MAX17117 データシートの表示（PDF） - Maxim Integrated

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MAX17117

Internal-Switch Boost Regulator with Integrated 7-Channel Scan Driver, Op Amp, and LDO

Maxim Integrated 

Internal-Switch Boost Regulator with Integrated

7-Channel Scan Driver, Op Amp, and LDO

Pin Description (continued)

PIN

NAME

FUNCTION

25

PGND

Power Ground. Source connection of the internal step-up regulator power switch.

26

LX

Switching Node. Connect inductor/catch diode here and minimize trace area for lowest EMI.

27

ENA

Chip-Enable Control and OCP Set Input. When ENA = low, the step-up converter and op amp are

disabled, the LDO remains active, and the level-shifter outputs are high impedance.

28

IN

Step-Up Regulator and Low-Dropout Regulator Supply. Bypass IN to AGND with a 1FF or greater

ceramic capacitor.

29

LDOO

Internal Linear Regulator Output. Bypass LDOO to AGND with a 1FF capacitor.

30

LDOADJ Linear Regulator Feedback Input. Reference voltage is 1.24V nominal.

31

DTS

Gate-Shading Discharge Time Adjust

32

SS

Step-Up Regulator Soft-Start Control

—

EP

Exposed Backside Pad. Connect to the analog ground plane for proper electrical and thermal

performance.

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