEMICONDUCTOR NCP1450ASN50T1G

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Manufacturer Part No:
NCP1450ASN50T1G
Order Code:
1460676
Technical Datasheet:
NCP1450ASN50T1G   Datasheet
See all Technical Docs

Product Overview

The NCP1450ASN50T1G is a PWM step-up DC-DC Switching Controller IC, specially designed for powering portable equipment from one or two cells battery packs. The NCP1450ASN50T1G series have a driver pin, EXT pin, for connecting to an external transistor. Large output currents can be obtained by connecting a low ON-resistance external power transistor to the EXT pin. The device will automatically skip switching cycles under light load condition to maintain high efficiency at light loads. With only six external components, this series allows a simple means to implement highly efficient converter for large output current applications.
  • 86% at IO = 200mA VIN = 2.0V, VOUT = 3.0V, 88% at IO = 400mA VIN = 3.0V, VOUT = 5.0V High Efficiency
  • Low Startup Voltage of 0.9V Typical at IO = 1.0mA
  • Operation Down to 0.6V
  • 1.9, 2.7, 3.0, 3.3 and 5.0V (with High) Standard Voltages
  • ±2.5% Accuracy
  • Low Conversion Ripple
  • High Output Current up to 1000mA (3.0V Version at VIN = 2.0V, L = 10µH, COUT = 220µF)
  • Fixed Frequency Pulse Width Modulation (PWM) at 180kHz
  • Chip Enable Pin with On-chip 150nA Pullup Current Source

Applications

Portable Devices, Imaging, Video & Vision, Portable Devices, Audio

Warnings

Maximum ratings are those values beyond which device damage can occur.

Product Information

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:
600mV

:
6V

:
1 Output

:
90%

:
TSOP

:
5Pins

:
216kHz

:
Boost (Step Up)

:
-40°C

:
85°C

:
-

:
-

:
-
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Technical Docs (2)

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