參數(shù)資料
型號： 722
廠商： Texas Instruments, Inc.
英文描述： Dual Isolated DC/DC Converter(雙路隔離DC/DC變換器)
中文描述： 雙隔離式DC / DC轉(zhuǎn)換器（雙路隔離的DC / DC變換器）
文件頁數(shù)： 2/5頁
文件大小： 84K
代理商： 722
2
722
722
722BG
722MG
PARAMETER
CONDITIONS
MIN
TYP
MAX
MIN
TYP
MAX
MIN
TYP
MAX
UNITS
INPUT
Rated Input Voltage
Input Voltage Range
(1)
Input Current
15
*
*
VDC
VDC
mA
mA
5
16
*
*
*
*
Total Output Current = 12mA
Total Output Current = 64mA
Total Output Current = 64mA
at T
A
= +85
°
C
Total Output Current = 160mA
Total Output Current = 12mA
Total Output Current = 64mA
Total Output Current = 160mA
50
105
*
*
*
*
120
*
*
120
—
3
6
—
*
*
mA
mA
—
225
*
*
12
275
—
*
*
—
—
Input Ripple
(2)
mA, pk
mA, pk
mA, pk
ISOLATION
Test Voltages
Input-to-Output, 5 seconds, min
Input-to-Output, 1 minute, min
Channel-to-Channel, 5 seconds, min
Input-to-Output, continuous
Channel-to-Channel, continuous
Input-to-Output
Input-to-Output, 240V, 60Hz
8000
—
5000
3500
2000
*
*
Vpk
Vrms
Vpk
V
V
G
|| pF
μ
A
—
*
*
*
2500
*
*
*
Rated Voltages
*
Isolation Impedance
Leakage Current
(3)
10 || 6
*
*
1
*
*
OUTPUT
Rated Output Voltages
(4)
I
LOAD
= 3mA per Output
I
LOAD
= 16mA per Output
I
LOAD
= 40mA per Output
Total of All Outputs
Any One Output
(5)
15.4
14.3
—
16.2
16.2
—
200
100
*
*
*
*
*
*
*
*
VDC
VDC
VDC
mA
mA
—
13.7
14.2
16.2
*
*
—
—
—
*
*
Output Current
3
*
*
Load Regulation
Ripple Voltage
(5)
15
35
—
*
*
*
*
*
*
*
*
I
LOAD
= 3mA per Output
I
LOAD
= 16mA per Output
I
LOAD
= 40mA per Output
Balanced Loads
mVpk
mVpk
mVpk
mVDC
100
*
*
50
*
Tracking Error between
Dual Outputs
Sensitivity to Input
Voltage Changes
Output Voltage Temperature
Coefficient
±
100
1.13
±
0.02
*
*
*
*
V/V
%/
°
C
T
A
= T
SPECIFICATION RANGE
TEMPERATURE
Specification
I
LOAD
≤
16mA per Output
I
LOAD
≤
40mA per Output
–25
–25
–55
+85
+60
+125
+125
*
*
*
*
*
*
*
*
*
*
*
*
*
*
°
C
°
C
°
C
°
C
Storage
Junction Temperature
*Specifications same as 722.
NOTES: (1) For ambient temperature above +70
°
C the input voltage is 12.5V (max). The input voltage remains 16V (max) if case temperature is kept below +85
°
C.
(2) External capacitor across “P+” to “V–” pins and 12" of #24 wire to V
IN
. (3) Reference UL544, paragraph 27.5, Leakage Current. (4) See “Typical Performance Curves.”
(5) A minimum output current of 3mA at each output is recommended to maintain output voltage accuracy.
SPECIFICATIONS
ELECTRICAL
T
A
= +25
°
C, V
IN
= 15VDC, C = 0.47
μ
F, R
1
selected per Typical Performance Curve.
The information provided herein is believed to be reliable; however, BURR-BROWN assumes no responsibility for inaccuracies or omissions. BURR-BROWN assumes
no responsibility for the use of this information, and all use of such information shall be entirely at the user’s own risk. Prices and specifications are subject to change
without notice. No patent rights or licenses to any of the circuits described herein are implied or granted to any third party. BURR-BROWN does not authorize or warrant
any BURR-BROWN product for use in life support devices and/or systems.
PACKAGE INFORMATION
(1)
PACKAGE DRAWING
NUMBER
MODEL
PACKAGE
722
20-Pin
102A
NOTE: (1) For detailed drawing and dimension table, please see end of data
sheet, or Appendix D of Burr-Brown IC Data Book.
ORDERING INFORMATION
MODEL
PACKAGE
TEMPERATURE RANGE
(1)
722
722BG
722MG
20-Pin
20-Pin
20-Pin
–25
°
C to +85
°
C
–25
°
C to +85
°
C
–25
°
C to +85
°
C
NOTE: (1) –25
°
C to +60
°
C for I
LOAD
≤
40mA per Output.
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