Preliminary

XC9213B

1 2 3 4 5

Reference Voltage

Fixed

Oscillation Frequency :

300kHz

Package Types :

TSSOP-16

Device Orientation : Embossed Tape, Standard Feed

Device Orientation : Embossed Tape, Reverse Feed

1, 2

SYMBOL

DESCRIPTION

V

R

L

4

5

3

PIN NUMBER

PIN NAME

XC9213 Series

Driver Transistor Built-In

Synchronous Step-Down DC/DC Controller Ics

FUNCTION

Input Voltage : 25V

1

VIN

2

VSENSE

MODE

3VL

4CE

10

FB

7

Local Power Supply

Chip Enable

Analog Ground

PWM / PFM Switch

5

AGND

6

8

CSS

9

VDIN

11

VDOUT

12

PGND

16

BST

High Side Nch Driver Transistor <Connect to Gate of High Side Nch MOSFET >

Bootstrap

Input Voltage

Current Detection

15

EXT1

13

EXT2

14

LX

Low Side Nch Driver Transistor <Connect to Gate of Low Side Nch MOSFET >

Coil Connection

10

3

PART NO.

Protection Time Setting Capacitor Connection

<Set shutdown time of VOUT when detecting overcurrent>

CPRO

Soft-start Capacitor Connection <Set soft-start time>

Voltage Detector Output (Open-Drain)

Power Ground

Output Voltage Setting Resistor Connection < Set output voltage freely by split resistors >

Voltage Detector Input (0.9V)

TSSOP-16

(TOP VIEW)

1

2

8

7

6

5

4

3

16

15

9

10

11

12

13

14

2