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參數(shù)資料
| 型號： | MAX1700EEE |
| 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 1A, Low-Noise, Step-Up DC-DC Converters |
| 中文描述： | 1.8 A SWITCHING REGULATOR, 340 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封裝： | 0.150 INCH, 0.025 INCH PITCH, QSOP-16 |
| 文件頁數(shù)： | 8/16頁 |
| 文件大?。?/td> | 248K |
| 代理商： | MAX1700EEE |
M
1-Cell to 3-Cell, High-Power (1A),
Low-Noise, S tep-Up DC-DC Converters
8
_______________________________________________________________________________________
Pin Desc ription
1
Low-Battery Comparator Non-Inverting Input
LBP
—
2
Low-Battery Comparator Inverting Input
LBN
—
3
Reference Output. Bypass with a 0.22μF capacitor to GND. REF can source up to
50μA.
REF
3
4
Switching-Mode Selection and External-Clock Synchronization Inputs.
CLK/SEL=Low: Low-power, delivers up to 10% of full load current.
CLK/SEL=High: High-power PWM mode. Full output power available. Operates in
low-noise, constant-frequency mode.
CLK/SEL=External Clock: High-power PWM mode with the internal oscillator
synchronized to the external clock.
Turning on with CLK/SEL=0V also serves as a soft-start function since peak inductor
current is limited to 25% of that allowed in PWM mode.
CLK/SEL
4
5
Ground
GND
5
6
Power-Okay Comparator Output. Open drain N-channel output is low when V
OUT
is
10% below regulation point. No internal delay is provided.
POK
—
7
Shutdown Input. When
ONB
=high and ONA=low, the IC is off and the load is connect-
ed to the battery through the Schottky diode.
ONB
7
8
Turn ON Input. When ONA=high or
ONB
=low, the IC turns on.
ONA
8
9
Gain Block Output. This open-drain output sinks when V
AIN
<V
REF
.
AO
—
10
Gain Block AIN input. When AIN is low, AO sinks current. The transconductance from
AIN to AO is 9mmhos.
AIN
—
11
DC-DC Converter Dual-Mode Feedback Input. For a fixed output voltage of +3.3V,
connect FB to GND. For adjustable output, connect a divider between POUT and GND
to set the output voltage in the range of 2.5V to 5V.
FB
11
12
Source of N-Channel Power MOSFET Switch. Connect to high-current ground path.
PGND
12
13
Drain of P-Channel Synchronous Rectifier and N-Channel Switch
LX
13
14
Output Sense Input. Power source for the IC.
OUT
14
15
Source of P-Channel Synchronous Rectifier MOSFET Switch. Connect an external
Schottky diode from LX to POUT.
POUT
15
16
Low-Battery Comparator Output. Open-drain N-channel output is low when LBN > LBP
Input hysteresis is 15mV.
LBO
—
PIN
MAX1701
MAX1700
FUNCTION
NAME
—
Internal Connection. Leave open or connect to GND.
I.C.
1, 2, 6, 9,
10, 16
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PDF描述 |
|---|---|
| MAX1701EEE | 18-Bit Universal Bus Transceivers With 3-State Outputs 56-SSOP -40 to 85 |
| MAX1702B | Triple-Output Power-Management IC for Microprocessor-Based Systems |
| MAX1702BEGX | Triple-Output Power-Management IC for Microprocessor-Based Systems |
| MAX1703 | 1-Cell to 3-Cell, High-Power 1.5A, Low-Noise, Step-Up DC-DC Converter |
| MAX1703ESE | 1-Cell to 3-Cell, High-Power 1.5A, Low-Noise, Step-Up DC-DC Converter |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX1700EEE+ | 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 |
| MAX1700EEE+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 |
| MAX1700EEE-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 |
| MAX17010AETL+ | 功能描述:LCD 驅(qū)動器 Internal-Switch Boost Regulator RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
| MAX17010AETL+T | 功能描述:LCD 驅(qū)動器 Internal-Switch Boost Regulator RoHS:否 制造商:Maxim Integrated 數(shù)位數(shù)量:4.5 片段數(shù)量:30 最大時鐘頻率:19 KHz 工作電源電壓:3 V to 3.6 V 最大工作溫度:+ 85 C 最小工作溫度:- 20 C 封裝 / 箱體:PDIP-40 封裝:Tube |
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