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參數資料
| 型號： | FAN5902MPX |
| 廠商： | FAIRCHILD SEMICONDUCTOR CORP |
| 元件分類： | 穩(wěn)壓器 |
| 中文描述： | SWITCHING CONTROLLER, PDSO12 |
| 封裝： | 3 X 3.50 MM, ROHS COMPLIANT, MO-229WFED-2, MLP-12 |
| 文件頁數： | 3/8頁 |
| 文件大?。?/td> | 391K |
| 代理商： | FAN5902MPX |
2009 Fairchild Semiconductor Corporation
www.fairchildsemi.com
FAN5902 Rev. 1.0.2.short
3
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5902
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Pin Configurations
Figure 3.
12-Lead MLP
(Top View)
Figure 4.
12-Bump WLCSP
(Top View)
Pin Definitions
MLP
Pin #
WLCSP
Pin #
Name
Description
(*)
AGND
Analog ground, reference ground for the IC. Follow PCB routing notes for
connecting this pin.
VOUTSNS
Output voltage sense pin. Connect to VOUT to establish feedback path for
regulation.
EN
Enables switcher when HIGH, shutdown mode when LOW. This pin should not
be left floating.
VCON
Analog control input from an external D-to-A converter.
AVIN
Analog bias supply voltage input. Connect to PVIN.
AGND
Connect to analog ground.
BPEN
Force bypass transistor when HIGH; auto-bypass when LOW. This pin should
not be left floating
SYNC
External clock synchronization input and PFM lockout. When SYNC remains
HIGH, the DC-to-DC does not allow PFM mode. Tie SYNC to AGND if not used.
PGND
Power ground of the internal MOSFET switches. Follow routing notes for
connections between PGND and AGND.
SW
Switching node of the internal MOSFET switches. Connect to output inductor.
PVIN
Supply voltage input to the internal MOSFET switches. Connect to input power
source.
(*) Pinout available upon request
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