参数资料
型号: MAX1795EUA+T
厂商: Maxim Integrated Products
文件页数: 3/13页
文件大小: 0K
描述: IC REG BOOST SYNC FIX/ADJ 8UMAX
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 升压(升压)
输出类型: 两者兼有
输出数: 1
输出电压: 3.3V,5V,可调
输入电压: 1 V ~ 5.5 V
PWM 型: 电流模式
频率 - 开关: 500kHz
电流 - 输出: 180mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-uMAX
Low Supply Current, Step-Up DC-DC Converters
with True-Shutdown
ELECTRICAL CHARACTERISTICS (continued)
(V BATT = +2V, OUT = FB (V OUT = +3.3V), SHDN = LBI = GND, T A = 0 ° C to +85 ° C , unless otherwise noted. Typical values are
T A = +25 ° C.)
PARAMETER
Operating Current into BATT
Shutdown Current into BATT
LX Switch MaxImum On-Time
LX Switch Minimum Off-Time
LBI Threshold Voltage Falling
SYMBOL
t ON
t OFF
V LBI
CONDITIONS
V FB = +1.4V, V LBI = +1V
SHDN = BATT, V LBI = +1V
V FB = +1V, if current limit not reached
V FB = +1V
V BATT = +2V
V BATT = LBI
MIN
3
0.8
0.8
0.875
TYP
2
2
4
1
0.85
0.925
MAX
4
4
5
1.2
0.90
0.975
UNITS
μ A
μ A
μ s
μ s
V
LBI Hysteresis
25
mV
LBI Input Current
LBO Low Output Voltage
I LBI
V LBI = +0.8V
V BATT = V LBI = +0.975V,
sinking 20 μ A (50 ? typ)
9
100
0.1
nA
V
V BATT = V LBI = +1.1V,
sinking 100 μ A (25 ? typ)
0.1
LBO Off-Leakage Current
SHDN Input Voltage
Shutdown Input Current
V IL
V IH
V LBO = +5.5V
V SHDN = 0 and +5.5V
0.8 ?
V BATT
1
100
0.2 ?
V BATT
100
nA
V
nA
ELECTRICAL CHARACTERISTICS
(V BATT = +2V, OUT = FB (V OUT = +3.3V), SHDN = LBI = GND, T A = -40 ° C to +85 ° C , unless otherwise noted.) (Note 3)
PARAMETER
Operating Voltage
Output Voltage
Adjustable Output Voltage
Range
SYMBOL
V BATT
V OUT
Note 1
FB = OUT
FB = GND
CONDITIONS
MIN
1.0
3.13
4.75
2.0
MAX
5.5
3.47
5.25
5.5
UNITS
V
V
V
MAX1795
100
Steady-State Output Current
(Note 1)
I OUT
FB = OUT
(V OUT = +3.3V)
MAX1796
MAX1797
MAX1795
200
400
60
mA
FB = GND
(V OUT = +5.0V)
MAX1796
MAX1797
125
250
Feedback Set-Point Voltage
(Adjustable Mode)
Feedback Input Current
V FB
I FB
V OUT = +2V to +5.5V
V FB = +1.25V
1.19
1.29
100
V
nA
_______________________________________________________________________________________
3
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MAX1796EUA+T 功能描述:直流/直流开关转换器 Low-Supply Current Step-Up DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
MAX1796EUA-T 功能描述:直流/直流开关转换器 Low-Supply Current Step-Up DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
MAX1797EUA 功能描述:直流/直流开关转换器 Low-Supply Current Step-Up DC/DC Conv RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT