PIN CONNECTIONS
PIN CONNECTIONS
VIN
GND
GND
EN
SW
SW
NC
FB
1
2
3
4
8
7
6
5
Transparent
Top View
2x2 UDFN-8 (Non EP)
Figure 3. MC34727 Pin Connections
Table 2. MC34727 Pin Definitions
A functional description of each pin can be found in the Functional Pin Description section beginning on page 10.
Pin Number Pin Name Pin Function
Formal Name
Definition
1
2
3
4
5
6
7
8
VIN
GND
GND
EN
Power input
Input
Ground
Ground
Input
Supply Voltage Input
Ground
Ground
Low noise ground
Active high enable input
Ground
Enable
FB
Feedback of the output voltage
Input
Feedback Input
No Connection
Switching Node
Switching Node
NC
Internally not connected. Connect to GND externally
This terminal connects to the output inductor
This terminal connects to the output inductor
N/A
SW
SW
Output
Output
MC34727
Analog Integrated Circuit Device Data
Freescale Semiconductor
4
FREESCALE [ Freescale ]
