参数资料
| 型号： | SC1462ISKTRT |
| 厂商： | Semtech |
| 文件页数： | 3/10页 |
| 文件大小： | 0K |
| 描述： | IC REG SWITCHD CAP DBL ADJ SOT23 |
| 标准包装： | 1 |
| 类型： | 切换式电容器（充电泵），倍增器 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 可调至 12V |
| 输入电压： | 1.65 V ~ 5.5 V |
| 频率 - 开关： | 160kHz |
| 电流 - 输出： | 80mA |
| 同步整流器： | 无 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SOT-23-6 |
| 包装： | 标准包装 |
| 供应商设备封装： | SOT-23-6 |
| 产品目录页面： | 1357 (CN2011-ZH PDF) |
| 其它名称： | SC1462ISKDKR |
NOT RECOMMENDED FOR NEW DESIGN
POWER MANAGEMENT
Electrical Characteristics (Cont.)
SC1462
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Short Circuit Current
Output Ripple (pk-pk) (3)(4)
Power Ef ? ciency (3)
Maximum Output Voltage (4)
Time to Regulation at
Turn-On (5)
Input High Threshold
Input Low Threshold
I SC
V R
η
V OUT
t ON
V IN
V IL
V OUT = 0V
I OUT = 45mA, V IN = 2.5V
I OUT = 45mA, V IN = 2.5V
I OUT = 0mA
I OUT = 0 to 60mA, V IN = 3.6V
SHDN pin, 2.5V ≤ V IN ≤ 5.5V
SHDN pin, 2.5V ≤ V IN ≤ 5.5V
86
1.6
200
75
500
2×V IN
0.4
mA
mV
%
V
μ s
V
V
Over-Temperature Protection (4)
Over-Temperature Hystereis (4)
T OT
Hysteresis
140
20
°C
°C
Notes:
1) The internal switch resistance, the capacitor ESR and the oscillator’s switching frequency all contribute to R OUT .
See the CAPACITOR SELECTION section on Page 6 for information on applying the R OUT speci ? cation.
2) The parameter R SW is equal to the total resistance of all 4 internal switches. See the CAPACITOR SELECTION section for information
on applying the R SW speci ? cation. The parameter was calculated from actual output resistance and the equation on Page 6 for R OUT .
3) All electrical characteristics are for the Typical Application Circuit on Page 1.
4) Guaranteed by design.
5) Soft start functionality is performed along with short circuit protection. If V OUT is less than V IN - 200mV, then all switches are turned off
and V OUT is charged with a 200mA current source from V IN . When V OUT reaches V IN - 200mV all switches are enabled.
? 2005 Semtech Corp.
3
www.semtech.com
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