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| 型号： | IP1206PBF |
| 厂商： | International Rectifier |
| 文件页数： | 17/30页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC ADJ 30A/15A LGA |
| 产品变化通告： | (EP) Parts Discontinuation 25/May/2012 |
| 标准包装： | 5 |
| 系列： | iPOWIR™ |
| 类型： | 降压（降压） |
| 输出类型： | 可调式 |
| 输出数： | 1 或 2 |
| 输出电压： | 0.8 V ~ 5.5 V |
| 输入电压： | 7.5 V ~ 14.5 V |
| PWM 型： | 电压模式 |
| 频率 - 开关： | 200kHz ~ 600kHz |
| 电流 - 输出： | 30A，15A |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 36-BFLGA |
| 包装： | 管件 |
| 供应商设备封装： | 36-LGA（9.25x15.5） |
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i P1206PbF
Shutdown using Soft Start pins
The outputs can be shutdown by pulling the
soft-start pin below 0.25V. This can be easily
done by using an external small signal
transistor. During shutdown both MOSFET
drivers will be turned off. Normal operation will
resume by cycling soft start pin.
Operating Frequency Selection
The switching frequency is determined by
connecting an external resistor (Rt) to ground.
Fig. 18 provides a graph of oscillator frequency
versus Rt. The maximum recommended
channel frequency is 600kHz.
700
600
500
400
300
200
100
0
Frequency Synchronization
The iP1206 is capable of accepting an external
digital synchronization signal. Synchronization
will be enabled by the rising edge at an external
clock. Per–channel switching frequency is set by
external resistor (Rt). The free running
frequency oscillator frequency is twice the per-
channel frequency. During synchronization, Rt is
selected such that the free running frequency is
20% below the synchronization frequency.
Synchronization capability is provided for both
single output current share mode and dual
output configuration. When unused, the sync
pin will remain floating and is noise immune.
Thermal Shutdown
Temperature sensing is provided inside iP1206.
The trip threshold is typically set to 135 o C.
When trip threshold is exceeded, thermal
shutdown turns off both MOSFETs. Thermal
shutdown is not latched and automatic restart is
initiated when the sensed temperature drops to
normal range. There is a 20 o C hysteresis in the
0
10
20
30
40
50
60
70
shutdown threshold.
Rt (kOhm)
Fig. 18: Switching Frequency vs. External Resistor (R t )
www.irf.com
2/26/2008
17
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相关代理商/技术参数 |
参数描述 |
|---|---|
| IP1206TRPBF | 功能描述:开关变换器、稳压器与控制器 Multiphase LGA PWR 7.5V to 14.5V 600kHz RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| IP120A | 制造商:SEME-LAB 制造商全称:Seme LAB 功能描述:1.5 AMP NEGATIVE VOLTAGE REGULATOR |
| IP120A-05 | 制造商:SEME-LAB 制造商全称:Seme LAB 功能描述:1.5 AMP NEGATIVE VOLTAGE REGULATOR |
| IP120A-12 | 制造商:SEME-LAB 制造商全称:Seme LAB 功能描述:1.5 AMP NEGATIVE VOLTAGE REGULATOR |
| IP120A-15 | 制造商:SEME-LAB 制造商全称:Seme LAB 功能描述:1.5 AMP NEGATIVE VOLTAGE REGULATOR |
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