MCP18480 datasheet(18/64 Pages) MICROCHIP

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MCP18480

DS20091B-page 18

 2003 Microchip Technology Inc.

FIGURE 2-7:

GATE Source Current vs.

ISET Pin Current.

FIGURE 2-8:

PWRGOOD Output Low

Voltage (VOL) vs. Temperature.

Data taken with the minimum following conditions:

-50 µA µA < IISET < 50 µA (IISET ≠ 0)

IPOS = 5 mA

(Enables VPOS at its self-regulating voltage)

VREFIN = 2.5V

Note 1:

VGATE > 0.5V

VUVTH > VVREFIN

VOVTH < VVREFIN

VSENSE = VVNEG

VVFB = VVNEG

VDRAINTH = VVNEG

VOVO = VVNEG

VCL = VVREFIN

VENABLE = 5V (open)

VRESTART = VVNEG (open)

-105

-95

-85

-75

-65

-55

-45

-35

-25

-15

-5

-30 -25 -20 -15 -10 -5

5 1015202530

ISET Current (uA)

TA = +25°C

TA = +85°C

TA = -40°C

Data taken with the minimum following conditions:

ILOAD = 1 mA

IPOS = 5 mA

(Enables VPOS at its self-regulating voltage)

VREFIN = 2.5V, ISET = 10 µA

Note 1:

VUVTH > VVREFIN

VOVTH < VVREFIN

VSENSE = VVNEG

VVFB = VVNEG

VDRAINTH = VVNEG

VOVO = VVNEG

VCL = VVREFIN

VENABLE = 5V (open)

VRESTART = VVNEG (open)

0.17

0.18

0.19

0.20

0.21

0.22

0.23

0.24

0.25

0.26

-40

-20

406080

Temperature (°C)

MCP18480 Datasheet(PDF) 18 Page - Microchip Technology

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