eup3408 Eutech Microelectronics Inc, eup3408 Datasheet - Page 2

• Manufacturer Part Number: eup3408
• Description: 1.5mhz, 800ma Synchronous Step-down Converter With Soft Start
• Manufacturer: Eutech Microelectronics Inc

Typical Application Circuit (continued)
Pin Configurations
Pin Description
DS3408 Ver1.2 Nov. 2007
ADJ Voltage
TSOT23-5
SOT23-5
Package
GND
V
PIN
SW
V
V
EN
Type
OUT
FB
IN
Pin
1
2
3
4
5
5
Pin Configurations
Chip Enable Pin. Forcing this pin above 1.5V enables the part. Forcing this pin below
0.3V shuts down the device. Do not leave EN floating.
Common Ground.
Switch Node Connection to Inductor. This pin connects to the drains of the internal main
and synchronous power MOSFET switches.
Supply Voltage Pin.
Feedback Pin (EUP3408).
Output Voltage Feedback Pin (EUP3408-1.2/1.8/3.3)
Figure 2. Fixed 1.2V/1.8V/3.3V Output
2
Fixed Voltage
TSOT23-5
SOT23-5
Package
Type
DESCRIPTION
Pin Configurations
EUP3408