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| 型号： | MAX1681ESA+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/12页 |
| 文件大小： | 0K |
| 描述： | IC REG MULTI CONFIG ADJ 8SOIC |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 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： | -2 V ~ -5.5 V，4 V ~ 11 V |
| 输入电压： | 2 V ~ 5.5 V |
| 频率 - 开关： | 500kHz，1MHz |
| 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： | 带卷 (TR) |
| 供应商设备封装： | 8-SOIC |
125mA, Frequency-Selectable,
Switched-Capacitor Voltage Converters
ABSOLUTE MAXIMUM RATINGS
IN ..............................................................................-0.3V to +6V
LV....................................................(V OUT - 0.3V) to (V IN + 0.3V)
CAP+ ...........................................................-0.3V to (V IN + 0.3V)
SHDN, FSEL ......................................(V LV - 0.3V) to (V IN + 0.3V)
OUT, CAP- ..................................................................-6V to 0.3V
Continuous Output Current ..............................................135mA
Continuous Power Dissipation (T A = +70°C)
SO (derate 5.88mW/°C above +70°C) ..........................471mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
Output Short-Circuit Duration to GND (Note 1) ...................1sec
Note 1: Shorting OUT to IN may damage the device and should be avoided.
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(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
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
V
FSEL = IN
T A = +25°C
2.5
4.5
MAX1680
(125kHz)
FSEL = LV
T A = +25°C
5
5.4
9
Supply Current
I+
MAX1681
(250kHz)
FSEL = IN
(500kHz)
FSEL = LV
T A = +25°C
T A = +25°C
10
20
10.8
18
21.6
36
mA
(1MHz)
43.2
Output Voltage Under Load
(Note 2)
V LOAD
I LOAD = 125mA
-3.75
-4.56
V
Output Resistance (Note 2)
Output Resistance to Ground
in Shutdown
Shutdown Current
Input Bias Current (SHDN)
Input Bias Current (FSEL)
R OUT
R OUT(SHUT)
I+ SHDN
I SHDN
I FSEL
FSEL = IN or LV
SHDN = IN
OUT = GND, SHDN = IN
-1
-1
3.5
1
10
5
1
1
1
?
?
μA
μA
μA
Shutdown, FSEL Thresholds
V IL
V IH
LV = GND (Note 3)
4
1
V
Switching Frequency
f OSC
MAX1680
MAX1681
FSEL = LV
FSEL = IN
FSEL = LV
FSEL = IN
T A = +25°C
T A = +25°C
T A = +25°C
T A = +25°C
187
157
94
79
750
570
375
285
250
125
1000
500
313
348
156
174
1250
1490
625
745
kHz
2
_______________________________________________________________________________________
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