MAX14838 datasheet(4/16 Pages) MAXIM

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Note 1: All units are production tested at TA = +25°C. Specifications over temperature are guaranteed by design.

Note 2: Currents into the device as positive; all currents out of the device are negative. All voltages are referenced to ground, unless

otherwise noted.

Note 3: See the DO Short-Circuit and Overcurrent Protection section for detailed information.

Note 4: ESD protection for VCC is achieved only with an external capacitor connected from VCC to GND. Connect 100nF capacitor

between VCC and GND for air-gap and contact discharge ESD.

(VCC = 4.75V to 34V (MAX14839), VCC = 7V to 34V (MAX14838), unless otherwise noted. VGND = 0V. All logic inputs are VLDO or

GND. TA = TMIN to TMAX. Typical values are at VCC = 24V, TA = +25°C) (Notes 1, 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

LINEAR REGULATOR (LDO)

Output Voltage

VLDO

MAX14839, 4.75V ≤VCC ≤ 34V,

ILDO = 30mA

3.0

3.3

3.6

MAX14838, 7V ≤VCC ≤ 34V,

ILDO = 30mA

4.5

5.0

5.5

Short Circuit Current Limit

ILDO_SC

LDO short to GND

Line Regulation

ILDO = 30mA

0.06

Load Regulation

0.1mA ≤ ILOAD ≤ 30mA, 100nF bypass

capacitor on LDO

2.8

PROTECTION

Thermal-Shutdown Threshold

TSHDN

Temperature rising, FAULT asserted

+150

°C

Thermal-Shutdown Hysteresis

TSHDN_HYST

°C

ESD Protection

(VCC, DO, and GND) (Note 4)

Air-Gap Discharge, IEC 61000-4-2

±8

Contact Discharge IEC 61000-4-2

±6

ESD Protection (All Other Pins)

Human Body Model, JESD22-A114E

±2

Surge Tolerance

IEC 61000-4-5, 0.5μF/500Ω

±1

Reverse Polarity Current

IRP

Any combination of VCC, DO, and GND

-1

POWER-ON RESET TIMING

POR Delay

tPUD

Delay after VCC rises above VTH until

DO is active

100

DRIVER TIMING

Low-to-High Propagation Delay

tPLH

VCC = 34V, CL = 1nF, RL = 10kΩ,

push-pull or PNP mode, 50% to 50%,

Figure 1

μs

High-to-Low Propagation Delay

tPHL

VCC = 34V, CL = 1nF, RL = 10kΩ,

push-pull or NPN mode, 50% to 50%,

Figure 1

μs

DO Output Rise Time

tRISE

VCC = 34V, CL = 1nF, RL = 10kΩ, push-

pull or PNP mode, 10% to 90%

μs

DO Output Fall Time

tFALL

VCC = 34V, CL = 1nF, RL = 10kΩ, push-

pull on NPN mode, 90% to 10%

μs

OVERCURRENT SHUTDOWN TIMING

Overcurrent Detection Time

tISDET

(Note 3)

112

150

μs

Overcurrent Turn-Off Time

tISOFF

(Note 3)

3.75

5.0

MAX14838/MAX14839

24V Pin-Configurable Industrial Sensor

Output Drivers

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