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参数资料
| 型号： | L6710 |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | 2 A SWITCHING CONTROLLER, PQFP44 |
| 封装： | 10 X 10 MM, 1 MM HEIGHT, TQFP-44 |
| 文件页数： | 9/34页 |
| 文件大小： | 1610K |
| 代理商： | L6710 |
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L6710
Figure 9. OVP (left) and UVP (right) latch.
SOFT START, INHIBIT AND POWER DOWN
At start-up a ramp is generated increasing the loop reference from 0V to the final value programmed by
VID in 2048 clock periods as shown in figure 10.
Once the soft start begins, the reference is increased: upper and lower MOS begin to switch and the output
voltage starts to increase with closed loop regulation. At the end of the digital soft start, the Power Good
comparator is enabled and the PGOOD signal is then driven high (See fig. 10). The Under Voltage com-
parator is enabled when the reference voltage reaches 0.6V. The Soft-Start will not take place, if both VCC
and VCCDR pins are not above their own turn-on thresholds.
During normal operation, if any under-voltage is detected on one of the two supplies the device shuts
down. Forcing the OUTEN pin to a voltage lower than 0.4V (Typ.) disables the device: all the power mos-
fets and protections are turned off until the condition is removed.
Figure 10. Soft Start
LGATEx
OSC/FAULT
OUTEN
REF_OUT
LGATEx
OSC/FAULT
OUTEN
REF_OUT
VCC=VCCDR
VLGATEx
PGOOD
VOUT
t
Turn ON threshold
2048 Clock Cycles
Timing Diagram
Acquisition:
CH1=PGOOD; CH2=REF_OUT;
CH3=VOUT; CH4=LGATEx)
相关PDF资料 |
PDF描述 |
|---|---|
| L6710TR | 2 A SWITCHING CONTROLLER, PQFP44 |
| L6713ATR | 2 A SWITCHING CONTROLLER, 225 kHz SWITCHING FREQ-MAX, PQFP64 |
| L6716TR | DUAL SWITCHING CONTROLLER, 225 kHz SWITCHING FREQ-MAX, QCC48 |
| L6716 | DUAL SWITCHING CONTROLLER, 225 kHz SWITCHING FREQ-MAX, QCC48 |
| L6722 | SWITCHING CONTROLLER, 300 kHz SWITCHING FREQ-MAX, QCC36 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| L6710TR | 功能描述:功率驱动器IC 6-Bit Dual Ph Contlr RoHS:否 制造商:Micrel 产品:MOSFET Gate Drivers 类型:Low Cost High or Low Side MOSFET Driver 上升时间: 下降时间: 电源电压-最大:30 V 电源电压-最小:2.75 V 电源电流: 最大功率耗散: 最大工作温度:+ 85 C 安装风格:SMD/SMT 封装 / 箱体:SOIC-8 封装:Tube |
| L6711 | 功能描述:DC/DC 开关控制器 3 PHASE CONTROLLER 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 |
| L6711_06 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:3 Phase controller with dynamic VID and selectable DACs |
| L6711TR | 功能描述:DC/DC 开关控制器 3 PHASE CONTROLLER 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 |
| L6712 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:TWO-PHASE INTERLEAVED DC/DC CONTROLLER |
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