:
2016.
1.
. 1.
. 1.
(. 1) . , . . 1/3 , , , . , , .
, Xa. - . , m- , m=3 m=6, .
a , . 1, ., . Xd Xa Rd. . 1, . Xd =0. a . Xd Xa ( 1, ). . 1, . - ( ). , ( g=0). . 1, .
, , g Xd Xa.
- , l ,
m- Ed a= const Id (.2.)
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. 2.
. 3.
.
m=3
.
, , Id =0.
Ed = f(a) a (.3)
2.
MC34063 . , . , .
MC34063:
: 3 40 ;
: 1,5 ;
;
100 ;
: 2%;
;
.
. 4.
:
- SWC (switch collector) -
- SWE (switch emitter) -
- Tc (timing capacitor) -
- GND -
- CII (comparator inverting input) -
- Vcc -
- Ipk -
- DRC (driver collector) - ( ).
:
:
Ct . Ipk . .
Rsc . . ( 1 ) .
Lmin . , .
Co . , LOW ESR . , LC . .
R1, R2 . , .
(ultrafast) ( 1N5817) 2 .
40 , Ipk 1.5.
Ct=212 pF
Ipk=2 mA
Rsc=176.471 Ohm
Lmin=57637 uH
Co=0 uF
R1=2.7k R2=20k (10.51V)
3.
. 5. | . 6. |
, U () U. , , :
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U = = 1.8
k=1.25 - ;
k=1.5 - .
, :
Iv = λ * I/3,
Iv = 2,8 * 40/3 =37.3
142-63 241-80.
.
:
L = LΣ - L - L,
:
LΣ ≥ ee* E/(i* I Ω),
Ω= Ωc m n, ee* 0,23.
LΣ ≥ 0,23 400/(0,02 40 0,23)
LΣ ≥ 500
:
L = 0,14 * L,
L = 0,14 * 2 * 10-3 = 0,283 * 10-3,
L - ;
L - , 210-3 .
L = 310-3
: P1 = 1,35
:
P2 = 1,05
:
= IE
= 40400 = 16
:
P = 1,3516000 21,6
P = 1,0516000 = 16,8
, m | q = = 2/(m2 1) | |||||
, | , U max/ | , VId | , | |||
1,17 | 2,09 | 0,585 | 1,37 | 0,25 | ||
2,34 | 1,045 | 0,817 | 1,05 | 0,057 | ||
. I2 . |
4.
: | |
48V | |
7A | |
0-7A | |
336W | |
250mVp-p | |
40.8 - 55.2V | |
1.0% | |
0.2% | |
0.5% | |
, | 1000ms, 50ms/230VAC 2500ms, 50ms/115VAC at full load |
16ms/230VAC 16ms/115VAC at full load | |
: | |
85 ~ 264VAC 120 ~ 370VDC | |
47 ~ 63Hz | |
89% | |
3.5A/115VAC 1.8A/230VAC | |
l/P-0/P:3KVAC l/P-FG:2KVAC O/P-FG:0.5KVAC | |
35A/115VAC 70A/230VAC | |
PF>0.95/230VAC PF>0.99/115VAC at full load |
: | |
57.6-67.2V / Shut down o/p voltage, re-power on to recover | |
105- 135% rated output power / i: Constant current limiting, recovers automatically after fault condition is removed | |
: | |
RC+ / RC-: 4 ~ 10V or open = power on; 0 ~ 0.8V or short = power off |
. : | |
-40 - +70C | |
20 - 90% RH non-condensing | |
0.03%/℃(0 ~ 50℃) | |
10 - 500Hz, 5G 10min./1 cycle, 60min. each along X, Y, Zaxes | |
- | -40 - +85C,10- 95% RH |
: | |
UL60950-1, TUV EN60950-1 approved | |
l/P-O/P, l/P-FG, 0/P-FG:100M Ohms / 500VDC / 25C / 70% RH | |
Compliance to EN55022 (CISPR22) Class B, EN61000-3-2,-3 | |
Compliance to EN61000-4-2,3,4,5,6,8,11, EN55024, EN61000-6-2, heavy industry level, criteria A |
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MTBF ( ) | 176K hrs min. MIL-HDBK-217F (25℃) |
199*105*41mm (L*W*H) | |
0.95Kg;15pcs/15.3Kg/0.69CUFT |
:
, , , : , . :
( ),
( ),
( ).
, , , .
( ), 20-100 , ( 50% ) . . , 1/2LI^2 . ( , , ), . ( ).
, , . , , , , . (.. ) ( ). , . . . , , , , ( ), ( ). : , , ( ), , " " ( . , ). , .
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