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| 型号： | MAX1701EEE |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 1/16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 |
19-4759; Rev 1; 1/99
N KIT M
TA SHE
LUATIO ET
WS DA
EVA
FOLLO
ANUAL
1-Cell to 3-Cell, High-Power (1A),
Low-Noise, Step-Up DC-DC Converters
General Description
The MAX1700/MAX1701 are high-efficiency, low-noise,
step-up DC-DC converters intended for use in battery-
powered wireless applications. They use a synchro-
nous-rectified pulse-width-modulation (PWM) boost
topology to generate 2.5V to 5.5V outputs from battery
inputs such as one to three NiCd/NiMH cells or one Li-
Ion cell. Both devices have an internal 1A, 130m ? N-
channel MOSFET switch and a 250m ? P-channel
synchronous rectifier.
With their internal synchronous rectifier, the MAX1700/
MAX1701 deliver 5% better efficiency than similar non-
synchronous converters. They also feature a pulse-
frequency-modulation (PFM) standby mode to improve
efficiency at light loads, and a 3μA shutdown mode.
The MAX1700/MAX1701 come in 16-pin QSOP pack-
ages (which occupy the same space as an 8-pin SO).
The MAX1701 includes two comparators to generate
power-good and low-battery warning outputs. It also
contains a gain block that can be used to build a linear
regulator using an external P-channel pass device.
Features
o Up to 96% Efficiency
o 1.1 V IN Guaranteed Start-Up
o 0.7V to 5.5V Input Range
o Up to 800mA Output
o Step-Up Output (adjustable from 2.5V to 5.5V)
o PWM/PFM Synchronous-Rectified Topology
o External Clock or Internal 300kHz Oscillator
o 3μA Logic-Controlled Shutdown
o Power-Good Output (MAX1701)
o Low-Battery Comparator (MAX1701)
o Uncommitted Gain Block (MAX1701)
Ordering Information
For higher-power outputs, refer to the MAX1703. For
dual outputs (step-up and linear regulator), refer to the
MAX1705/MAX1706. For an on-board analog-to-digital
converter, refer to the MAX848/MAX849.
PART
MAX1700 EEE
MAX1701 EEE
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
16 QSOP
16 QSOP
The MAX1701 evaluation kit is available to speed design
time.
Applications
Typical Operating Circuit
Digital Cordless Phones
Personal Communicators
PCS Phones
Wireless Handsets
Two-Way Pagers
Palmtop Computers
Hand-Held Instruments
Pin Configurations
INPUT
0.7V TO 5.5V
OUTPUT
3.3V OR ADJ
TOP VIEW
I.C. 1
16 I.C.
ON
OFF
OFF
ON
MAX1700
ONA
ONB
LX
UP TO 800mA
I.C. 2
15 POUT
REF 3
14 OUT
PWM
PFM
OR
SYNC
CLK/SEL
POUT
CLK/SEL 4
GND 5
MAX1700
13 LX
12 PGND
I.C. 6
ONB 7
ONA 8
11 FB
10 I.C.
9
I.C.
REF
FB
OUT
GND PGND
QSOP
I.C. = INTERNAL CONNECTION. LEAVE OPEN OR CONNECT TO GND
Pin Configurations continued at end of data sheet.
________________________________________________________________ Maxim Integrated Products
1
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
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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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