PQ05RB11 View Datasheet(PDF) - Sharp Electronics

Part Name

Description

MFG CO.

PQ05RB11

Low Power-Loss Voltage Regulators (Built-in Overheat Shut-Down Function)

Sharp Electronics 

1 2 3 4

Low Power-Loss Voltage Regulators

Fig.11 Circuit Operating Current vs. Input

Voltage (PQ12RB11)

40

Tj=25˚C

35

30

25

20

RL=12Ω

15

10

RL=24Ω

5

RL=∞Ω

0

5

10

Input voltage VIN (V)

s Overheat Shut-down Characteristics

ON

VIN

OFF

High(or open)

VC

Low

PQ05RB11 Series

Fig.12 Output Peak Current vs. Junction

Temperature

2.2

2.0

VIN-VO=5V

VIN-VO=2V

1.8 VIN-VO=1V

VIN-VO=0.5V

1.6

1.4 IOP:Output current when

output voltage is 95%

in comparison with

1.2 the initial value

-25 0 25 50 75

100 125

Junction temperature Tj (˚C)

*Tsd

Tj

VO

*Tsd : Overheat shut-down temperature (Tj>=110˚C)

(1) Overheat shut-down operates at Tj=Tsd and output OFF-state is maintained.

(2) OFF-state is kept untill VIN is once turned off or Vc is turned down to the “L” level.

s Typical Applications

DC input 1q

2q

VO

Specific IC

4q

3q

+

0.33µF

CO

ON/OFF Signal (High or Open : Output ON)

(Low

: Output OFF)

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