参数资料
型号: MAX683EUA+T
厂商: Maxim Integrated Products
文件页数: 1/12页
文件大小: 0K
描述: IC REG SWITCHED CAP 5V .1A 8UMAX
标准包装: 2,500
类型: 切换式电容器(充电泵)
输出类型: 固定
输出数: 1
输出电压: 5V
输入电压: 2.7 V ~ 5.5 V
频率 - 开关: 200kHz,1MHz
电流 - 输出: 100mA
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 8-TSSOP,8-MSOP(0.118",3.00mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-uMAX
19-0177; Rev 1; 8/98
3.3V-Input to Regulated 5V-Output
Charge Pumps
General Description
The MAX682/MAX683/MAX684 charge-pump regula-
tors generate 5V from a 2.7V to 5.5V input. They are
specifically designed to serve as high-efficiency auxil-
iary supplies in applications that demand a compact
design. The MAX682, MAX683, and MAX684 deliver
250mA, 100mA, and 50mA output current, respectively.
These complete 5V regulators require only one resistor
and three external capacitors—no inductors are need-
ed. High switching frequencies (externally adjustable
up to 2MHz) and a unique regulation scheme allow the
use of capacitors as small as 1μF per 100mA of output
current. The MAX683/MAX684 are offered in a space-
saving 8-pin μMAX package that is only 1.1mm high,
while the MAX682 is available in an 8-pin SO.
Applications
Flash Memory Supplies
Features
o Ultra-Small: 1μF Capacitors per 100mA of Output
Current
o No Inductors Required
o 1.1mm Height in μMAX Package (MAX683/MAX684)
o Up to 250mA Output Current (MAX682)
o Regulated ±4% Output Voltage
o 50kHz to 2MHz Adjustable Switching Frequency
o 2.7V to 5.5V Input Voltage
o 100μA Quiescent Current in Pulse-Skipping Mode
o 0.1μA Shutdown Current
Ordering Information
Battery-Powered Applications
Miniature Equipment
PCMCIA Cards
3.3V to 5V Local Conversion Applications
PART
MAX682 ESA
MAX683 EUA
MAX684 EUA
TEMP. RANGE
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
PIN-PACKAGE
8 SO
8 μMAX
8 μMAX
Backup-Battery Boost Converters
3V to 5V GSM SIMM Cards
Typical Operating Circuit
TOP VIEW
Pin Configurations
CXN
CXP
SKIP 1
8
OUT
SKIP 1
8
OUT
INPUT
2.7V TO 5.5V
IN
MAX682
OUT
OUTPUT
5V/250mA
SHDN
2
MAX682
7
CXP
SHDN
2
MAX683
7
CXP
R EXT
SKIP
IN
3
6
CXN
IN
3
MAX684
6
CXN
SHDN
GND 4
5
PGND
GND 4
5
PGND
GND
PGND
SO
μ MAX
________________________________________________________________ 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 408-737-7600 ext. 3468.
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