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参数资料
| 型号： | MAX871EUK+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 2/8页 |
| 文件大小： | 0K |
| 描述： | IC VOLT INVERT SW CAP SOT23-5 |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 1 |
| 应用： | 充电泵，LCD |
| 输入电压： | 1.4 V ~ 5.5 V |
| 输出数： | 1 |
| 输出电压： | -1.4 V ~ -5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | SC-74A，SOT-753 |
| 供应商设备封装： | SOT-23-5 |
| 包装： | 标准包装 |
| 其它名称： | MAX871EUK+TDKR |
Switched-Capacitor Voltage Inverters
ABSOLUTE MAXIMUM RATINGS
IN to GND ..............................................................+6.0V to -0.3V
OUT to GND ..........................................................-6.0V to +0.3V
C1+ ..............................................................(V IN + 0.3V) to -0.3V
C1-............................................................(V OUT - 0.3V) to +0.3V
OUT Output Current ...........................................................50mA
OUT Short Circuit to GND .............................................Indefinite
Continuous Power Dissipation (T A = +70°C)
SOT23-5 (derate 7.1mW/°C above +70°C)...................571mW
Operating Temperature Range
MAX870EUK/MAX871EUK ...............................-40°C to +85°C
Storage Temperature Range .............................-65°C to +160°C
Lead Temperature (soldering, 10s) .................................+300°C
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
(V IN = +5V, C1 = C2 = 1μF (MAX870), C1 = C2 = 0.33μF (MAX871), T A = 0°C to +85°C , unless otherwise noted. Typical values
are at T A = +25°C.)
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Supply Current
T A = +25°C (Note 3)
MAX870
MAX871
0.7
2.7
1.0
3.8
mA
Minimum Supply Voltage
Maximum Supply Voltage
R LOAD = 10k ?
R LOAD = 10k ?
T A = +25°C
T A = 0°C to + 85°C
1.4
1.5
1.0
5.5
V
V
Oscillator Frequency
Power Efficiency
Voltage Conversion Efficiency
T A = +25°C
R LOAD = 500k ? ,
T A =+25°C
R LOAD = ∞, T A =+25°C
MAX870
MAX871
MAX870
MAX871
MAX870
MAX871
81
325
98
96
125
500
90
75
99.3
99
169
675
kHz
%
%
MAX870
C1 = C2 = 1μF
C1 = C2 = 0.47μF
20
25
50
Output Resistance (Note 1)
I OUT = T A = +25°C
5mA
MAX871
C1 = C2 = 0.33μF
C1 = C2 = 0.22μF
20
25
50
?
T A = 0°C to + 85°C
C1 = C2 = 0.1μF
35
65
Note 1: Capacitor contribution is approximately 20% of the output impedance [ESR + 1 / (pump frequency x capacitance)].
ELECTRICAL CHARACTERISTICS
(V IN = +5V, C1 = C2 = 1μF (MAX870), C1 = C2 = 0.33μF (MAX871), T A = -40°C to +85°C , unless otherwise noted.) (Note 2)
PARAMETER
Supply Current (Note 3)
Minimum Supply-Voltage Range
Maximum Supply-Voltage Range
MAX870
MAX871
R LOAD = 10k ?
R LOAD = 10k ?
CONDITIONS
MIN TYP MAX
1.3
4.4
1.6
5.5
UNITS
mA
V
V
Oscillator Frequency
Output Resistance
MAX870
MAX871
I OUT = 5mA
56
225
194
775
65
kHz
?
Voltage Conversion Efficiency
R LOAD = ∞
MAX870
MAX871
97
95
%
Note 2: All -40°C to +85°C specifications are guaranteed by design.
Note 3: The MAX870/MAX871 may draw high supply current during startup, up to the minimum operating supply voltage. To guarantee
proper startup, the input supply must be capable of delivering 90mA more than the maximum load current.
2
_______________________________________________________________________________________
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