4

For price, delivery and to place orders: Hittite Microwave Corporation, 2 Elizabeth Drive, Chelmsford, MA 01824

978-250-3343 tel • 978-250-3373 fax • Order On-line at www.hittite.com

Application Support: apps@hittite.com

HMC976LP3E

400mA LOW NOISE, HIGH PSRR

LINEAR VOLTAGE REGULATOR

v02.1112

4.88

4.92

4.96

5.00

5.04

5.08

0

100

200

300

400

500

-5

0

5

10

15

20

25

30

35

40

45

TIME (ms)

CURRENT

VR Output

4.88

4.92

4.96

5.00

5.04

5.08

0

100

200

300

400

500

-5

0

5

10

15

20

25

30

35

40

45

TIME (ms)

CURRENT

VR Output

0.00

0.500

1.00

1.50

2.00

2.50

3.00

3.50

4.00

0.00

0.500

1.00

1.50

2.00

2.50

3.00

3.50

4.00

-50

0

50

100

150

200

250

300

350

400

450

TIME (ms)

VR Output

ENA

0.00

0.500

1.00

1.50

2.00

2.50

3.00

3.50

4.00

0.00

0.500

1.00

1.50

2.00

2.50

3.00

3.50

4.00

-0.200

0.00

0.200

0.400

0.600

0.800

TIME (s)

VR Output

ENA

10

-10

10

-9

10

-8

10

-7

10

-6

10

-5

10

1

10

2

10

3

10

4

10

5

10

6

10

7

10

8

FREQUENCY (Hz)

Commercial PSU Output

Input to regulator

HMC976LP3E Output

4.950

4.970

4.990

5.010

5.030

5.050

0

50

100

150

200

250

300

350

400

LOAD CURRENT mA

Figure 7. Output Load Switched

Figure 8. Output Load Switched

Figure 11. HMC976LP3E Output Noise

Information furnished by Analog Devices is believed to be accurate and reliable. However, no

responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other

rights of third parties that may result from its use. Specifications subject to change without notice. No

license is granted by implication or otherwise under any patent or patent rights of Analog Devices.

Trademarks and registered trademarks are the property of their respective owners.

For price, delivery, and to place orders: Analog Devices, Inc.,

One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106

Phone: 781-329-4700 • Order online at www.analog.com

Application Support: Phone: 1-800-ANALOG-D