MAX26239/MAX26240

4.5V to 36V, 6A Buck-Boost Converters

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(VSUP = VEN = 14V, TJ = -40°C to +150°C, unless otherwise noted. Typical values are at TA = +25°C. Note 1 and Note 2.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Output Overvoltage

Threshold

VOUT_OVP

Detected with respect to VFB rising

106

108

110

%

Output Overvoltage

Hysteresis

VOUT_OVP_HY

S

3

%

PGOOD Threshold

VPGOOD_TH

% of VOUT, VOUT rising

92

94

96

%

% of VOUT, VOUT falling

91

93

95

PGOOD Output Low

Voltage

VPGOOD_LOW ISINK = 1mA

0.2

V

PGOOD Leakage

Current

IPGOOD_LKG

VPGOOD = 5.5V, TA = +25°C

1

μA

PGOOD Debounce

Time

tPGOOD_DB

Fault detection, rising and falling

40

μs

LOGIC INPUTS (EN, SYNC, SPS)

Input High Level

VHIGH

Voltage rising

1.3

V

Input Low Level

VLOW

Voltage falling

0.5

V

Input Leakage Current

(EN, SPS)

IIN_LEAK

TA = +25°C

1

μA

Input Leakage Current

(SYNC)

IIN_LEAK

TA = +25°C, SYNC = 1.8V, EN = high

20

50

μA

THERMAL SHUTDOWN

Thermal Shutdown

Threshold

TSHDN

Note 3

175

°C

Thermal Shutdown

Hysteresis

TSHDN_HYS

Note 3

20

°C

Note 1: All units are 100% production tested at +25°C. All temperature limits are guaranteed by design and characterization.

Note 2: The device is designed for continuous operation up to TJ = +125°C for 95,000 hours and TJ = +150°C for 5,000 hours.

Note 3: Guaranteed by design, not production tested.

Note 4: Boost mode current limit.

Typical Operating Characteristics

(TA = +25°C, unless otherwise noted.)