MAX17682 datasheet(4/19 Pages) MAXIM

4 / 19 page

(VIN = VEN = 24V, RRT = 82.5kΩ (250kHz), VSGND = VPGND = VSYNC = 0V, CVCC = 2.2μF, VFB = 1V, VBST to LX = 5V, LX = RESETB

= SS = COMP = unconnected. TA = -40°C to +125°C, unless otherwise noted. Typical values are at TA = +25°C. All voltages are

referenced to SGND, unless otherwise noted.) (Note 2)

Note 2: All limits are 100% tested at +25°C. Limits over the operating temperature range and relevant supply voltage range are

guaranteed by design and characterization.

Note 3: See the Overcurrent Protection/Hiccup Mode section for more details.

Note 4: Guaranteed by design, not production tested.

MAX17682

4.5V to 42V Input, Ultra-Small, High-Efficiency,

Iso-Buck DC-DC Converter

www.maximintegrated.com

Maxim Integrated │ 4

Electrical Characteristics (continued)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

RESETB

RESETB Output Level Low

IRESETB = 10mA

0.4

RESETB Output Leakage

Current High

TA = TJ = 25°C

0.1

μA

FB Threshold for RESETB

Assertion

VFB-OKF

VFB falling

90.5

94.6

%VFB-

REG

FB Threshold for RESETB

Deassertion

VFB-OKR

VFB rising

93.8

97.8

%VFB-

REG

RESETB Delay After FB Reaches

95% Regulation

VFB rising

1024

Cycles

THERMAL SHUTDOWN

Thermal Shutdown Threshold

Temperature rising

165

°C

Thermal Shutdown Hysteresis

°C

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