參數(shù)資料
型號： MAX619MJA
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Regulated 5V Charge-Pump DC-DC Converter
中文描述： SWITCHED CAPACITOR REGULATOR, 500 kHz SWITCHING FREQ-MAX, CDIP8
封裝： CERDIP-8
文件頁數(shù)： 1/7頁
文件大小： 66K
代理商： MAX619MJA
_______________General Desc ription
The MAX619 step-up charge-pump DC-DC converter
delivers a regulated 5V ±4% output at 50mA over tem-
perature. The input voltage range is 2V to 3.6V (two
battery cells).
The complete MAX619 circuit fits into less than 0.1in
2
of
board space because it requires only four external
capacitors: two 0.22
μ
F flying capacitors, and 10
μ
F
capacitors at the input and output.
Low operating supply current (150
μ
A max) and low
shutdown supply current (1
μ
A max) make this device
ideal for small, portable, and battery-powered applica-
tions. When shut down, the load is disconnected from
the input.
The MAX619 is available in 8-pin DIP and SO packages.
________________________Applic ations
Two Battery Cells to 5V Conversion
Local 3V-to-5V Conversion
Portable Instruments & Handy-Terminals
Battery-Powered Microprocessor-Based Systems
5V Flash Memory Programmer
Minimum Component DC-DC Converters
Remote Data-Acquisition Systems
Compact 5V Op-Amp Supply
Regulated 5V Supply from Lithium Backup Battery
Switching Drive Voltage for MOSFETs in
Low-Voltage Systems
__________________Pin Configuration
____________________________Features
o
Regulated 5V ±4% Charge Pump
o
Output Current Guaranteed over Temperature
20mA (V
IN
≥
2V)
50mA (V
IN
≥
3V)
o
2V to 3.6V Input Range
o
No Inductors; Very Low EMI Noise
o
Ultra-Small Application Circuit (0.1in
2
)
o
Uses Small, Inexpensive Capacitors
o
500kHz Internal Oscillator
o
Logic-Controlled 1
μ
A Max Shutdown
Supply Current
o
Shutdown Disconnects Load from Input
o
8-Pin DIP and SO Packages
_______________Ordering Information
*Dice are specified at T
A
= +25°C.
M
Regulated 5V Charge-Pump
DC-DC Converter
________________________________________________________________ Maxim Integrated Products
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800
1
1
2
3
4
8
7
6
5
C2-
MAX619
DIP/SO
C1+
IN
OUT
C2+
TOP VIEW
MAX619
OUT
C2+
C2-
IN
SHDN
C1+
C1-
INPUT
2V to 3.6V
ON/OFF
0.22
μ
F
OUTPUT
5V, 20mA
10
μ
F
10
μ
F
0.22
μ
F
GND
__________Typic al Operating Circ uit
19-0227; Rev 2; 5/96
EVALUATION KIT MANUAL
FOLLOWS DATA SHEET
PART
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
-40°C to +85°C
-40°C to +85°C
-55°C to +125°C
PIN-PACKAGE
8 Plastic DIP
8 SO
Dice*
8 Plastic DIP
8 SO
8 CERDIP
MAX619CPA
MAX619CSA
MAX619C/D
MAX619EPA
MAX619ESA
MAX619MJ A
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