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參數(shù)資料
| 型號(hào)： | MAX1674-MAX1676 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | High-Efficiency, Low-Supply-Current, Compact, Step-Up DC-DC Converters |
| 中文描述： | 高效率，低電源電流，結(jié)構(gòu)緊湊，升壓型DC - DC轉(zhuǎn)換器 |
| 文件頁(yè)數(shù)： | 2/12頁(yè) |
| 文件大?。?/td> | 160K |
| 代理商： | MAX1674-MAX1676 |
M
High-Effic ienc y, Low-S upply-Current,
Compac t, S tep-Up DC-DC Converters
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
Supply Voltage (OUT to GND) ..............................-0.3V to +6.0V
Switch Voltage (LX to GND) .....................-0.3V to (V
OUT
+ 0.3V)
Battery Voltage (BATT to GND).............................-0.3V to +6.0V
SHDN
,
LBO
to GND ..............................................-0.3V to +6.0V
LBI, REF, FB, CLSEL to GND ...................-0.3V to (V
OUT
+ 0.3V)
Switch Current (LX)...............................................-1.5A to +1.5A
Output Current (OUT) ...........................................-1.5A to +1.5A
ELECTRICAL CHARACTERISTICS
(V
BATT
= 2V, FB = OUT (V
OUT
= 3.3V), R
L
= ˙
∞
,
T
A
= 0°C to +85°C
, unless otherwise noted. Typical values are at T
A
= +25°C.)
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.
Continuous Power Dissipation (T
A
= +70°C)
8-Pin μMAX (derate 4.1mW/°C above +70°C) .............330mW
10-Pin μMAX (derate 5.6mW/°C above +70°C) ...........444mW
Operating Temperature Range ...........................-40°C to +85°C
J unction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +165°C
Lead Temperature (soldering, 10sec) .............................+300°C
T
A
= +25°C, R
L
= 3k
(Note 1)
V
LX
= 0, 5.5V; V
OUT
= 5.5V
T
A
= +25°C
MAX1675, MAX1676 (CLSEL = GND)
MAX1674, MAX1676 (CLSEL = OUT)
I
LX
= 100mA
FB = OUT
(V
OUT
= 3.3V)
V
OUT
= 2V to 5.5V
I
REF
= 0 to 100μA
90
130
MAX1675,
MAX1676 (CLSEL = GND)
FB = OUT
FB = GND
I
REF
= 0
CONDITIONS
μA
0.05
1
I
LEAK
LX Leakage Current
A
0.4
0.5
0.65
I
LIM
0.80
1
1.20
LX Switch Current
Limit (NFET)
0.3
0.6
R
DS(ON)
Internal NFET, PFET
On-Resistance
V
1.274
1.30
1.326
FB, LBI Input Threshold
mV/V
0.08
2.5
V
REF_LINE
Reference Voltage Line
Regulation
mV
3
15
V
REF_LOAD
Reference Voltage Load
Regulation
mV/°C
0.024
TEMPCO
Reference Voltage Tempco
V
1.274
1.30
1.326
V
REF
Reference Voltage
V
0.9
-2
3.30
5
1.1
Start-Up Voltage
Start-Up Voltage Tempco
V
1.1
5.5
V
IN
V
0.7
Minimum Input Voltage
Operating Voltage
150
220
FB = GND
(V
OUT
= 5V)
MAX1675,
MAX1676 (CLSEL = GND)
180
285
I
OUT
MAX1674,
MAX1676 (CLSEL = OUT)
mA
300
420
Steady-State Output Current
(Note 2)
mV/°C
V
3.17
4.80
2
3.43
5.20
5.5
V
OUT
Output Voltage
MAX1674,
MAX1676 (CLSEL = OUT)
V
Output Voltage Range
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1675EUA | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Compact Step-Up DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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 |
| MAX1675EUA+ | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Compact Step-Up DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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 |
| MAX1675EUA+T | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Compact Step-Up DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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 |
| MAX1675EUA-T | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Compact Step-Up DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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 |
| MAX1676EUB | 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 Compact Step-Up DC/DC Converter RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開(kāi)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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