TPS61372 datasheet(3/35 Pages) TI1

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GND

VOUT

GND

VOUT

COMP

GND

VOUT

BST

VIN

MODE

TPS61372

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SLVSEE7 – JUNE 2018

Product Folder Links: TPS61372

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5 Device Comparison Table

Part Number

Operation Mode at Light Load

TPS61372

Auto PFM / Forced PWM Selectable

6 Pin Configuration and Functions

(YKB)

(16-Pin WCSP)

Top View

Table 1. Pin Functions

I/O

DESCRIPTION

NAME

NUMBER

Output voltage feedback, a resistor divider connecting to this pin sets the output voltage.

COMP

Output of the internal error amplifier. The loop compensation network should be connected

between this pin and GND.

No connection; tie directly to VIN pin is suggested.

MODE

Operation mode selection pin. MODE = Low, the device works in the Auto PFM mode with

good light load efficiency. MODE = High, the device is in the forced PWM mode, keeps the

switching frequency be constant across the whole load range.

GND

B1, B2, B3

Ground.

Enable logic input. Logic high level enables the device. Logic low level disables the device and

turns it into shutdown mode.

C1, C2, C3

PWR

The switching node pin of the converter. It is connected to the drain of the internal low-side

FET and the source of the internal high-side FET

BST

Power supply for high-side FET gate driver. A capacitor must be connected between this pin

and the SW pin

VOUT

D1, D2, D3

PWR

Boost converter output.

VIN

IC power supply input.

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