OM2940-12SMPBF中文资料
3.5 - 57
3.5
4 11 R0
O ?Output Current Up To 1A ?Reverse Battery Protection ?Internal Short Circuit Protection
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Isolated Hermetic Surface Mount Package
DESCRIPTION
These three terminal fixed voltage regulators are designed to provide 1.0A with high efficiency. It has the ability to source 1A of output current with a typical dropout voltage of .5V and a maximum of 1V over the entire temperature range. It is supplied in a hermetic surface mount package and is ideally suited for Military applications where small size and high reliability are required.
ABSOLUTE MAXIMUM RATINGS @ 25°C
Input Voltage..............................................26 Vdc Output Voltag e...................................+5V, +12V, +15 Vdc Operating Junction Temperature Range...................- 55°C to + 125°C Storage Temperature Range...........................- 65°C to + 150°C Lead Temperature (Soldering 10 Seconds).........................300°C Thermal Resistance:
θJC (Isolated)............................................15°C/W Maximum Output Current .......................................1.0A OM2940-15SM OM2940-05SM OM2940-12SM
元器件交易网https://www.wendangku.net/doc/ed15900706.html,
OM2940-05SM - OM2940-15SM
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元器件交易网https://www.wendangku.net/doc/ed15900706.html,
3.5 - 58
3.5 - 59
OM2940-05SM - OM2940-15SM
3.5
E L E C T R I C A L C H A R A C T E R I S T I C S , P /N O M 2940-15S M (15 V o l t s )
-55°C ≤T A ≤125°C , V I N = 20 V , I O = 1 A , C O U T = 22 μF (u n l e s s o t h e r w i s e s p e c i f i e d ).
P a r a m e t e r S y m b o l T e s t C o n d i t i o n s N o t e s M i n .M a x .U n i t
O u t p u t V o l t a g e
V O U T
V I N = 20 V , I O U T = 5 m A
114.5515.45214.2515.75V V I N = 16.75 V , I O U T = 5 m A
114.5515.45214.2515.75V I N = 17 V , I O U T = 5 m A
114.5515.45214.2515.75V I N = 26 V , I O U T =
5 m A
114.5515.45214.2515.75
V I N = 20 V , I O U T = 1 A
114.5515.45214.2515.75V I N = 16.75 V , I O U T = 1 A
114.5515.45
214.2515.75V I N = 16.75 V , I O U T = 50 m A
114.5515.45214.2515.75V I N = 20 V , I O U T = 50 m A
114.5515.45214.2515.75
M a x i m u m L i n e T r a n s i e n t
V L T V O ≤16 V , R O = 100 , t = 20 m s
1, 240V
R e v e r s e P o l a r i t y V R I N
R O = 100 1, 2-15V
I n p u t V o l t a g e D C
R e v e r s e P o l a r i t y V R I T
R O = 100 , t =20 m s
1, 2-45
V
I n p u t V o l t a g e T r a n s i e n t Q u i e s c e n t C u r r e n t
I Q
V I N = 20 V , I O U T = 5 m A
120
m A 230
V I N = 17 V , I O U T = 5 m A
120230V I N = 26 V , I O U T = 5 m A
120230V I N = 20 V , I O U T = 1 A
1
70
2120
L i n e R e g u l a t i o n
V R L N 17 V ≤V I N ≤26 V ,
1±125m V
I O U T = 5 m A
2±350L o a d R e g u l a t i o n
V R L D
V I N = 20 V , 50 m A ≤I O U T ≤1 A
1
±200
m V
2
±400
D r o p o u t V o l t a g e
V D O
I O U T = 1 A
1
.7
V
21I O U T = 100 m A
1
150
m V
2200
O u t p u t N o i s e V o l t a g e
V O N V I N = 20 V , I O = 5 m A ,
1
1000μV r m s
10 H z - 100 H z
O u t p u t I m p e d a n c e
R O
V I N = 20 V , I O U T = 100 m A a c
1, 2
1
a n d 20 m A d c , f O = 120 H z
S h o r t C i r c u i t C u r r e n t
I O S V I N = 20 V
11.2A
2
1.0
R i p p l e R e j e c t i o n
R R
V I N = 20 V + 1 V r m s ,
1
48
d B
I O U T = 5 m A , f = 1 k H z 2
42
N o t e s :
1. T A = 25°C .
2. O v e r f u l l o p e r a t i n g t e m p e r a t u r e r a n g e .
M E C H A N I C A L O U T L I N E
P I N C O N N E C T I O N
S .M A X . 3 P L C S .
28 P L C S .
P i n 1, 15 t h r u 28:I N P i n 2, 3, 13, a n d 14:G N D P i n 4 t h r u 12:O U T
元器件交易网https://www.wendangku.net/doc/ed15900706.html,
OM2940-05SM - OM2940-15SM
3.5
TYPICAL APPLICATIONS
0.9
I n o u t - O u t p u t D i f f e r e n t i a l (V )
Output Current (mA)
Dropout Voltage
0.80.70.60.50.40.30.20
0.1 1.0D r o p o u t V o l t a g e (V )
Temperature (°C)
Dropout Voltage vs Temperature
0.90.80.70.60.50.40.30.20.10 5.10O u t p u t V o l t a g e (5V )
-40
Temperature (°C)
Output Voltage vs Temperature
0160
12040
5.085.065.045.025.004.984.964.944.924.90
80Time (μs)
Line Transient Response
O u t p u t V o l t a g e D e v i a t i o n (m V )
I n p u t V o l t a g e C h a n g e (V )
Input Voltage (V)Quiescent Current
50Q u i e s c e n t C u r r e n t (m A )
Temperature (°C)
Quiescent Current 040302010
50Q u i e s c e n t C u r r e n t (m A )
Load Current (A)
Quiescent Current
40302010095R i p p l e R e j e c t i o n (d B )
1
Frequency (Hz)
Ripple Rejection
10100k 10k 100
351k 1M
45556575850.5Time (μs)
Load Transient Response
00.40.30.20.10-0.1-0.2-0.3-0.4-0.51.00.5O u t p u t V o l t a g e D e v i a t i o n (V )
L o a d C u r r e n t C h a n g e (A )
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