RT9201GQV RICHTEK [Richtek Technology Corporation], RT9201GQV Datasheet - Page 3

• Manufacturer Part Number: RT9201GQV
• Description: High Efficiency PWM Step-Down DC-DC Converter
• Manufacturer: RICHTEK [Richtek Technology Corporation]

Suggested Capacitors For C
Function Block Diagram
Functional Pin Description
DS9201-12 August 2007
Exposed Pad (11) GND
Component Supplier
TAIYO YUDEN
Pin No.
Panasonic
4, 10
1
2
3
5
6
7
8
9
SS
FB
TDK
0.8V
300k
FB
Pin Name
EN
SS
NC
GND
PGND
LX
PVDD
VDD
V
REF
Amplifier
C2012X5R0J106M
C3225X5R0J226M
ECJ2FB0J106M
ECJHVB0J226M
JMK212BJ106M
JMK212BJ226MG
JMK316BJ226ML
Error
GND
VDD
IN
and C
Tie this pin to 1.4V or higher to enable the device. Tie below 0.4V to shut-down.
Soft Start, connect a capacitor from this pin to GND.
Feedback Input pin. Connect a resistive voltage divider from the output voltage to FB
to GND.
No Connection.
Analog Ground.
Power Ground.
Switch node. Drains of the internal P-Channel and N-Channel MOSFET switches.
Connect an inductor to LX pins together as close as possible.
Main Power Supply Pin.
Device Input Power Pin.
The exposed pad must be soldered to a large PCB and connected to GND for
maximum power dissipation.
OSC & Shutdown
Part No.
Compensation
OUT
Control
Slope
EN
Comparator
PWM
Capacitance (uF)
10
22
10
22
10
22
22
Current
Detector
Sense
Control
Logic
Zero
Pin Function
Driver
Case Size
0805
1210
0805
1206
0805
0805
1206
PGND
PVDD
RT9201
www.richtek.com
LX
3