参数资料
| 型号： | ZXSC100X8TC |
| 厂商： | Diodes Inc |
| 文件页数： | 11/13页 |
| 文件大小： | 0K |
| 描述： | IC REG CTRLR BST PWM 8-MSOP |
| 标准包装： | 4,000 |
| 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-TSSOP，8-MSOP（0.118"，3.00mm 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 (cont.)
Fig. 8 Diode Current (200mA/div)
Fig. 9 Output Voltage Ripple for
3.3V/100mA output
Output Voltage Ripple
Output voltage ripple is shown in Figure 9. The circuit is operated with a 1.2V input voltage, 3.3V output voltage and 100mA
load current. Output voltage ripple will be dependent, to a large extent, on the output capacitor ESR. (see Applications section
for recommended capacitors).
Transient Response
Transient response to step changes in load is a critical feature in many converter circuits. The ZXSC100 operates a pulse by
pulse regulation scheme and therefore corrects for changes in the output every pulse cycle, giving excellent response
characteristic.
Measurement with a Power Supply
When measuring with a power supply it is important to realise that the impedance is much greater than that of a secondary
battery (NiCd or NiMH). To simulate the lower impedance of the battery x10 low ESR 1000μF capacitors where placed in
parallel at the input of the converter. All the dynamic performance measurements were taken using this technique.
ZXSC100
Document number: DS33613 Rev. 6 - 2
11 of 13
January 2012
? Diodes Incorporated
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