參數(shù)資料
型號(hào)： MAX1833
廠商： Maxim Integrated Products, Inc.
元件分類： 數(shù)字信號(hào)處理
英文描述： Replaced by TMS320BC52 : Digital Signal Processors 100-LQFP -40 to 85
中文描述： 高效率、升壓型轉(zhuǎn)換器，帶有反接電池保護(hù)
文件頁(yè)數(shù)： 2/12頁(yè)
文件大小： 511K
代理商： MAX1833
M
High-Efficiency Step-Up Converters with
Reverse Battery Protection
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
BATT, LX to GND.........................................................-6V to +6V
LX to OUT....................................................................-6V to +1V
SHDN
to GND..............................................-6V to (V
OUT
+ 0.3V)
OUT, FB,
RST
TO GND ............................................-0.3V to +6V
LX Current................................................................................1A
Continuous Power Dissipation (T
A
= +70
°
C)
6-Pin SOT23 (derate 9.1mW/
°
C above +70
°
C) ...........727mW
6-Pin 3mm
3mm TDFN (derate 24.4mW/
°
C
above +70
°
C) ............................................................1951mW
ELECTRICAL CHARACTERISTICS
(V
SHDN
= +1.5V, V
OUT
= +3.3V, V
BATT
= +2V, GND = 0, T
A
= -40
°
C to +85
°
C. Typical values are at T
A
= +25
°
C, unless otherwise
noted.) (Note 1)
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.
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
SYMBOL
V
OUT
V
BATT
CONDITIONS
MIN
2.0
1.5
TYP
MAX
5.5
5.5
1.5
UNITS
V
V
Output Range
Battery Input Range
MAX1832/MAX1834
T
A
= +25
°
C
T
A
= -40
°
C to +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C to +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C to +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C to +85
°
C
T
A
= +25
°
C
1.22
1.24
3.290
Startup Battery Input Voltage
V
SU
R
LOAD
= 2.6k
V
3.225
3.208
2.94
2.925
1.208
1.204
3.355
3.372
3.06
3.075
1.248
1.252
20
MAX1833EUT/
MAX1835EUT
3.0
Output Voltage
V
OUT
MAX1833ETT30
V
1.228
FB Trip Voltage
V
FB
MAX1832/
MAX1834
MAX1832/
MAX1834,
V
FB
= +1.3V
V
OUT
= +3.3V
I
LX
= 100mA
V
3.5
FB Input Bias Current
I
FB
T
A
= -40
°
C to +85
°
C
4.0
nA
T
A
= +25
°
C
T
A
= -40
°
C to +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C to +85
°
C
0.4
1.2
1.5
1.3
1.6
N-Channel On-Resistance
R
NCH
0.5
P-Channel On-Resistance
R
PCH
V
OUT
= +3.3V
I
LX
= 100mA
P-Channel Catch-Diode Voltage
I
LX
= 100mA, PCH off, V
OUT
= +3.5V,
V
FB
= +1.3V
0.73
V
T
A
= +25
°
C
T
A
= -40
°
C to +85
°
C
435
400
3.5
2
0
525
615
650
6.5
34
39
7.0
8.0
1
N-Channel Switch Current Limit
I
MAX
V
OUT
= +3.3V
mA
Switch Maximum On-Time
t
ON
5
17
μs
T
A
= +25
°
C
T
A
= -40
°
C to +85
°
C
T
A
= +25
°
C
T
A
= -40
°
C to +85
°
C
Synchronous Rectifier Zero-
Crossing Current
V
OUT
= +3.3V
mA
2.5
Quiescent Current into OUT
(Note 2)
V
OUT
= +3.5V,
V
FB
= +1.3V
V
OUT
= +3.5V, V
SHDN
= V
FB
= 0V
μA
Shutdown Current into OUT
0.05
μA
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1833ETT30 制造商:Maxim Integrated Products 功能描述:HIGH-EFFICIENCY STEP-UP CONVERTER - Rail/Tube
MAX1833ETT30+ 制造商:Maxim Integrated Products 功能描述:
MAX1833ETT30+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Step-Up Converter w/Reverse Bat Prtct 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
MAX1833ETT30-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Step-Up Converter w/Reverse Bat Prtct 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
MAX1833EUT 制造商:Maxim Integrated Products 功能描述:HIGH-EFFICIENCY STEP-UP CONVERTER - Rail/Tube
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