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参数资料
| 型号： | FAN5902UCX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 3/8页 |
| 文件大小： | 0K |
| 描述： | IC CONV DC-DC 800MA RFPA 12WLCSP |
| 标准包装： | 3,000 |
| 应用： | 转换器，3G RF 功率放大器 |
| 输入电压： | 2.7 V ~ 5.5 V |
| 输出数： | 1 |
| 输出电压： | 0.4 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-UFBGA，WLCSP |
| 供应商设备封装： | 12-WLCSP |
| 包装： | 带卷 (TR) |
Pin Configurations
Figure 3. 12-Lead MLP
(Top View)
Pin Definitions
Figure 4.
12-Bump WLCSP
(Top View)
MLP
Pin #
(*)
WLCSP
Pin #
(*)
Name
AGND
VOUTSNS
EN
VCON
AVIN
AGND
BPEN
SYNC
PGND
SW
PVIN
Description
Analog ground, reference ground for the IC. Follow PCB routing notes for
connecting this pin.
Output voltage sense pin. Connect to V OUT to establish feedback path for
regulation.
Enables switcher when HIGH, shutdown mode when LOW. This pin should not
be left floating.
Analog control input from an external D-to-A converter.
Analog bias supply voltage input. Connect to PVIN.
Connect to analog ground.
Force bypass transistor when HIGH; auto-bypass when LOW. This pin should
not be left floating
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.
Power ground of the internal MOSFET switches. Follow routing notes for
connections between PGND and AGND.
Switching node of the internal MOSFET switches. Connect to output inductor.
Supply voltage input to the internal MOSFET switches. Connect to input power
source.
(*) Pinout available upon request
? 2009 Fairchild Semiconductor Corporation
FAN5902 ? Rev. 1.0.2.short
3
www.fairchildsemi.com
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