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参数资料
| 型号： | FL103M |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 3/14页 |
| 文件大小： | 0K |
| 描述： | IC PWM CTLR FLYBACK 8-SOIC |
| 标准包装： | 2,500 |
| 系列： | TRUECURRENT™ |
| 恒定电流： | 是 |
| 恒定电压： | 是 |
| 拓扑： | 交直流离线开关，反激式，PWM |
| 输出数： | 1 |
| 内部驱动器： | 无 |
| 类型 - 主要： | 通用 |
| 频率： | 33kHz，50kHz |
| 电源电压： | 8 V ~ 25 V |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 供应商设备封装： | 8-SO |
| 包装： | 带卷 (TR) |
| 工作温度： | -40°C ~ 125°C |
Marking Information
F : Fairchild Logo
Z: Plant Code
ZXYTT
FL103
TPM
Pin Configuration
Figure 4.
X: 1-Digit Year Code
Y: 1-Digit Week Code
TT: 2-Digit Die Run Code
T: Package Type (M=SOP)
P: Y=Green Package
M: Manufacture Flow Code
Top Mark
Pin Definitions
Figure 5.
Pin Configuration
Pin #
1
2
3
4
5
6
7
8
Name
CS
GATE
V DD
NC
VS
GND
NC
HV
Description
Current Sense . This pin connects a current-sense resistor to detect the MOSFET current
for peak-current-mode control in CV Mode and provides the output-current regulation in
CC Mode.
PWM Signal Output . This pin uses the internal totem-pole output driver to drive the power
MOSFET. It is internally clamped below 15 V.
Power Supply . IC operating current and MOSFET driving current are supplied using this
pin. This pin is connected to an external V DD capacitor of typically 10 μF. The threshold
voltages for startup and turn-off are 16 V and 7.5 V, respectively. The operating current is
lower than 5 mA.
No Connect . This pin is connected to GND or no connection. Does not connect any
voltage source.
Voltage Sense . This pin detects the output voltage information and discharge time based
on voltage of auxiliary winding.
Ground
No Connect
High Voltage . This pin connects to DC link capacitor for high-voltage startup. This pin is
connected to an external startup resistor of typically 100 k ? .
? 2012 Fairchild Semiconductor Corporation
FL103 ? Rev. 1.0.2
3
www.fairchildsemi.com
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