4 Pin Configuration and Functions

Pin Functions

1.2 V

1

2

–

+

3*

Figure 4-1. DBZ Package

3-Pin SOT-23

Top View

1

2

3

N/C*

t

+

5

N/C

4

N/C

Figure 4-2. DCK Package

5-Pin SC70

Top View

1

2

3

*

+

_

Figure 4-3. LP Package

3-Pin TO-92

Bottom View

Pin Functions

PIN

I/O

DESCRIPTION

NAME

SOT-23

SC70

TO-92

Anode

2

1

3

O

Anode pin, normally grounded

Cathode

1

3

2

I/O

Shunt current and output voltage

FB

—

—

—

I

Feedback pin for adjustable output voltage

NC*

3

2

1

—

**Must float or connect to anode (1)

NC

—

4, 5

—

—

No connect

(1)

In applications with high electromagnetic interference (for example, when placed near transformers or other electromagnetic

sources) or significant high-frequency switching noise, TI recommends to connect this pin to the anode.

www.ti.com

LM4041

SLCS146H – FEBRUARY 2005 – REVISED MARCH 2025

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