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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)： | 1/16頁 |
| 文件大?。?/td> | 248K |
| 代理商： | MAX1700EEE |
General Desc ription
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.
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.
The MAX1701 evaluation kit is available to speed design
time.
Applic ations
Personal Communicators
Palmtop Computers
Hand-Held Instruments
Digital Cordless Phones
PCS Phones
Wireless Handsets
Two-Way Pagers
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)
M
1-Cell to 3-Cell, High-Power (1A),
Low-Noise, S tep-Up DC-DC Converters
________________________________________________________________ Maxim Integrated Products
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.
1
PGND
GND
FB
ONA
REF
ONB
POUT
LX
OUT
ON
INPUT
0.7V TO5.5V
OR
OFF
OFF
ON
SYNC
PWM
PFM
OUTPUT
3.3V OR ADJ
UP TO800mA
CLK/SEL
MAX1700
Pin Configurations
TOP VIEW
16
15
14
13
12
11
10
9
1
2
3
4
5
6
7
8
I.C.
I.C.
POUT
OUT
LX
PGND
FB
I.C.
I.C.
I.C. = INTERNAL CONNECTION. LEAVE OPEN OR CONNECT TOGND
Pin Configurations continued at end of data sheet.
MAX1700
QSOP
I.C.
REF
I.C.
CLK/SEL
GND
ONB
ONA
Typic al Operating Circ uit
19-4759; Rev 1; 1/99
EVALUATION KIT MANUAL
PART
MAX1700
EEE
MAX1701
EEE
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
PIN-PACKAGE
16 QSOP
16 QSOP
FOLLOWS DATA SHEET
Ordering Information
相關(guān)PDF資料 |
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(shí)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(shí)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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