MAX8841ELT33+T datasheet(4/10 Pages) MAXIM

Part #	MAX8841ELT33+T

Description	Ultra-Low-Noise, High PSRR, Low-Dropout, 150mA Linear Regulators in 關DFN

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Manufacturer	MAXIM [Maxim Integrated Products]

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Ultra-Low-Noise, High PSRR, Low-Dropout,

150mA Linear Regulators in µDFN

4

_______________________________________________________________________________________

Typical Operating Characteristics (continued)

(VIN = VOUT + 0.5V, CIN = 1µF, COUT = 1µF, CBP = 10nF, TA = +25°C, unless otherwise noted.)

MAX8440

DROPOUT VOLTAGE vs. LOAD CURRENT

INPUT VOLTAGE (V)

125

100

75

50

25

40

20

80

60

120

100

160

140

200

180

0

150

TA = +85

°C

TA = +25

°C

TA = -40

°C

MAX8840

DROPOUT VOLTAGE vs. OUTPUT VOLTAGE

OUTPUT (V)

3.0

2.8

2.6

2.4

2.2

50

100

150

200

250

0

2.0

3.2

IOUT = 80mA

MAX8840

GROUND PIN CURRENT vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

4

3

2

1

150

200

50

100

250

300

350

0

05

ILOAD = 150mA

ILOAD = 0mA

MAX8840

GROUND PIN CURRENT vs. LOAD CURRENT

LOAD CURRENT (mA)

125

100

75

50

25

100

50

150

200

250

300

350

0

150

VIN = 3.8V

VIN = 5.5V

MAX8840

GROUND PIN CURRENT vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

35

40

45

50

30

-40

85

MAX8840

POWER-SUPPLY REJECTION RATIO

vs. FREQUENCY

FREQUENCY (kHz)

1

10

100

0.1

40

50

60

10

20

30

70

80

90

0

0.01

1000

ILOAD = 10mA

CBP = 10nF

MAX8841

POWER-SUPPLY REJECTION RATIO

vs. FREQUENCY

FREQUENCY (kHz)

0.1

1

10

100

40

50

60

10

20

30

70

80

90

0

0.01

1000

ILOAD = 10mA

MAX8840

OUTPUT NOISE

MAX8840 toc11

400

μs/div

VIN = 3.8V

ILOAD = 10mA

VNOISE = 11

μVRMS

20

μV/div

MAX8840

OUTPUT NOISE-SPECTRAL DENSITY

vs. FREQUENCY

MAX8840 toc12

FREQUENCY (kHz)

0.1

1

10

100

1000

100

10,000

10

0.01

1000

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MAX8841ELT33+T Datasheet(PDF) 4 Page - Maxim Integrated Products

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