參數(shù)資料
型號： MAX1947ETA24
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： SWITCHING REGULATOR, DSO8
封裝： 3 X 3 MM, 0.80 MM HEIGHT, MO229/WEEC, EXPOSED PAD, TDFN-8
文件頁數(shù)： 2/10頁
文件大小： 817K
代理商： MAX1947ETA24
M
Low Input/Output Voltage
Step-Up DC-DC Converter with
RESET
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
BATT, OUT,
SHDN
to GND ...................................-0.3V to +4.0V
RESET
to GND..........................................-0.3V to (V
OUT
+ 0.3V)
PGND to GND .......................................................-0.3V to +0.3V
Switch Current (I
LX
, I
OUT
, I
PGND
) (Note 1) .................-1A to +1A
Continuous Power Dissipation (T
A
= +70
°
C)
8-Pin TDFN (derate 24.4mW/
°
C
above +70
°
C)..........................................................1951.2mW
ELECTRICAL CHARACTERISTICS
(V
BATT
= 1.5V, T
A
= -40
°
C to +85
°
C, unless otherwise noted. Typical values are at T
A
= +25
°
C.) (Note 2)
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.
Note 1:
LX has internal clamp diodes to PGND and OUT. Applications that forward bias these diodes should take care not to exceed the
IC’s package power-dissipation limits.
Operating Temperature Range ...........................-40
°
C to +85
°
C
Junction Temperature......................................................+150
°
C
Storage Temperature Range.............................-65
°
C to +150
°
C
Lead Temperature (soldering, 10s).................................+300
°
C
PARAMETER
CONDITIONS
MIN
TYP
0.8
MAX
0.95
UNITS
V
Minimum Startup Voltage
R
LOAD
= 1k
, T
A
= +25
°
C
Startup-Voltage Temperature
Coefficient
-2.1
mV/
°
C
Maximum Input Operating
Voltage
(Note 3)
3.6
V
Minimum Input Operating Voltage
0.7
1.8
2.5
3.0
3.3
1.2
273
214
185
169
380
361
329
2
70
1
0.25
V
MAX1947ETA18, I
LOAD
= 40mA
MAX1947ETA25, I
LOAD
= 32mA
MAX1947ETA30, I
LOAD
= 25mA
MAX1947ETA33, I
LOAD
= 25mA
No load to full load
1.74
2.42
2.9
3.2
1.86
2.58
3.1
3.4
Output Voltage
V
Load Regulation
%
MAX1947ETA18
MAX1947ETA25
MAX1947ETA30
MAX1947ETA33
MAX1947ETA25
MAX1947ETA30
MAX1947ETA33
160
130
100
100
240
200
200
V
BATT
= 1V
Full-Load Output Current
V
BATT
= 1.8V
mA
Supply Current into BATT
Supply Current into OUT
LX Switch Maximum On-Time
LX Switch Minimum Off-Time
No switching
No switching
4
μA
μA
μs
μs
110
1.3
0.3
0.7
0.2
Maximum On-Time to Minimum
Off-Time Ratio
3.6
4
4.6
Frequency in Startup
650
kHz
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1947ETA25 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述:
MAX1947ETA25+ 制造商:Maxim Integrated Products 功能描述:CONV DC-DC SGL-OUT STEP UP 8TDFN EP - Rail/Tube
MAX1947ETA25+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Step-Up w/RESET DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1947ETA25-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關(guān)頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數(shù)量:2 最大工作溫度:+ 85 C 安裝風(fēng)格:SMD/SMT
MAX1947ETA30+ 制造商:Maxim Integrated Products 功能描述:CONV DC-DC SGL-OUT STEP UP 8TDFN EP - Rail/Tube 制造商:Maxim Integrated Products 功能描述:STEP-UP DC-DC CONVERTER WITH ACTIVE-LOW
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