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参数资料
| 型号： | MAX1701EEE |
| 厂商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 18-Bit Universal Bus Transceivers With 3-State Outputs 56-SSOP -40 to 85 |
| 中文描述： | 1.8 A SWITCHING REGULATOR, 340 kHz SWITCHING FREQ-MAX, PDSO16 |
| 封装： | 0.150 INCH, 0.025 INCH PITCH, QSOP-16 |
| 文件页数： | 8/16页 |
| 文件大小： | 248K |
| 代理商： | MAX1701EEE |
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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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1701EEE+ | 功能描述:直流/直流开关转换器 1-3 Cell 1A Step-Up DC/DC Converters RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1701EEE+T | 功能描述:直流/直流开关转换器 1-3 Cell 1A Step-Up DC/DC Converters RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1701EEE-T | 功能描述:直流/直流开关转换器 1-3 Cell 1A Step-Up DC/DC Converters RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX1701EVKIT | 功能描述:直流/直流开关转换器 Evaluation Kit for the MAX1700 MAX1701 RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT |
| MAX17020ETJ+ | 功能描述:电压模式 PWM 控制器 Quick-PWM Step-Down Controller RoHS:否 制造商:Texas Instruments 输出端数量:1 拓扑结构:Buck 输出电压:34 V 输出电流: 开关频率: 工作电源电压:4.5 V to 5.5 V 电源电流:600 uA 最大工作温度:+ 125 C 最小工作温度:- 40 C 封装 / 箱体:WSON-8 封装:Reel |
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