PQ12NF1 Просмотр технического описания (PDF) - Sharp Electronics

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PQ12NF1

1A Output, General Purpose Low Power-Loss Voltage Regulators

Sharp Electronics 

Low Power-Loss Voltage Regulators

Fig.16 Bias Supply Current vs. Bias Supply Voltage

(PQ12NF1) (Typical value)

10

VIN=14V

Tj=25˚C

RL=12Ω

5

RL=24Ω

RL=∞

0

0

5

10

15

Bias supply voltage VB (V)

PQ05NF1 Series

s Typical Application

VIN2

VIN1

CIN

ON/OFF

GND

VIN

VB

CB

PQ05NF1 series

GND

VO

+

VOUT

CO

GND

(1) This device can be used as a low power-loss voltage regulator, applying the voltage exceeding Vo+2.5V to bias input terminal ¢

(VB.)When bias input (VB) is open or less than 0.8V, OFF-state is available.

(VB>=VO+2.5V:output ON, VB=<0.8V or open:output OFF)

(2) It can used as a general regulator with single power supply (dropout voltage : MAX2.5V) by connecting bias input terminal ¢ (VB)

with DC input terminal £.

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