PQ12RF21 datasheet(7/8 Pages) SHARP

7 / 8 page

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Low Power-Loss Voltage Regulators

PQ05RF2/PQ05RF21/PQ05RF2V Series

Fig.25 Ripple Rejection vs. Output Current

s Typical Application

PQ05RF2A

PQ05RF2B

Output voltage precision:

±5%

Output voltage precision:

±2.5%

s Model Line-ups for Lead Forming Type

5V Output

9V Output 12V Output

Output voltage

PQ09RF2A

PQ09RF2B

PQ12RF2A

PQ12RF2B

15V Output

PQ15RF2A

PQ15RF2B

Specific IC

High or Open : Output ON

Low

: Output OFF

VIN

ON/OFF

signal

CMOS or TTL

VIN

Cref

R1'

R2'

VO=Vref✕

1+ ––––––– q –––––––

R2'✕R2

R2'+R2

R1'+R1

R1'✕R1

Vref Nearly=1.26V,R1' Nearly=390

Ω

PQ05RF2V : R2'Nearly=1.16k

Ω

PQ09RF2V : R2'Nearly=2.40k

Ω

PQ12RF2V : R2'Nearly=3.32k

Ω

PQ15RF2V : R2'Nearly=4.45k

Ω

(Note) R1' and R2' are built in a specific IC.

PQ05RF2/PQ05RF21 Series

PQ05RF2V Series

0.5

1.0

1.5

2.0

f=120Hz,ei(rms)=0.5V,Cref=3.3

µF(Vtype)

VIN=7V(PQ05RF2 Series)

VIN=15V(PQ09RF2 Series)

VIN=18V(PQ12RF2 Series)

VIN=23V(PQ15RF2 Series)

Output current IO (A)

PQ05RF2/21,PQ09RF2/21

PQ12RF2/21,PQ15RF2/21

PQ05RF2V,PQ09RF2V

PQ12RF2V,PQ15RF2V

PQ12RF21 数据表(PDF) 7 Page - Sharp Corporation

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