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| 型号： | LX1677CPW-TR |
| 厂商： | MICROSEMI CORP-ANALOG MIXED SIGNAL GROUP |
| 元件分类： | 稳压器 |
| 英文描述： | 1.5 A SWITCHING CONTROLLER, 1100 kHz SWITCHING FREQ-MAX, PDSO38 |
| 封装： | ROHS COMPLIANT, PLASTIC, TSSOP-38 |
| 文件页数： | 6/16页 |
| 文件大小： | 320K |
| 代理商： | LX1677CPW-TR |
LX1677
PRODUCTION DATA SHEET
Microsemi
Integrated Products Division
11861 Western Avenue, Garden Grove, CA. 92841, 714-898-8121, Fax: 714-893-2570
Page 14
WWW
.Microse
m
i
.CO
M
AMD64 Processor VRM Controller
Copyright
2000
Rev 1.1, 2003-03-03
TM
APPLICATION NOTE (CONTINU E D)
SOFT-START CAPACITOR
An external soft-start capacitor is connected to the
DACOUT pin and will be charged, or discharged, at a
linear rate by the internal 50uA bi-directional current source
after the UVLO circuit has been satisfied. Whenever the
VID code is changed during normal operation the soft-start
capacitor will determine the rate of change at the output.
PROGRAMMING THE OUTPUT VOLTAGE
Output voltage is determined by the internal 5 bit DAC.
The DAC inputs are the Voltage Identification (VID) 0-4
lines, the VID table lists the available output voltages for
the corresponding VID codes.
There are no external resistor dividers to program output
voltage and only the steps listed are available.
AA
PP
LL
IICC
AA
TT
IIOO
NN
SS
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相关代理商/技术参数 |
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| LX1681 | 制造商:MICROSEMI 制造商全称:Microsemi Corporation 功能描述:VOLTAGE - MODE PWM CONTROLLERS |
| LX1681_05 | 制造商:MICROSEMI 制造商全称:Microsemi Corporation 功能描述:Voltage-Mode PWM Controllers |
| LX1681CDM | 功能描述:IC REG CTRLR DIVIDER PWM 8-SOIC RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - DC DC 切换控制器 系列:- 标准包装:4,000 系列:- PWM 型:电压模式 输出数:1 频率 - 最大:1.5MHz 占空比:66.7% 电源电压:4.75 V ~ 5.25 V 降压:是 升压:无 回扫:无 反相:无 倍增器:无 除法器:无 Cuk:无 隔离:无 工作温度:-40°C ~ 85°C 封装/外壳:40-VFQFN 裸露焊盘 包装:带卷 (TR) |
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