參數(shù)資料
型號(hào)： MAX1705C
廠商： Maxim Integrated Products, Inc.
元件分類(lèi)： DC/DC變換器
英文描述： 1- to 3-Cell, High-Current, Low-Noise, Step-Up DC-DC Converters with Linear Regulator
中文描述： 1 - 3節(jié)電池，大電流，低噪聲，升壓型DC - DC轉(zhuǎn)換器與線性穩(wěn)壓器
文件頁(yè)數(shù)： 2/20頁(yè)
文件大?。?/td> 215K
代理商： MAX1705C
M
1- to 3-Cell, High-Current, Low-Noise,
Step-Up DC-DC Converters with Linear Regulator
2
_______________________________________________________________________________________
ABSOLUTE MAXIMUM RATINGS
ONA,
ONB
, FBLDO, OUT, POUT to GND...................-0.3V to 6V
PGND to GND.....................................................................±0.3V
POUT to OUT......................................................................±0.3V
LX to PGND ............................................-0.3V to (V
POUT
+ 0.3V)
CLK/SEL, REF, FB, TRACK, LDO,
LBN, LBP, LBO to GND.......................-0.3V to (V
OUT
+ 0.3V)
LDO Short Circuit.......................................................Continuous
ELECTRICAL CHARACTERISTICS
(V
OUT
= V
POUT
= V
LBP
= 3.6V, CLK/SEL = FB = LBN = LBO = ONA =
ONB
= TRACK = GND, REF = open (bypassed with 0.22μF),
LX = open,
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)
QSOP (derate 8.70mW/°C above +70°C)...................696mW
Operating Temperature Range ...........................-40°C to +85°C
J unction Temperature......................................................+150°C
Storage Temperature Range.............................-65°C to +160°C
Lead Temperature (soldering, 10sec) .............................+300°C
CLK/SEL = OUT
V
FB
= 1.5V
-1μA < I
REF
< 50μA
2.5V < V
OUT
< 5.5V
(Note 1)
I
REF
= 0μA
CLK/SEL = GND, V
FB
= V
FBLDO
= 1.5V,
no load
ONA = GND,
ONB
= OUT, measure I
OUT
(Note 2)
V
POUT
= V
OUT
= 1.5V
MAX1705, 0A
≤
I
LX
≤
0.5A;
MAX1706, 0A
≤
I
LX
≤
0.25A;
CLK/SEL = OUT
TRACK = V
LDO
> 2.3V
CLK/SEL = OUT
CONDITIONS
mV
mV
4
15
5
Reference Load Regulation
Reference Supply Regulation
V
1.238
1.250
1.262
Reference Output Voltage
μA
180
360
I
OUT
Supply Current in
Low-Noise Mode
V
1.219
1.233
0.01
1.247
50
5.5
FB Regulation Voltage
FB Input Current
OUT Adjust Range
V
0.7
Minimum Operating Battery
Voltage
μA
100
190
I
OUT
Supply Current in
Low-Power Mode
μA
1
20
I
OUT
Supply Current in Shutdown
V
2.00
2.15
2.30
Start-Up to Normal Mode
Transition Voltage
kHz
40
150
300
f
LX
Frequency in Start-Up Mode
nA
V
2.5
%
0.65
1.25
Load Regulation
V
V
LDO
+ 0.2
V
LDO
+ 0.3
V
LDO
+ 0.4
OUT Voltage in Track Mode
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
T
A
= +25°C, I
LOAD
< 1mA, Figure 2
V
0.9
1.1
Minimum Start-Up Voltage
0.2
DC-DC CONVERTER
REFERENCE
V
FB
= V
FBLDO
= 1.5V, no load
FB = GND (LX switching)
2.1
mA
相關(guān)PDF資料
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1705EEE 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 1-3 Cell Step-Up w/Linear Regulator 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
MAX1705EEE+ 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 1-3 Cell Step-Up w/Linear Regulator 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
MAX1705EEE+T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 1-3 Cell Step-Up w/Linear Regulator 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
MAX1705EEE-T 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 1-3 Cell Step-Up w/Linear Regulator 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
MAX1705ESE+ 制造商:Maxim Integrated Products 功能描述:1 TO 3-CELL HIGH-CURRENT LOW-NOIS - Rail/Tube
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