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ADP7112 Datasheet(PDF) 38 Page - Analog Devices

Part # ADP7112
Description  20V, 200mA, Ultra-Low Noise, Ultra-High PSRR, Linear Regulator
PDF  47 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

ADP7112 Datasheet(HTML) 38 Page - Analog Devices

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Data Sheet
LT3046
analog.com
Rev 0
38 of 47
Figure 79. Ultra-Low Noise Current Source for RF Biasing Applications (ROUT is the Output Resistance)
Figure 80. Programming UVLO
4.7µF
IOUT: 200mA
OUTPUT CURRENT NOISE = 0.8µVRMS/ROUT
INCREASE R1 (AND RSET) TO REDUCE CURRENT NOISE
ROUT = R1 + RLOAD
RLOAD
VOUT(MAX): 19V
4.7µF
100µA
IN
EN/UV
PGFB
VIN
SET
GND
ILIM
OUTS
OUT
LT3046
PG
4.7µF
2kΩ
RSET
1Ω
R1
10µF
0.47µF
100µA
REN2
107kΩ
REN1
49.9kΩ
33.2kΩ
IN
EN/UV
PGFB
VIN
4V TURN-ON
3.65V TURN-OFF
SET
GND
ILIM
OUTS
OUT
LT3046
VOUT
3.3V
IOUT(MAX)
200mA
PG
VIN(UVLO)RISING = 1.27V .
107kΩ
49.9kΩ
1 +
4.7µF



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