- 您现在的位置：买卖IC网 > PDF目录67754 > L6731B (STMICROELECTRONICS) 20 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16 PDF资料下载
参数资料
| 型号： | L6731B |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 稳压器 |
| 英文描述： | 20 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | HTSSOP-16 |
| 文件页数： | 11/24页 |
| 文件大小： | 439K |
| 代理商： | L6731B |
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
Obsolete
Product(s)
- Obsolete
Product(s)
L6731B
Application details
19/24
6.3
Input capacitors
The input capacitors have to sustain the RMS current flowing through them, that is:
Where D is the duty cycle. The equation reaches its maximum value, IOUT /2 with D = 0.5. The
losses in worst case are:
6.4
Compensation network
The loop is based on a voltage mode control (Figure 18.). The output voltage is regulated to the
internal/external reference voltage and scaled by the external resistor divider. The error
amplifier output VCOMP is then compared with the oscillator triangular wave to provide a pulse-
width modulated (PWM) with an amplitude of VIN at the PHASE node. This waveform is filtered
by the output filter. The modulator transfer function is the small signal transfer function of VOUT/
VCOMP. This function has a double pole at frequency FLC depending on the L-COUT resonance
and a zero at FESR depending on the output capacitor's ESR. The DC Gain of the modulator is
simply the input voltage VIN divided by the peak-to-peak oscillator voltage: VOSC.
Figure 11. Compensation Network
)
1
(
D
Iout
Irms
=
2
)
5
.
0
(
Iout
ESR
P
=
相关PDF资料 |
PDF描述 |
|---|---|
| L6731D | 20 A SWITCHING CONTROLLER, 500 kHz SWITCHING FREQ-MAX, PDSO16 |
| L9230-DIE1 | STEPPER MOTOR CONTROLLER, UUC |
| L9230 | STEPPER MOTOR CONTROLLER, PDSO20 |
| LA5680T | SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQFP48 |
| LA5681T | SWITCHING CONTROLLER, 520 kHz SWITCHING FREQ-MAX, PQFP48 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| L6731BTR | 功能描述:IC CTRLR ADJ STEP DOWN 16-TSSOP RoHS:是 类别:集成电路 (IC) >> PMIC - 稳压器 - 专用型 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,000 系列:- 应用:电源，ICERA E400，E450 输入电压:4.1 V ~ 5.5 V 输出数:10 输出电压:可编程 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:42-WFBGA，WLCSP 供应商设备封装:42-WLP 包装:带卷 (TR) |
| L6731D | 功能描述:DC/DC 开关控制器 Adjustable Step Down 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 |
| L6731DTR | 功能描述:DC/DC 开关控制器 Adjustable Step Down 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 |
| L6732 | 功能描述:DC/DC 开关控制器 Adjustable Step Down 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 |
| L6732_08 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:Adjustable step-down controller with synchronous rectification |
发布紧急采购，3分钟左右您将得到回复。