參數(shù)資料
型號： MAX1733EUK-T
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Low-Voltage, Step-Down DC-DC Converters in SOT23
中文描述： 0.565 A SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PDSO5
封裝： SOT-23, 5 PIN
文件頁數(shù)： 2/8頁
文件大?。?/td> 265K
代理商： MAX1733EUK-T
M
Low-Voltage, Step-Down DC-DC Converters
in SOT23
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
IN,
SHDN
to GND.....................................................-0.3V to +6V
OUT, FB, LX to GND....................................-0.3V to (V
IN
+ 0.3V)
OUT Short Circuit to GND..........................................Continuous
Continuous Power Dissipation (T
A
= +70°C)
5-Pin SOT23 (derate 7.1mW/°C above +70°C)............571mW
ELECTRICAL CHARACTERISTICS
(V
IN
= +2.7V to +5.5V,
SHDN
= IN,
T
A
= 0°C to +85°C.
Typical values are at T
A
= +25°C, unless otherwise noted.)
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
IN
V
START
CONDITIONS
MIN
2.7
TYP
MAX
5.5
2.0
1.95
UNITS
V
V
Input Voltage Range
Startup Voltage
V
IN
rising
V
IN
falling
1.85
1.65
200
UVLO Threshold
V
UVLO
1.55
V
UVLO Hysteresis
mV
Quiescent Supply Current
I
IN
No switching, no load (FB/OUT above trip
point)
40
70
μ
A
Shutdown Supply Current
Outp ut V ol ag e Range ( MAX 1733)
I
SHDN
V
OUT
SHDN
= GND
0.01
4
μ
A
V
1.25
-1.5
-3
2.0
+1.5
+3
I
OUT
= 0, T
A
= +25
°
C
I
OUT
= 0 to 250mA
I
OUT
= 0 to 250mA
V
IN
= 2.7V to 5.5V
V
OUT
= V
REG
, V
IN
= V
SHDN
= 5V
T
A
= +25
°
C, V
IN
= 3.6V
V
IN
= 3.6V
V
FB
= 1.5V
2.7V < V
IN
< 5.5V
2.7V < V
IN
< 5.5V
SHDN
= GND or IN
Output Voltage Accuracy
(MAX1734)
%
Load Regulation
Line Regulation
OUT Sense Current (MAX1734)
0
0
4
%/mA
%/V
μ
A
8
1.231
1.220
1.250
1.269
1.280
0.2
FB Feedback Threshold
(MAX1733)
V
FB
V
FB Leakage Current (MAX1733)
SHDN
Input High Voltage
SHDN
Input Low Voltage
SHDN
Leakage Current
High-Side Current Limit
Low-Side Current Limit
I
FB
V
IH
V
IL
I
SHDN
I
LIMP
I
LIMN
0.001
μ
A
V
V
μ
A
mA
mA
1.6
0.4
1
535
430
1.4
1.1
2
1.6
0.001
425
325
0.7
0.5
1.0
0.8
40
0.1
0.1
0.4
0.4
300
200
I
LX
= -50mA, V
IN
= 3.0V
I
LX
= -50mA, V
IN
= 5.5V
I
LX
= -50mA, V
IN
= 3.0V
I
LX
= -50mA, V
IN
= 5.5V
High-Side On-Resistance
R
ONP
Rectifier On-Resistance
R
ONN
Rectifier Off-Current Threshold
LX Leakage Current
LX Reverse Leakage Current
Minimum On-Time
Minimum Off-Time
I
LXOFF
I
LXLEAK
I
LXLK,R
t
ON(MIN)
t
OFF( M N)
mA
μ
A
μ
A
μ
s
μ
s
V
IN
= 5.5V, V
LX
= 0 to V
IN
IN unconnected, V
LX
= 5.5V,
SHDN
= GND
V
IN
= 3.6V
V
IN
= 3.6V
5
5
0.28
0.28
0.5
0.5
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1733EUK-TG05 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Step-Down 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
MAX1734EUK15 制造商:Maxim Integrated Products 功能描述:5 PIN COUNT SOT PACKAGE TYPE - Bulk
MAX1734EUK15+ 制造商:Maxim Integrated Products 功能描述:CONV DC-DC SGL-OUT STEP DOWN 5PIN SOT-23 - Rail/Tube
MAX1734EUK15+T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Step-Down 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
MAX1734EUK15-T 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Step-Down 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
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