Datasheet HMC976LP3E (Analog Devices) - 3

HMC976LP3E
v02.1112
400mA LOW NOISE, HIGH PSRR LINEAR VOLTAGE REGULATOR Figure 1. Vout=5V Output Noise Figure 2. Vout=3.3V Output Noise Spectral Density
[1]
Spectral Density
[2] 10-5 10-5 C3=1uF 10-6 C2=10uF 10-6 tHz) /r C3=1uF tHz) V /r C2=1uF V C3=4.7uF 10-7 10-7 C2=4.7uF 10-8 10-8 NOISE VOLTAGE ( NOISE VOLTAGE ( 10-9 10-9 C3=4.7uF C2 =4.7uF C3=4.7uF C2=10uF 10-10 10-10 101 102 103 104 105 106 107 108 101 102 103 104 105 106 107 108 FREQUENCY (Hz) FREQUENCY (Hz)
Figure 3. Vout 4.8V PSRR vs. Figure 4. Vout=3.3V PSRR vs. Vin-Vout
[3]
Vin-Vout
[2] -20 -20 VIN-VOUT=0.5V VIN-VOUT=0.25V -30 VIN-VOUT=0.4V -30 -40 -40 -50 (dB) (dB) -50 VIN-VOUT=0.8V T PSRR VIN-VOUT=0.6V -60 PSRR VIN-VOUT=1.0V -60 M -70 VIN-VOUT=0.8V VIN-VOUT=1.7V -70 -80 -80 -90 G - S 102 103 104 105 106 107 108 102 103 104 105 106 107 108 FREQUENCY (Hz) FREQUENCY (Hz) IN N IO
Figure 5. Vout=5V and Vref vs. Figure 6. Vout=5V and Vref vs.
IT
Temperature
[1,4]
Temperature
[1,4] 4.975 1.175 5.00 0.6 D 25C N VREF 4.90 0.5 D 4.970 1.170 85C ROPOUT O -40 4.80 0.4 VIN- V 4.965 1.165 VREF OLTAGE ) VOUT (V (V 4.70 0.3 R C VR (V ( 4.960 ) V VIN-VOUT (V) E 1.160 VOUT VOUT ) 4.60 0.2 W 4.955 1.155 4.50 0.1 O P 4.950 1.150 4.40 0 -40 -30 -20 -10 0 10 20 30 40 50 60 70 80 90 4 4.2 4.4 4.6 4.8 5 5.2 5.4 5.6 TEMPERATURE (°C) INPUT VOLTAGE (V) [1] VDD=5.5V,400mA Load see “HMC976LP3E 5V User Application Schematic” [2] VDD=5.0V,400mA Load see “HMC976LP3E 3.3V User Application Schematic” [3] VDD=5.5V,400mA Load see “HMC976LP3E 4.8V User Application Schematic”. [4] Temperature is the ambient temperature of the standard HMC976LP3E evaluation board, still air. InfoFro ma r p tion rfiucre nis, d he e d lbiv y e An raly a og n Ded t viceo p s is la be clie o eved rtd o e b re sa: H ccur iattti e te M and re ilicarbloew . a Ho ve C wever, onro For price, delivery, and to place orders: Analog Devices, Inc., responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other poration, 2 Elizabeth Drive, Chelmsford, MA 01824 One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106 3 978-250-3343 tel • 978-250-3373 fax • O rights of third parties that may result from its use. Specifications subject to change without notice. No rd P e h r O one n : 7-lin 81- e a 329-t w 47 w 0 w.h 0 • O it rd teite r o .nc li o n m license is granted by implication or otherwise under any patent or patent rights of Analog Devices. e at www.analog.com Application S Trademarks and registered trademarks are the property of their respective owners. upport: apps@ A h p i p tliti c te ati .ocom n Support: Phone: 1-800-ANALOG-D