MAX17561 datasheet(4/16 Pages) MAXIM

4 / 16 page

Note 3: All units are 100% production tested at TA = +25NC. Limits over the operating temperature range are guaranteed by

design and characterization; not production tested.

Note 4: Not production tested, user settable. See overvoltage/undervoltage lockout instructions.

Note 5: The current limit can be set below 700mA with a decreased accuracy.

Note 6: All timing is measured using 20% and 80% levels.

Note 7: The ratio between the autoretry time and blanking time is fixed and equal to 30.

(

VIN = 4.5V to 36V, TA = -40NC to +125NC, unless otherwise noted. Typical values are at VIN = 24V, RSETI = 12kI, TA = +25°C.) (Note 3)

LOGIC INPUT

HVEN

Threshold Voltage

VHVEN_TH

3.5

HVEN

Threshold Hysteresis

HVEN

Input Leakage Current

IHVEN_LEAK VHVEN = 36V

HVEN

Input Reverse Leakage

Current

IHVEN_RLEAK VIN = VHVEN = -36V

-45

-27

EN, RIEN Input Logic-High

VIH

1.4

EN, RIEN Input Logic-Low

VIL

0.4

EN, RIEN Input Leakage Current

ILEAK

VEN = VRIEN = 5.0V

-1

THERMAL PROTECTION

Thermal Shutdown

TJC_MAX

150

Thermal-Shutdown Hysteresis

TJC_HYST

TIMING CHARACTERISTICS (Note 6)

Switch Turn-On Time

tON

From OFF to ON, see Table 1. RLOAD =

240I, COUT = 470FF

Switch Turn-Off Time

tOFF

RLOAD = 47I

Overvoltage Switch Turn-Off Time

tOFF_OVP

VIN > VOVLO to VOUT = 80% of VOVLO,

RLOAD = 47I, RSETI = 10kI

Overcurrent Switch Turn-Off Time

tOFF_OCP

IIN > ILIM, after tBLANK, ILIM = 1A

IN Debounce Time

tDEB

VIN changes from 0V to greater than

VUVLO to VOUT = 10% of VIN

15.0

16.7

18.4

Blanking Time

tBLANK

18.6

20.7

22.8

Autoretry Time

tRETRY

After blanking time from IOUT > ILIM to

FLAG

clear (deassertion) (Note 7)

540

600

660

ESD PROTECTION

Human Body Model, IN bypassed to GND

with a 1FF low-ESR ceramic capacitor

Electrical Characteristics (continued)

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Maxim Integrated │ 4

MAX17561/MAX17562/

MAX17563

Adjustable Overvoltage and Overcurrent

Protectors with High Accuracy

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