Linear Voltage Regulator for Demanding Low Phase Noise VCO/PLL Applications!
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Analog, Digital & Mixed-Signal
ICs, Modules, Subsystems & Instrumentation
HMC860LP3E Quad Output Low Noise High PSRR Linear Voltage Regulator
1μA Power Down Current
Low Noise Spectral Density:
3nV/√Hz 10 kHz
7nV/√Hz 1 kHz
High PSRR:
80 dB 1 kHz
60 dB 1 MHz
Four Voltage Outputs:
VR1 = 3V 75 mA
VR2, VR3 = 3V 15 mA
VR4 = 4.5V 100 mA
All Outputs Are Adjustable
From 2.5V to 5.2V
RD2
RD1
+5V System
Power Rail
Vdd
ENABLE
Low Noise Regulator
+5V
VR1
75mA
VR2
BAND
GAP
15mA
RFOUT
VR3
15mA
REF
VR4
100mA
HMC860LP3E
RD3
RD4
PLL with Integrated VCO +3V tune PLL
HMC821LP6CE
Charge Pump
+3V
TCXO
Reference
Oscillator Input
HIGH PSRR - QUAD LINEAR VOLTAGE REGULATOR - New Product Line!
Function
Output
Current
(mA)
Power Supply Rejection
Ratio (PSRR) (dB)
Output Noise Spectral
Density (nV/√Hz) Regulated
Outputs Package
Input
Voltage (V)
Output
Voltage (V)
Part
Number
3. 35 - 5. 6
Quad Voltage
Regulator
2.5 - 5.2
15 - 100
80
60
7
3
4
LP3 HMC860LP3E
Ideal for Powering Hittite’s Broad Line of Frequency Generation Products
Including Our Low Noise PLLs with Integrated VCOs!
20 Alpha Road Chelmsford, MA 01824
Phone: 978-250-3343 • Fax: 978-250-3373 • sales@hittite.com
Order On-Line at: www.hittite.com
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