FAN2011 Fairchild Semiconductor, FAN2011 Datasheet - Page 2

• Manufacturer Part Number: FAN2011
• Description: 1.5A Low Voltage Current Mode Synchronous PWM Buck Regulator
• Manufacturer: Fairchild Semiconductor

FAN2011/FAN2012 Rev. 1.0.2
Pin Assignment
Pin Description
FAN2012(3x3mm 6-Lead MLP)
FAN2011 (3x3mm 6-Lead MLP)
Pin No.
Pin No.
P1
P1
1
2
3
4
5
6
1
2
3
4
5
6
Pin Name
Pin Name
AGND
PGND
AGND
PGND
PV
PV
SW
SW
FB
V
NC
FB
V
EN
IN
IN
IN
IN
PGND
SW
FB
3x3mm 6-Lead MLP
Analog Ground. P1 must be soldered to the PCB ground.
Feedback Input. Adjustable voltage option, connect this pin to the resistor divider.
Power Ground. This pin is connected to the internal MOSFET switches. This pin must be exter-
nally connected to AGND.
Switching Node. This pin is connected to the internal MOSFET switches.
Supply Voltage Input. This pin is connected to the internal MOSFET switches.
Supply Voltage Input.
Not Connected. This pin is not internally connected.
Analog Ground. P1 must be soldered to the PCB ground.
Feedback Input. Adjustable voltage option, connect this pin to the resistor divider.
Power Ground. This pin is connected to the internal MOSFET switches. This pin must be exter-
nally connected to AGND.
Switching Node. This pin is connected to the internal MOSFET switches.
Supply Voltage Input. This pin is connected to the internal MOSFET switches.
Supply Voltage Input.
Enable Input. Logic high enables the chip and logic low disables the chip, reducing the supply
current to less than 1µA. Do not float this pin.
1
2
3
FAN2011
(AGND)
P1
Figure 2. Pin Assignment
6
5
4
NC
V
PV
Top View
IN
IN
PGND
2
SW
FB
3x3mm 6-Lead MLP
1
2
3
Pin Description
Pin Description
FAN2012
(AGND)
P1
6
5
4
EN
V
PV
IN
IN
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