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参数资料
| 型号： | FAN2108EMPX |
| 厂商： | Fairchild Semiconductor |
| 文件页数： | 3/14页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 8A 25MLP |
| 标准包装： | 1 |
| 系列： | TinyBuck™ |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 0.8 V ~ 19 V |
| 输入电压： | 3 V ~ 24 V |
| PWM 型： | 电流模式 |
| 频率 - 开关： | 200kHz ~ 600kHz |
| 电流 - 输出： | 8A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 25-MLP |
| 包装： | 标准包装 |
| 供应商设备封装： | 25-MLP（5x6） |
| 其它名称： | FAN2108EMPXDKR FAN2108EMPXDKR-ND FAN2108EMPXFSDKR |
Pin Configuration
Figure 3. MLP 5x6 mm Pin Configuration (Bottom View)
Pin Definitions
Pin #
P1, 6-12
P2, 2-5
P3, 21-23
1
13
14
15
16
17
18
19
20
24
25
Name
SW
VIN
PGND
BOOT
PGOOD
EN
VCC
AGND
ILIM
R(T)
FB
COMP
NC
RAMP
Description
Switching Node .
Power Input Voltage . Connect to the main input power source.
Power Ground . Power return and Q2 source.
High-Side Drive BOOT Voltage . Connect through capacitor (C BOOT ) to SW. The IC includes
an internal synchronous bootstrap diode to recharge the capacitor on this pin to V CC when
SW is LOW.
Power-Good Flag . An open-drain output that pulls LOW when FB is outside a ±10% range
of the reference. PGOOD does not assert HIGH until the fault latch is enabled.
ENABLE . Enables operation when pulled to logic HIGH or left open. Toggling EN resets the
regulator after a latched fault condition. This input has an internal pull-up when the IC is
functioning normally. When a latched fault occurs, EN is discharged by a current sink.
Input Bias Supply for IC . The IC’s logic and analog circuitry are powered from this pin.
Analog Ground . The signal ground for the IC. All internal control voltages are referred to
this pin. Tie this pin to the ground island/plane through the lowest impedance connection.
Current Limit . A resistor (R ILIM ) from this pin to AGND can be used to program the current-
limit trip threshold lower than the default setting.
Oscillator Frequency . A resistor (R T ) from this pin to AGND sets the PWM switching
frequency.
Output Voltage Feedback . Connect through a resistor divider to the output voltage.
Compensation . Error amplifier output. Connect the external compensation network between
this pin and FB.
No Connect . This pin is not used.
Ramp Amplitude . A resistor (R RAMP ) connected from this pin to V IN sets the ramp amplitude
and provides voltage feedforward functionality.
? 2008 Fairchild Semiconductor Corporation
FAN2108 ? Rev. 1.0.2
3
www.fairchildsemi.com
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相关代理商/技术参数 |
参数描述 |
|---|---|
| FAN2108EMPX_12 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:TinyBucka?￠ 3-24 V Input, 8 A, High-Efficiency, Integrated Synchronous Buck Regulator |
| FAN2108MPX | 功能描述:DC/DC 开关控制器 TinyBuck 3-24V, 8A Int Sync Buck Reg RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| FAN2108MPX_12 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:TinyBucka?￠ 3-24 V Input, 8 A, High-Efficiency, Integrated Synchronous Buck Regulator |
| FAN2108MPX_SN00233 | 功能描述:DC/DC 开关控制器 600KHz 3.2V 8A RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| FAN2110 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:TinyBuck?, 3-24V Input, 10A, High-Efficiency, Integrated Synchronous Buck Regulator |
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