PWM, PWM/PFM Switchable Step-Down DC/DC Converters with Driver Transistor Built-In

SOT-25 (TOP VIEW)

XC9206

1 2 3 4 5 6

: PWM Control

XC9207

1 2 3 4 5 6

: PWM / PFM Automatic Switching Control

XC9208

1 2 3 4 5 6

: PWM control, PWM / PFM Automatic Switching Control Manually Selectable

Transistor built-in, output voltage internally set (VOUT product), soft start internally set.

A : Current Limiter 600mA

Denotes output voltage :

ex. ) 1.5V Output

!

1.85V Output

!

2.85V Output

!

Denotes oscillation frequency :

3 : 300kHz

6 : 600kHz

C : 1.2MHz

Denotes package types :

M : SOT-25

Denotes device orientation :

R : Embossed Tape : Standard Feed

L : Embossed Tape : Reverse Feed

* Output voltage 0.9V ~ 4.0V (100mV steps), 1.85V and 2.85V are standard products.

Output voltages other than these are available as semi-custom products.

$ SOT-25

Output Voltage Sense

Chip Enable/Mode Switch

5

6

4

1

SYMBOL

Power Input

5

1

2

3

4

Switching Output

Ground

DESCRIPTION

VOUT

CE/MODE

VIN

LX

VSS

XC9206 / 9207/ 9208 Series

PIN NAME

PIN NUMBER

FUNCTIONS

2, 3

Semiconductor Ltd.

12

3

4

5

VOUT

Lx

CE/MODE

VSS

VIN

Data Sheet

2