MAX8860EUA18 查看數據表（PDF） - Maxim Integrated

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MAX8860EUA18

Low-Dropout, 300mA Linear Regulator in µMAX

Maxim Integrated 

Low-Dropout, 300mA

Linear Regulator in µMAX

ELECTRICAL CHARACTERISTICS (continued)

(VIN = 3.6V, CCC = 33nF, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

Output Voltage Noise

Output Voltage Noise Density

SHDN Input Threshold

SHDN Input Bias Current

SET Input Leakage Current (Note 3)

FAULT Detection Voltage (Note 5)

FAULT Output Low Voltage

FAULT Output Off-Leakage Current

Thermal Shutdown Temperature

Thermal Shutdown Hysteresis

Start-Up Time

CONDITIONS

IOUT = 10mA,

10Hz < f < 100kHz

COUT = 2.2µF

COUT = 10µF

COUT = 100µF

10Hz < f < 100kHz, COUT = 10µF

VIH, 2.5V ≤ VIN ≤ 5.5V

VIL, 2.5V ≤ VIN ≤ 5.5V

SHDN = GND or IN

TA = +25°C

TA = +85°C

VSET = 1.3V

TA = +25°C

TA = +85°C

SET = GND, IOUT = 200mA

VIN = 2.5V, ISINK = 2mA

VFAULT = 3.6V

TA = +25°C

TA = +85°C

COUT = 10µF, VOUT to 90% of final value

MIN TYP MAX UNITS

65

60

µVRMS

55

190

nV√Hz

2.0

V

0.4

V

0.01 100

nA

0.5

0.01

2.5

nA

0.5

130

280

mV

0.25

V

0.01 100

nA

0.5

170

°C

20

°C

120

µs

Note 1: Specifications to -40°C are guaranteed by design and not production tested.

Note 2: Guaranteed by line-regulation test.

Note 3: Adjustable mode only.

Note 4: The dropout voltage is defined as VIN - VOUT when VOUT is 100mV below the value of VOUT for VIN = VOUT 2V. Since the

minimum input voltage is 2.5V, this is applicable only for voltages of 2.5V or higher.

Note 5: The FAULT detection voltage is the difference from input to output voltage. Maintain the input above this level to ensure

good line and load regulation.

Typical Operating Characteristics

(VIN = VOUT + 0.5V, CIN = COUT = 2.2µF, CCC = 33nF, TA = +25°C, unless otherwise noted.)

NORMALIZED OUTPUT VOLTAGE

vs. LOAD CURRENT

0.4

VOUT NORMALIZED AT IOUT = 0

0.2

0

-0.2

-0.4

0

50 100 150 200 250 300

LOAD CURRENT (mA)

NORMALIZED OUTPUT VOLTAGE

vs. TEMPERATURE

0.3

VOUT NORMALIZED AT +25°C, IOUT = 0

0.2

0.1

IOUT = 0

0

IOUT = 100mA

-0.1

-0.2

IOUT = 200mA

-0.3

-40 -20 0 20 40 60 80

TEMPERATURE (°C)

SUPPLY CURRENT vs. LOAD CURRENT

200

180

TA = +85°C

160

TA = +25°C

140

TA = -40°C

120

100

80

60

40

20

0

0 50 100 150 200 250 300

LOAD CURRENT (mA)

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