MAX8511 datasheet(3/11 Pages) MAXIM

Part #	MAX8511

Description	Ultra-Low-Noise, High PSRR, Low-Dropout, 120mA Linear Regulators

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Manufacturer	MAXIM [Maxim Integrated Products]

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Ultra-Low-Noise, High PSRR,

Low-Dropout, 120mA Linear Regulators

_______________________________________________________________________________________

3

ELECTRICAL CHARACTERISTICS (continued)

(VIN = VOUT + 0.5V, TA = -40°C to +85°C, unless otherwise noted. CIN = 1µF, COUT = 1µF, CBP = 10nF. Typical values are at +25°C;

the MAX8512 is tested with 2.45V output, unless otherwise noted.) (Note 1)

Note 1: Limits are 100% tested at +25°C. Limits over operating temperature range are guaranteed by design.

Note 2: Dropout is defined as VIN - VOUT when VOUT is 100mV below the value of VOUT for VIN = VOUT + 0.5V.

Note 3: Time needed for VOUT to reach 90% of final value.

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

MAX8510

11

f = 100Hz to 100kHz,

ILOAD = 10mA

MAX8511/MAX8512

230

MAX8510

13

Output Noise Voltage

(RMS)

f = 100Hz to 100kHz,

ILOAD = 80mA

MAX8511/MAX8512

230

µV

Shutdown Exit Delay

RLOAD = 50

Ω (Note3)

300

µs

SHDN Logic Low Level

VIN = 2V to 6V

0.4

V

SHDN Logic High Level

VIN = 2V to 6V

1.5

V

TA = +25°C

SHDN Input Bias Current

VIN = 6V, SHDN = 0V or

6V

TA = +85°C

0.01

µA

TA = +25°C

0.006

0.1

FB Input Bias Current

(MAX8512)

VIN = 6V,VFB = 1.3V

TA = +85°C

0.01

µA

Thermal Shutdown

160

°C

Thermal-Shutdown

Hysteresis

10

°C

Typical Operating Characteristics

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

MAX8510

OUTPUT VOLTAGE vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

5

4

3

2

1

0.5

1.0

1.5

2.0

2.5

3.0

0.0

06

IOUT = 120mA

IOUT = 0mA

MAX8510

OUTPUT VOLTAGE ACCURACY

vs. LOAD CURRENT

LOAD CURRENT (mA)

100

80

60

40

20

-0.4

-0.2

0

0.2

0.4

0.6

-0.6

0

120

MAX8510

OUTPUT VOLTAGE ACCURACY

vs. TEMPERATURE

TEMPERATURE (

°C)

60

35

10

-15

-0.8

-0.6

-0.4

-0.2

0

0.2

0.4

0.6

0.8

1.0

-1.0

-40

85

IOUT = 1mA

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