MCP18480 datasheet(22/64 Pages) MICROCHIP

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MCP18480

DS20091B-page 22

 2003 Microchip Technology Inc.

FIGURE 2-14:

TIMER Pin Output Low

Current vs. RDISCH Current.

FIGURE 2-15:

TIMER Pin Output High

Current vs. ISET Current.

Data taken with the minimum following conditions:

-50 µA < IISET < 50 µA (IISET ≠ 0)

IPOS = 5 mA

(Enables VPOS at its self-regulating voltage)

VREFIN = 2.5V

Note 1:

VUVTH > VVREFIN

VOVTH < VVREFIN

VSENSE = VVNEG

VVFB = VVNEG

VDRAINTH = VVNEG

VOVO = VVNEG

VCL = VVREFIN

VENABLE = 5V (open)

VRESTART = VVNEG (open)

1.0

1.2

1.4

1.6

1.8

2.0

2.2

RDISCH Current (uA)

TA = -40°C

TA = +85°C

TA = +25°C

Data taken with the minimum following conditions:

-50 µA < IISET < 50 µA (IISET ≠ 0)

IPOS = 5 mA

(Enables VPOS at its self-regulating voltage)

VREFIN = 2.5V

Note 1:

VUVTH > VVREFIN

VOVTH < VVREFIN

VSENSE ≥ 100mV

VVFB = VVNEG

VDRAINTH = VVNEG

VOVO = VVNEG

VCL = VVREFIN

VENABLE = 5V (open)

VRESTART = VVNEG (open)

-225

-200

-175

-150

-125

-100

-75

-50

-25

ISET Current (uA)

TA = -40°C

TA = +85°C

TA = +25°C

TA = -40°C

TA = +85°C

TA = +25°C

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