MAX8564AEUB datasheet(3/15 Pages) MAXIM

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±1%, Ultra-Low Output Voltage, Dual and Triple

Linear n-FET Controllers

_______________________________________________________________________________________

ELECTRICAL CHARACTERISTICS (continued)

(VDD = VEN1 = VEN2 = VEN3 = 5V, VGND = 0V, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)

PARAMETER

CONDITIONS

MIN

TYP

MAX

UNITS

POK_ Threshold Falling

Measured at FB_ (falling)

425

440

455

POK_ Threshold Rising at Startup

Measured at FB_ (rising)

455

470

485

POK_ Output Low Level

Sinking 1mA, VDD = 4.5V, VFB_ = 0.4V

0.1

TA = +25°C

0.1

POK_ Output High Leakage

VDD = 5.5V

TA = +85°C

0.001

µA

Note 1: Specifications are production tested at TA = +25°C. Maximum and minimum specifications over temperature are guaranteed by

design.

Typical Operating Characteristics

(Circuit of Figure 1, TA = +25°C.)

OUTPUT VOLTAGE vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

1.9

1.8

1.7

1.6

1.5

1.4

1.3

1.2

1.1

1.2

1.3

1.4

1.5

1.6

1.0

2.0

VDD = 5V

VOUT1

VOUT2

OUTPUT VOLTAGE vs. INPUT VOLTAGE

INPUT VOLTAGE (V)

3.4

1.4

2.2

2.6

1.8

3.0

1.2

1.4

1.6

1.8

2.0

2.2

2.4

2.6

1.0

VDD = 12V

VOUT3

VOUT1

VOUT2

OUTPUT VOLTAGE vs. OUTPUT CURRENT

OUTPUT CURRENT (A)

2.5

2.0

1.5

1.0

0.5

1.1

1.2

1.3

1.4

1.5

1.6

1.7

1.8

1.9

2.0

2.1

2.2

2.3

2.4

2.5

2.6

1.0

03.0

VDD = 12V

VOUT3

VOUT1

VOUT2

FEEDBACK VOLTAGE

vs. TEMPERATURE

TEMPERATURE (

°C)

-15

0.4988

0.4990

0.4992

0.4994

0.4996

0.4998

0.5000

0.4986

-40

VDD = 5V

VDD = 12V

PSRR vs. FREQUENCY

FREQUENCY (Hz)

10k

100

100k

VOUT1 = 1.5V

VIN1 = 2V

LOAD = 1.25

VDD = 12V

LOAD TRANSIENT

MAX8563 toc06

IOUT2

VDRV2

VIN2

VOUT2

20mV/div

AC-COUPLED

2V/div

200mV/div

AC-COUPLED

2A/div

μs/div

VDD = 12V

FIGURE 1, C7 = 100

μF 6TPE100MI

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