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参数资料
| 型号： | ZXSC100N8TC |
| 厂商： | Diodes Inc |
| 文件页数： | 10/13页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST PWM 8-SOIC |
| 标准包装： | 2,500 |
| PWM 型： | 控制器 |
| 输出数： | 1 |
| 频率 - 最大： | 200kHz |
| 占空比： | 90% |
| 电源电压： | 0.926 V ~ 1 V |
| 降压： | 无 |
| 升压： | 是 |
| 回扫： | 无 |
| 反相： | 无 |
| 倍增器： | 无 |
| 除法器： | 无 |
| Cuk： | 无 |
| 隔离： | 无 |
| 工作温度： | 0°C ~ 70°C |
| 封装/外壳： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 带卷 (TR) |
| 配用： | ZXSC100-EVAL-ND - BOARD EVALUATION FOR ZXSC100 |
ZXSC100X8 Obsolete
Closest Alternative is ZXSC100N8
ZXSC100
SINGLE CELL DC-DC CONVERTER SOLUTION
Designing with the ZXSC100 (cont.)
Main Switching Waveforms
Steady state operation under constant load gives an excellent indication of ZXSC100 performance. Represented in Figure 4.
is the main switching waveform, measured at the collector of Q1, indicating the transistor on-state and the diode energy
transfer to the output.
Fig. 4 Switching Waveform
Fig. 5 I SENSE Threshold
The peak switching current is derived from the threshold of the I SENSE pin and the sense resistor value (see Applications
section for calculations). Figure 5. shows the switching waveform associated with the I SENSE pin.
Shown in Figure 6. is the discontinuous inductor current. The ramp-up current stores energy in the inductor. The switching
transistor,Q1, is on during this time and has an equivalent current ramp-up, shown in Figure 7. The ramp-down current is
associated with the energy being delivered to the output via the Schottky diode, D1. The diode current is equivalent to this
ramp-down current and is shown in figure 8.
Fig. 6 Inductor Current (200mA/div)
Fig. 7 Transistor Current (200mA/div)
ZXSC100
Document number: DS33613 Rev. 6 - 2
10 of 13
January 2012
? Diodes Incorporated
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相关代理商/技术参数 |
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| ZXSC100X8 | 制造商:ZETEX 制造商全称:ZETEX 功能描述:SINGLE CELL DC-DC CONVERTER SOLUTION |
| ZXSC100X8TA | 功能描述:开关变换器、稳压器与控制器 Single Cell DC-DC 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 |
| ZXSC100X8TC | 功能描述:开关变换器、稳压器与控制器 Single Cell DC-DC 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 |
| ZXSC300 | 制造商:DIODES 制造商全称:Diodes Incorporated 功能描述:SINGLE OR MULTI CELL LED DRIVER SOLUTION |
| ZXSC300_06 | 制造商:ZETEX 制造商全称:ZETEX 功能描述:SINGLE OR MULTI CELL LED DRIVER SOLUTION |
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