RY8411

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Standoff 42V 1.2A 800KHz Sync Step-Down Regulator

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Pin Description

Pin Configuration

5

SW

EN

IN

BS

FB

GND

4

6

2

3

1

TOP VIEW

SOT23-6

Top Marking: HOYLL (device code: HO, Y=year code, LL= lot number code)

Pin Description

Pin

Name

Function

1

BS

Bootstrap. A capacitor connected between SW and BST pins is required to form a

floating supply across the high-side switch driver.

2

GND

Ground Pin

3

FB

Adjustable Version Feedback input. Connect FB to the center point of the external

resistor divider

4

EN

Drive this pin to a logic-high to enable the IC. Drive to a logic-low to disable the

IC and enter micro-power shutdown mode.

5

IN

Power Supply Pin

6

SW

Switching Pin

Order Information (1)

Marking

Part No.

Model

Description

Package

T/R Qty

HOYLL

70301650

RY8411

RY8411 PSM SYN Buck, 4-38V, 1.2A,

800KHz, VFB 0.8V, SOT23-6

SOT23-6

3000PCS

Note (1): All RYCHIP parts are Pb-Free and adhere to the RoHS directive.