SIP21106 데이터 시트보기 (PDF) - Vishay Semiconductors

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SIP21106

150-mA Low Noise, Low Dropout Regulator

Vishay Semiconductors 

End of Life. Last Available Purchase Date is 31-Dec-2014

SiP21106, SiP21107, SiP21108

Vishay Siliconix

TYPICAL OPERATING WAVEFORMS

SiP21107: 1.8 V

VIN = 2.8 V

VOUT = 1.8 V

CIN = 1 µF

COUT = 1 µF

CBP = 10 nF

IOUT = 1 mA

VOUT (500 mV/DIV)

POK (1 V/DIV)

POK (1 V/DIV)

VOUT (500 mV/DIV)

SiP21107: 2.8 V

VIN = 3.8 V

VOUT = 2.8 V

CIN = 1 µF

COUT = 1 µF

CBP = 10 nF

IOUT = 1 mA

20 µs/DIV

POK pin is actively high to indicate an output normal

operation condition on regular

20 µs/DIV

POK pin is actively high to indicate an output normal

operation condition on regular

TYPICAL WAVEFORMS

1

VOUT (100 µV/DIV)

VNOISE = 60 µVRMS

2 ms/DIV

Output Noise

SiP21106: 2.8 V

VIN = 4.5 V

VOUT = 2.8 V

CIN = 1 µF

COUT = 1 µF

CBP = 10 nF

IOUT = 150 mA

FUNCTIONAL BLOCK DIAGRAM

0.1

0.01

10

SiP21106: 2.8 V

VIN = 3.8 V

VOUT = 2.8 V

CIN = 1 µF

COUT = 1 µF

CBP = 10 nF

IOUT = 100 mA

100

1K

10K

100K

1M

Frequency (Hz)

Output Noise Spectral Density

VIN

EN

B*P/A*d*j/P*O**K

Enable

Bandgap

Reference

Current Limit and

Thermal

Error-Amp

VOUT

www.vishay.com

12

+

POK

-

0.94 VOUT

SiP21106: BP

SiP21107: POK

SiP21108: Adj

* SiP21106: BP

*** SiP21107: POK

** SiP21108: Adj

Figure 3.

GND

Document Number: 74442

S09-1047-Rev. G, 08-Jun-09

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