150 mA CMOS Low Iq LDO Voltage Regulator with Voltage Detector Output

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Overview

The NCP400 is a low-dropout regulator with integrated programmable delay's voltage detection function, which is designed for portable battery powered applications. This device is capable of supplying 150mA to output with a dropout of 160mV/100mA. Offers ultra-low quiescent current of 50uA(typ.) at full load and 0.25uA(typ.) when device is disabled. NCP400 contains a voltage reference unit, an error amplifier, comparators, PMOS power transistor, current limit and temperature limit protection circuits for the regulator portion.

The NCP400 has been designed to be used with low cost ceramic capacitors and requires a minimum output capacitor of 1.0uF at regulator output. The device is housed in the Microbump-6 package.

  • Memory Cards
  • Cellular Phones
  • Digital Still Cameras and Camcorders
  • Battery Powered Equipment
  • LDO Voltage Regulator and Voltage Detector Together in a VerySmall Wafer Level Package, 6 Bump FlipChip, 1.0 x 1.5 mm
  • Low Quiescent Current of 50uA Typical
  • Internal Current Limit and Thermal Shutdown Protection
  • Low Dropout Voltage of 160mV at 100mA
  • Low Cost and Small Size Ceramic Capacitors
  • Excellent Line and Load Regulation
  • High Accuracy on Regulator Output Voltage of 3.0%
  • High Accuracy on Detection Voltage Threshold of 2.0%

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CAD Models

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Output

Polarity

VO (V)

IO Typ (A)

VI Min (V)

VI Max (V)

VDO Typ (V)

Iq Typ (mA)

PSRR (dB)

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Reference Price

NCP400FCT2G

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CAD Model

Pb

A

H

P

Flip-Chip-6

1

260

DSFTP

3000

N

-

Positive

1.8

0.15

1.8

5

0.16

0.05

-

-

Yes

Yes

-

Price N/A

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