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參數(shù)資料
| 型號： | MAX1703ESE |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1-Cell to 3-Cell, High-Power 1.5A, Low-Noise, Step-Up DC-DC Converter |
| 中文描述： | SWITCHING REGULATOR, 340 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 0.150 INCH, SOIC-16 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 273K |
| 代理商： | MAX1703ESE |
M
1-Cell to 3-Cell, High-Power (1.5A),
Low-Noise, Step-Up DC-DC Converter
4
_______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(CLK/SEL = AIN =
ON
= POKIN = FB = PGND = GND, OUT = POUT, LXP = LXN, V
OUT
= 5.3V (Note 1),
T
A
= -40°C to +85°C
, unless
otherwise noted. Typical values are at T
A
= +25°C.) (Note 8)
CLK/SEL = GND
CLK/SEL = OUT
CLK/SEL = GND
CLK/SEL = OUT
N-channel
CONDITIONS
P-channel
Rising V
POKIN
V
1.225
1.275
POKIN Trip Level
GAIN BLOCK
0.25
3600
Switch On-Resistance
mA
500
1100
N-Channel Current Limit
mA
2200
0.13
I
AO
= 20μA
10μA < I
AO
< 100μA
0.25
V
1.23
5
1.27
16
AIN Reference Voltage
Transconductance
REFERENCE
UNITS
MIN
TYP
MAX
PARAMETER
Note 1:
Supply current from the 5.05V output is measured between the 5.05V output and the OUT pin. This current correlates
directly to the actual battery supply current, but is reduced in value according to the step-up ratio and efficiency. Set
V
OUT
= 5.3V to keep the internal switch open when measuring the device operating current.
Note 2:
Minimum operating voltage. Since the regulator is bootstrapped to the output, once started it will operate down to a 0.7V
input.
Note 3:
Start-up is tested with the circuit of Figure 2.
Note 4:
In low-power mode (CLK/SEL = GND) the output voltage regulates 1% higher than low-noise mode (CLK/SEL = OUT or
synchronized).
Note 5:
The regulator is in start-up mode until this voltage is reached. Do not apply full-load current below this voltage.
Note 6:
Load regulation is measured from no-load to full load, where full load is determined by the N-channel switch current limit.
Note 7:
The
ON
input has a total hysteresis of approximately 0.15 x V
OUT
.
Note 8:
Specifications to -40°C are guaranteed by design and not production tested.
mmho
I
REF
= 0μA
V
1.23
1.27
Reference Output Voltage
LOGIC INPUTS
CLK/SEL = OUT, V
FB
= 0.5V
CLK/SEL = OUT, V
FB
= 0.5V
kHz
%
260
80
340
92
Internal Oscillator Frequency
Oscillator Maximum Duty Cycle
DC-DC SWITCHES
POWER-GOOD COMPARATOR
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1703ESE+ | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1-3 Cell 1A Step-Up DC/DC Converters 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 |
| MAX1703ESE+T | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1-3 Cell 1A Step-Up DC/DC Converters 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 |
| MAX1703ESE-T | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 1-3 Cell 1A Step-Up DC/DC Converters 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 |
| MAX1703EVKIT | 功能描述:直流/直流開關(guān)轉(zhuǎn)換器 Evaluation Kit for the MAX1703 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 |
| MAX17040EVKIT+ | 制造商:Maxim Integrated Products 功能描述:MAX17040G+ EVAL KIT - Boxed Product (Development Kits) |
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