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參數(shù)資料
| 型號： | MAX1703 |
| 廠商： | Maxim Integrated Products, Inc. |
| 元件分類： | DC/DC變換器 |
| 英文描述： | 1-Cell to 3-Cell, High-Power 1.5A, Low-Noise, Step-Up DC-DC Converter |
| 中文描述： | 1節(jié)至3節(jié)電池、大功率(1.5A)、低噪聲、升壓型DC-DC轉(zhuǎn)換器 |
| 文件頁數(shù)： | 4/16頁 |
| 文件大?。?/td> | 273K |
| 代理商： | MAX1703 |
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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相關代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX17030EVKIT+ | 功能描述:電源管理IC開發(fā)工具 MAX17030 Eval Kit RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V |
| MAX17030GTL+ | 功能描述:電壓模式 PWM 控制器 1/2/3-Phase PWM IMVP-6.5 VID Ctlr RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX17030GTL+T | 功能描述:電壓模式 PWM 控制器 1/2/3-Phase PWM IMVP-6.5 VID Ctlr RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX17031ETG+ | 功能描述:電壓模式 PWM 控制器 Dual PWM Step-Down Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
| MAX17031ETG+T | 功能描述:電壓模式 PWM 控制器 Dual PWM Step-Down Controller RoHS:否 制造商:Texas Instruments 輸出端數(shù)量:1 拓撲結(jié)構(gòu):Buck 輸出電壓:34 V 輸出電流: 開關頻率: 工作電源電壓:4.5 V to 5.5 V 電源電流:600 uA 最大工作溫度:+ 125 C 最小工作溫度:- 40 C 封裝 / 箱體:WSON-8 封裝:Reel |
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