CS8151 datasheet(4/14 Pages) ONSEMI

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CS8151

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ELECTRICAL CHARACTERISTICS (−40°C ≤ TA ≤ 125°C, −40°C ≤ TJ ≤ 150°C, 6.0 V ≤ VIN ≤ 26 V, 100 mA ≤ IOUT ≤ 100 mA,

C2 = 47 mF (ESR < 8.0 W), CDelay = 0.1 mF; unless otherwise specified.)

Characteristic

Unit

Max

Typ

Min

Test Conditions

RESET

Current Limit

RESET = 0 V, VOUT > VRTH (Sourcing)

RESET = 5.0 V, VOUT > 1.0 V (Sinking)

0.025

0.1

0.5

1.30

Delay Time

POR Mode

3.0

5.0

7.0

Watchdog Input

Threshold High

−

1.4

2.0

Threshold Low

−

0.8

1.3

−

Hysteresis

−

100

−

Input Current

0 < WDI < 6.0 V

−10

+10

Pulse Width

50% WDI Falling Edge to

50% WDI Rising Edge and

50% WDI Rising Edge to

50% WDI Falling Edge

(see Figures 2, 3, and 4)

5.0

−

Wake Up Output

Wake Up Period

See Figure 2

Wake Up Duty Cycle Nominal

See Figure 4

RESET High to

Wake Up Rising Delay Time

50% RESET Rising Edge to

50% Wake Up Edge

(see Figures 2, 3, and 4)

Wake Up Response to

Watchdog Input

50% WDI Falling Edge to

50% Wake Up Falling Edge

−

2.0

Wake Up Response to

RESET

50% RESET Falling Edge to

50% Wake Up Falling Edge,

VOUT = 5.0 V → 4.5 V

−

2.0

Output Low

IOUT = 25 mA (Sinking)

−

0.2

0.8

Output High

IOUT = 25 mA (Sourcing)

3.8

4.2

5.1

Current Limit

Wake Up = 5.0 V

Wake Up = 0 V

0.025

0.05

1.0

−

7.0

3.5

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