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| 型号： | MAX1680ESA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 3/12页 |
| 文件大小： | 0K |
| 描述： | IC REG MULTI CONFIG 125MA 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 |
| 输出数： | 1 |
| 输入电压： | 2 V ~ 5.5 V |
| 频率 - 开关： | 125kHz，250kHz |
| 电流 - 输出： | 125mA |
| 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 |
| 产品目录页面： | 1410 (CN2011-ZH PDF) |
125mA, Frequency-Selectable,
Switched-Capacitor Voltage Converters
ELECTRICAL CHARACTERISTICS (continued)
(Typical Operating Circuits (inverter configuration), FSEL = LV = GND, V IN = 5V, C1 = C2 = 10μF (MAX1680), C1 = C2 = 2.2μF
(MAX1681), T A = 0°C to +85°C , unless otherwise noted. Typical values are at T A = +25°C.)
PARAMETER
Power Efficiency
SYMBOL
CONDITIONS
R L = 100 ? to GND, FSEL = IN
MAX1680
MAX1681
MIN
TYP
90
80
MAX
UNITS
%
ELECTRICAL CHARACTERISTICS
(Typical Operating Circuits (inverter configuration), FSEL = LV = GND, V IN = 5V, C1 = C2 = 10μF (MAX1680), C1 = C2 = 2.2μF
(MAX1681), T A = -40°C to +85°C , unless otherwise noted.) (Note 4)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
Input Voltage Range
V IN
Inverter configuration,
R L = 1k ? , LV = GND
Doubler configuration,
R L = 1k ? , LV = OUT
MAX1680
MAX1681
MAX1680
MAX1681
2.0
3.0
2.5
4.0
5.5
5.5
5.5
5.5
V
MAX1680
FSEL = IN
(125kHz)
FSEL = LV
(250kHz)
5.4
10.8
mA
Supply Current
I+
MAX1681
FSEL = IN
(500kHz)
FSEL = LV
(1MHz)
21.6
43.2
mA
Output Voltage Under Load
(Note 2)
Output Resistance (Note 2)
Output Resistance in
Shutdown
Shutdown Current
Input Bias Current (SHDN)
V LOAD
R OUT
R OUT(SHUT)
I+ SHDN
I SHDN
I LOAD = 125mA
FSEL = IN or LV
SHDN = IN
OUT = GND, SHDN = IN
-3.75
10
5
1
1
V
?
?
μA
μA
Input Bias Current (FSEL)
I FSEL
-1
1
μA
Shutdown, FSEL Thresholds
V IL
V IH
LV = GND (Note 3)
-1
4
1
V
Switching Frequency
f OSC
MAX1680
MAX1681
FSEL = LV
FSEL = IN
FSEL = LV
FSEL = IN
157
79
570
285
348
174
1490
745
kHz
Note 2: C1 and C2 are low-ESR (<0.2 ? ) capacitors. Capacitor ESR adds to the circuit’s output resistance. Using capacitors with
higher ESR reduces output voltage and efficiency. The specified output resistance includes the C1 and C2 0.2 ? ESR.
Note 3: The typical threshold for V INPUT other than +5V is 0.35V INPUT (V IL = V IH ).
Note 4: Specifications to -40°C are guaranteed by design, not production tested.
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