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| 型号： | MAX861ESA/V+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/11页 |
| 文件大小： | 0K |
| 描述： | IC REG SWITCHD CAP DBL INV 8SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 类型： | 切换式电容器（充电泵），倍增器，反相 |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | -1.5 V ~ -5.5 V，5 V ~ 11 V |
| 输入电压： | 1.5 V ~ 5.5 V |
| 频率 - 开关： | 13kHz，100kHz，250kHz |
| 电流 - 输出： | 50mA |
| 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： | 8-SOIC（0.154"，3.90mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 8-SOIC |
MAX860/MAX861
50mA, Frequency-Selectable,
Switched-Capacitor Voltage Converters
ELECTRICAL CHARACTERISTICS (continued)
– — — — –
(Typical Operating Circuit (Inverter), V DD = +5V, S H D N = V DD , FC = LV = GND, C1 = C2 = 10μF (Note 2), T A = T MIN to T MAX , unless
otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
FC = V DD
3
6
MAX860
FC = GND
30
50
Switching Frequency
(Note 5)
f S
MAX861
FC = OUT
FC = V DD
FC = GND
80
8
60
130
13
100
kHz
FC = OUT
160
250
FC Current (from V DD )
I FC
FC < 4V
MAX860,
FC = V DD
R L = 2k Ω from V DD
to OUT
R L = 1k Ω from OUT
to GND
93
90
-2
96
93
-4
μA
Power Efficiency (Note 6)
MAX861,
FC = V DD
R L = 2k Ω from V DD
to OUT
R L = 1k Ω from OUT
to GND
93
88
96
92
%
MAX860/MAX861, FC = V DD ,
I L = 50mA to GND, C1 = C2 = 68μF
87
Voltage-Conversion Efficiency
No load
99
99.9
%
– — — — –
S H D N Threshold
Shutdown Supply Current
Time to Exit Shutdown
V IH
V IL
LV = GND
– — — — –
S H D N < 0.3V
No load, V OUT = -4V
MAX86_I/E
MAX86_M
1.2
500
0.3
1
10
V
μA
μs
Note 2:
Note 3:
Note 4:
Note 5:
Note 6:
C1 and C2 are low-ESR (<0.2 Ω ) aluminum electrolytics. Capacitor ESR adds to the circuit’s output resistance. Using
capacitors with higher ESR may reduce output voltage and efficiency.
MAX860/MAX861 may draw high supply current during startup, up to the minimum operating supply voltage. To guaran-
tee proper startup, the input supply must be capable of delivering 90mA more than the maximum load current.
Specified output resistance includes the effect of the 0.2 Ω ESR of the test circuit’s capacitors.
The switches are driven directly at the oscillator frequency, without any division.
At lowest frequencies, using 10μF capacitors gives worse efficiency figures than using the recommended capacitor
values in Table 3, due to larger 1 ? (f s x C1) term in R OUT .
Maxim Integrated
3
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX861ISA | 功能描述:电荷泵 50mA f-Selectable Switched-Cap V Conv RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| MAX861ISA+ | 功能描述:电荷泵 50mA f-Selectable Switched-Cap V Conv RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| MAX861ISA+T | 功能描述:电荷泵 50mA f-Selectable Switched-Cap V Conv RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| MAX861ISA-T | 功能描述:电荷泵 50mA f-Selectable Switched-Cap V Conv RoHS:否 制造商:Maxim Integrated 功能:Inverting, Step Up 输出电压:- 1.5 V to - 5.5 V, 3 V to 11 V 输出电流:100 mA 电源电流:1 mA 最大工作温度:+ 70 C 封装 / 箱体:SOIC-8 Narrow 封装:Tube |
| MAX861ISA-TG069 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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