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| 型号： | MAX1701EEE |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 8/16页 |
| 文件大小： | 0K |
| 描述： | IC REG BST SYNC ADJ 0.8A 16QSOP |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 100 |
| 类型： | 升压（升压） |
| 输出类型： | 可调式 |
| 输出数： | 1 |
| 输出电压： | 2.2 V ~ 5.5 V |
| 输入电压： | 0.7 V ~ 5.5 V |
| 频率 - 开关： | 300kHz |
| 电流 - 输出： | 800mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 16-SSOP（0.154"，3.90mm 宽） |
| 包装： | 管件 |
| 供应商设备封装： | 16-QSOP |
1-Cell to 3-Cell, High-Power (1A),
Low-Noise, Step-Up DC-DC Converters
Pin Description
MAX1700
PIN
MAX1701
NAME
FUNCTION
—
—
3
1
2
3
LBP
LBN
REF
Low-Battery Comparator Non-Inverting Input
Low-Battery Comparator Inverting Input
Reference Output. Bypass with a 0.22μF capacitor to GND. REF can source up to
50μA.
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
4
4
CLK/SEL
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.
5
—
7
8
—
—
5
6
7
8
9
10
GND
POK
ONB
ONA
AO
AIN
Ground
Power-Okay Comparator Output. Open drain N-channel output is low when V OUT is
10% below regulation point. No internal delay is provided.
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.
Turn ON Input. When ONA=high or ONB =low, the IC turns on.
Gain Block Output. This open-drain output sinks when V AIN <V REF .
Gain Block AIN input. When AIN is low, AO sinks current. The transconductance from
AIN to AO is 9mmhos.
DC-DC Converter Dual-Mode Feedback Input. For a fixed output voltage of +3.3V,
11
11
FB
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.
12
13
14
15
—
1, 2, 6, 9,
10, 16
12
13
14
15
16
—
PGND
LX
OUT
POUT
LBO
I.C.
Source of N-Channel Power MOSFET Switch. Connect to high-current ground path.
Drain of P-Channel Synchronous Rectifier and N-Channel Switch
Output Sense Input. Power source for the IC.
Source of P-Channel Synchronous Rectifier MOSFET Switch. Connect an external
Schottky diode from LX to POUT.
Low-Battery Comparator Output. Open-drain N-channel output is low when LBN > LBP
Input hysteresis is 15mV.
Internal Connection. Leave open or connect to GND.
8
_______________________________________________________________________________________
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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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