参数资料
型号: MAX1947ETA30+T
厂商: Maxim Integrated Products
文件页数: 3/11页
文件大小: 0K
描述: IC REG BOOST SYNC 3V 0.25A 8TDFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 1
类型: 升压(升压)
输出类型: 固定
输出数: 1
输出电压: 3V
输入电压: 0.7 V ~ 3.6 V
频率 - 开关: 最高 2MHz
电流 - 输出: 250mA
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-WDFN 裸露焊盘
包装: 标准包装
供应商设备封装: 8-TDFN-EP(3x3)
其它名称: MAX1947ETA30+TDKR
Low Input/Output Voltage
Step-Up DC-DC Converter with RESET
ELECTRICAL CHARACTERISTICS (continued)
(V BATT = 1.5V, T A = -40 ° C to +85 ° C, unless otherwise noted. Typical values are at T A = +25 ° C.) (Note 2)
PARAMETER
Startup to Normal-Mode Output
Transition Voltage
NFET Current Limit
PFET Turn-Off Current
CONDITIONS
50mV hysteresis, rising edge
T A = 0°C to +85°C
T A = -40°C to +85°C
T A = 0°C to +85°C
T A = -40°C to +85°C
MIN
1.40
600
580
15
10
TYP
1.62
800
800
75
75
MAX
1.73
1000
1000
150
150
UNITS
V
mA
mA
MAX1947ETA18
0.3
0.6
Internal NFET
On-Resistance
I LX = 100mA
MAX1947ETA25
MAX1947ETA30
0.22
0.17
0.44
0.34
Ω
MAX1947ETA33
MAX1947ETA18
0.15
0.5
0.3
1.0
Internal PFET
On-Resistance
I LX = 100mA
MAX1947ETA25
MAX1947ETA30
0.35
0.28
0.7
0.56
Ω
MAX1947ETA33
0.25
0.5
LX Leakage Current
SHDN = GND, V OUT = 0V,
V LX = 3.6V
T A = +25°C
T A = +85°C
0.1
1
1
μA
SHUTDOWN MODE
Shutdown Supply Current
SHDN Input Voltage
SHDN = GND
V IH
0.8 x
V BATT
2
4
μA
V
V IL
0.18 x
V BATT
SHDN Input Bias Current
OUT Discharge Resistance in
Shutdown
SHDN = OUT or GND, T A = +25 ° C
SHDN = OUT or GND, T A = +85 ° C
SHDN = GND
1
5
500
100
1000
nA
Ω
RESET OUTPUT
Reset OUT Voltage Trip Level
V OUT falling, 1% hysteresis
87
90
93
%
Minimum V OUT for Valid Reset
0.9
V
Reset Timeout
65
140
235
ms
RESET Output Voltage
I SINK = 200μA
I SOURCE = 200μA
0.8 x V OUT
0.3
V
Note 2: Limits are 100% production tested at T A = +25 ° C. Limits over the operating temperature range are guaranteed by design.
Note 3: When BATT is greater than the output-voltage set point, the part is in track mode (see the Track Mode section).
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