FAN5361 Fairchild Semiconductor, FAN5361 Datasheet - Page 2

• Manufacturer Part Number: FAN5361
• Description: The FAN5361 is a 600mA or 750mA, step-down, switching voltage regulator that delivers a fixed output from an input voltage supply of 2
• Manufacturer: Fairchild Semiconductor

Ordering Information
FAN5361UC123X
FAN5361UC182X
FAN5361UC19X
FAN5361UMP123X
FAN5361UMP15X
FAN5361UMP182X
Note:
1.
Pin Configurations
Pin Definitions
WLCSP UMLP
© 2008 Fairchild Semiconductor Corporation
FAN5361 • Rev. 1.1.2
C1
C2
A1
B1
B2
A2
Other voltage options available on request. Contact a Fairchild representative.
Part Number
Pin #
Figure 2. WLCSP, Bumps Facing Down
MODE
3
2
1
6
5
4
SW
FB
Name
MODE
GND
VIN
SW
EN
FB
C1
A1
B1
MODE. Logic 1 on this pin forces the IC to stay in PWM mode. A logic 0 allows the IC to
automatically switch to PFM during light loads. The regulator also synchronizes its switching
frequency to four times the frequency provided on this pin. Do not leave this pin floating.
Switching Node. Connect to output inductor.
Feedback / V
Ground. Power and IC ground. All signals are referenced to this pin.
Enable. The device is in shutdown mode when voltage to this pin is <0.4V and enabled when
>1.2V. Do not leave this pin floating.
Input Voltage. Connect to input power source.
Voltage
Output
1.233V
1.820V
1.900V
1.233V
1.500V
1.820V
C2
A2
B2
(1)
OUT
Figure 4. UMLP, Leads Facing Down
VIN
EN
GND
. Connect to output voltage.
WLCSP-6, 0.4mm Pitch
6-Lead, 2 x 2mm UMLP
Package
2
Description
Figure 3. WLCSP, Bumps Facing Up
Temperature Range
–40 to +85°C
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