Connection Diagram

12-Bump Thin Micro SMD

1.514mm x 1.996mm x 0.6mm

NS Package Number TLA12

30045302

Pin Descriptions

Pin

Name

Description

C1

V

IN

Supply voltage connection.

B2

CP

OUT

Charge pump regulated output. A 2.2 µF ceramic capacitor is required from CP

GND. Connect flash LED anode to this pin.

B1

C1+

Flying capacitor pins. A 1 µF ceramic capacitor should be connected from C1+ to C1−

and from C2+ to C2−.

D2

C1−

C2

C2+

D1

C2−

A2

SGND

Analog and control ground for charge pump. This pin should be connected directly to a

low impedance ground plane.

C3

LED−

Regulated current source output. Connect flash LED cathode to this pin.

A1

EN1

The EN1 and EN2 pins are used to select the modes (Torch, Indictor, Flash), as well as

to put the part into Shutdown mode.

B3

EN2

A3

I

SET

LED current programming resistor pin. A resistor connected between this pin and GND

are used to set Torch, Flash and Indicator currents.

D3

PGND

Power ground for the charge pump and the current source. This pin should be connected

directly to a low impedance ground plane.

Ordering Information

Order Number

Supplied as Tape and Reel (Units)

LM2758TL

250 units, tape and reel

LM2758TLX

3000 units, tape and reel

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