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參數(shù)資料
| 型號： | IP137ASMD1 |
| 廠商： | SEMELAB LTD |
| 元件分類： | 可調(diào)負(fù)電壓單路輸出標(biāo)準(zhǔn)穩(wěn)壓器 |
| 英文描述： | 1.25 V-40 V ADJUSTABLE NEGATIVE REGULATOR, CBCC3 |
| 封裝： | CERAMIC, TO-276AB, 3 PIN |
| 文件頁數(shù)： | 4/4頁 |
| 文件大?。?/td> | 45K |
| 代理商： | IP137ASMD1 |
Document Number 2831
Issue 3
IP137A SERIES
IP137A SERIES
IP337A SERIES
IP337A SERIES
LM137A SERIES
LM137A SERIES
Semelab plc. Telephone +44(0)1455 556565. Fax +44(0)1455 552612.
E-mail: sales@semelab.co.uk
Website: http://www.semelab.co.uk
Semelab Plc reserves the right to change test conditions, parameter limits and package dimensions without notice. Information furnished by Semelab is believed
to be both accurate and reliable at the time of going to press. However Semelab assumes no responsibility for any errors or omissions discovered in its use.
Semelab encourages customers to verify that datasheets are current before placing orders.
R3
1. 5k
1%
AD J
IP337A
V
IN
V
OU T
R1
1k
1%
R2
1
F
–VOUT
SO LID
TA NT A LUM
7V
*
–VIN
* R2 =
(
)
VOUT
9.08 x 10 -3
– 908
C3
10
F
R2
AD J
IP137A
V
IN
V
OU T
1N4 0 02
R1
120
–VIN
AD J
IP137A
VIN
VOUT
1N4 0 02
2
F
C1
1
F
SO LID
TANTA LUM
–VOUT1
REG #1
2
F
REG #2
1
F
SO LID
TA NTA LU M
OUT2
–V
AD J
IP 137A
V
IN
V
OU T
1N4 0 02
2
F
REG #N
1
F
SO LID
TA NTA LU M
OUT N
–V
AD J
IP3 37A
VIN
VOUT
D2
1N 40 02
–VOUT
IN
–V
R5* *
100
1%
R3
5k
10
F
V
IN
V
OU T
AD J
IP3 17A
R1* *
100
1%
10
F
2. 2
F
2. 2
F
D1
1N 40 02
IN
+V
OUT
R2
5k
1%
R4
5k
1%
AD J
VIN
VOUT
(–)
I
(+)
C1
1
F
SO LID
TA NA TALU M
IP 337A
R S
0.8
≤
≤ 250
RS
I = 65
A + 1.25 V
RS
Current Regulator
Dual Tracking Supply
APPLICATIONS INFORMATION
High Stability Regulator
The output stability, load regulation, line regulation, thermal
regulation, temperature drift, long term drift, and noise, can be
improved by a factor of 6.6 over the standard regulator
configuration. This assumes a zener has 20PPM/°C maximum
drift and about 10 times lower noise than the regulator.
Multiple Tracking Regulators
In the application shown below, regulator #2 to “N” will track
regulator #1 to within ±24mV initially, and to ±60mV over all load,
line, and temperature conditions.
If any regulator output is shorted to ground, all other
outputs will drop to -2V. Load regulation of regulators 2 to “N” will
be improved by VOUT / 1.25V compared to a standard regulator,
so regulator #1 should be the one which has the lowest load
current.
* Solid Tantalum
** R1 or R5 may be trimmed slightly to improve tracking.
IG–Pack
Part
G–Pack
K–Pack R–Pack T–Pack
Temp.
Number
(TO257) SMD1
SMD05 LCC4
(TO3)
(TO66)
(TO220)
Range
LM137
-55 to +150°C
LM137HV
”
LM137A
”
LM137AHV
”
IP137
“
IP137HV
”
IP137A
”
IP137AHV
”
LM337
0 to 125°C
LM337HV
”
IP337
”
IP337HV
”
IP337A
”
IP337AHV
”
Order Information
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