MIC94310-SYCS datasheet(7/15 Pages) MICREL

Part #	MIC94310-SYCS

Description	200mA LDO with Ripple Blocker??Technology

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Manufacturer	MICREL [Micrel Semiconductor]

Direct Link	http://www.micrel.com

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7 / 15 page

Micrel, Inc.

MIC94310

Typical Characteristics (Continued)

-120

-100

-80

-60

-40

-20

0

1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07

FREQUENCY (Hz)

PSRR C

OUT = 10µF

V

IN = 3.6V

V

IN = 2.5V

V

IN = 2.0V

V

IN = VIN(NOM) + 40mVpp

LOAD = 100mA

V

OUT = 1.8V

10

100

1K

10K

100K

1M

10M

-120

-100

-80

-60

-40

-20

0

1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07

FREQUENCY (Hz)

PSRR (Varying C

OUT)

C

OUT = 2.2µF

C

OUT = 1µF

C

OUT = 0.47µF

V

IN = 2.5V + 40mVpp

LOAD = 100mA

V

OUT = 1.8V

10

100

1K

10K

100K

1M

10M

Dropout Voltage

vs. Output Current

0

5

10

15

20

25

30

35

0

25

50

75

100

125

150

175

200

OUTPUT CURRENT (mA)

Output Voltage

vs. Output Current

1.700

1.725

1.750

1.775

1.800

1.825

1.850

1.875

1.900

0

20

40

60

80 100 120 140 160 180 200

OUTPUT CURRENT (mA)

VIN = 3.6V

CIN = COUT = 1µF

Output Voltage

vs. Input Voltage

1.60

1.65

1.70

1.75

1.80

1.85

1.90

1.95

2.00

2

2.2

2.4

2.6

2.8

3

3.2

3.4

3.6

INPUT VOLTAGE (V)

IOUT = 200mA

Ground Current

vs. Output Current

150

155

160

165

170

175

0

20

40

60

80

100 120 140 160 180 200

OUTPUT CURRENT (mA)

VIN =2.8V

CIN = COUT =1µF

Ground Current

vs. Input Voltage

120

130

140

150

160

170

180

190

2

2.2

2.4

2.6

2.8

3

3.2

3.4

3.6

INPUT VOLTAGE (V)

IOUT = 100mA

IOUT = 200mA

CIN = COUT =1µF

PSRR (Varying COUT)

-120

-100

-80

-60

-40

-20

0

1.E+01 1.E+02 1.E+03 1.E+04 1.E+05 1.E+06 1.E+07

FREQUENCY (Hz)

COUT = 2.2µF

COUT = 10µF

COUT = 4.7µF

VIN = 2.5V + 40mVpp

LOAD = 100mA

VOUT = 1.8V

10

100

1K

10K

100K

1M

10M

Output Noise Spectral Density

0.01

0.10

1.00

10.00

1.E+01

1.E+02

1.E+03

1.E+04

1.E+05

1.E+06

FREQUENCY (Hz)

VIN = VEN = 3.1V

CIN = COUT = 1µF

VOUT = 1.8V

NOISE (10Hz to 100kHz)

= 82.55µVRMS

10

100

1k

10k

100k

1M

September 11, 2014

7

Revision 2.1

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