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參數(shù)資料
| 型號： | 722G |
| 英文描述： | DUAL ISOLATED DC/DC CONVERTER |
| 中文描述： | 雙隔離式DC / DC變換器 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 157K |
| 代理商： | 722G |
722
SBVS016A - SEPTEMBER 1978 – REVISED JANUARY 2003
www.ti.com
DESCRIPTION
The 722 converts a single 5V
DC
to 16V
DC
input into a pair of
bipolar output voltages of the same value as the input
voltage. The converter is capable of providing a total output
current of 64mA at rated voltage accuracy and up to 200mA
without damage.
The two output channels are isolated from the input and from
each other. They may be connected independently, in series
for higher output voltage or in parallel for higher output
current, as a single channel isolated DC/DC converter.
Integrated circuit construction of the 722 reduces size and
cost. High isolation breakdown voltages and low leakage
currents are assured by special design and construction that
includes use of a high dielectric strength, low leakage coating
used on the internal assembly.
A self-contained 900kHz oscillator drives switching circuitry,
which is designed to eliminate the common problem of input
current spiking due to transformer saturation or crossover
switching.
FEATURES
G
DUAL ISOLATED
±
5V TO
±
16V OUTPUTS
G
HIGH BREAKDOWN VOLTAGE: 8000V Test
G
LOW LEAKAGE CURRENT:
< 1
μ
A at 240V/60Hz
G
LOW COST PER ISOLATED CHANNEL
G
SMALL SIZE: 27.9mm x 27.9mm x 7.6mm
(1.1" x 1.1"
x 0.3")
APPLICATIONS
G
MEDICAL EQUIPMENT
G
INDUSTRIAL PROCESS CONTROL
G
TEST EQUIPMENT
G
DATA ACQUISITION SYSTEMS
G
NUCLEAR INSTRUMENTATION
PRODUCTION DATA information is current as of publication date.
Products conform to specifications per the terms of Texas Instruments
standard warranty. Production processing does not necessarily include
testing of all parameters.
Copyright 2003, Texas Instruments Incorporated
DUAL ISOLATED DC/DC CONVERTER
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.
Oscillator
and
Switch
Drivers
+V
O1
C
1
–
V
O1
P+
E
11
18
20
V+
V
–
16
1
2
3
Rectifiers
and
Filters
+V
O2
C
2
–
V
O2
10
9
8
Rectifiers
and
Filters
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