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參數(shù)資料
| 型號： | LT1070CT |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | Dual 1-of-4 Data Selectors/Multiplexers 16-PDIP 0 to 70 |
| 中文描述： | 11 A SWITCHING REGULATOR, 47 kHz SWITCHING FREQ-MAX, PZFM5 |
| 封裝： | PLASTIC, TO-220, 5 PIN |
| 文件頁數(shù)： | 11/12頁 |
| 文件大小： | 314K |
| 代理商： | LT1070CT |
11
LT1070/LT1071
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
TYPICAL APPLICATIO
N
S
(Note that maximum output currents are divided by 2 for the LT1071)
T5 (TO-220) 0398
0.028 – 0.038
(0.711 – 0.965)
0.057 – 0.077
(1.448 – 1.956)
0.135 – 0.165
(3.429 – 4.191)
0.700 – 0.728
(17.78 – 18.491)
0.045 – 0.055
(1.143 – 1.397)
0.095 – 0.115
(2.413 – 2.921)
0.013 – 0.023
(0.330 – 0.584)
0.155 – 0.195
(3.937 – 4.953)
0.620
(15.75)
TYP
0.152 – 0.202
(3.861 – 5.131)
0.260 – 0.320
(6.60 – 8.13)
0.165 – 0.180
(4.191 – 4.572)
0.147 – 0.155
(3.734 – 3.937)
DIA
0.390 – 0.415
(9.906 – 10.541)
0.330 – 0.370
(8.382 – 9.398)
0.460 – 0.500
(11.684 – 12.700)
0.570 – 0.620
(14.478 – 15.748)
0.230 – 0.270
(5.842 – 6.858)
K4(TO-3) 0695
72
°
18
°
0.495 – 0.525
(12.57 – 13.34)
R
0.470 TP
P.C.D.
0.167 – 0.177
(4.24 – 4.49)
R
0.151 – 0.161
(3.84 – 4.09)
DIA 2 PLC
0.655 – 0.675
(16.64 – 19.05)
1.177 – 1.197
(29.90 – 30.40)
0.038 – 0.043
(0.965 – 1.09)
0.060 – 0.135
(1.524 – 3.429)
0.320 – 0.350
(8.13 – 8.89)
0.420 – 0.480
(10.67 – 12.19)
0.760 – 0.775
(19.30 – 19.69)
Flyback Converter
1070/71 TA08
*REQUIRED IF INPUT LEADS
≥
2"
a
b
V
SNUB
C2
0.15
μ
F
R3
1.5k
R1
3.74k
R2
1.24k
C4*
100
μ
F
V
IN
20V TO 30V
V
OUT
5V
6A
V
SW
V
C
V
IN
LT1070
GND
FB
C3
0.47
μ
F
C1
2000
μ
F
D2
D1
R4
1 N
+
+
PRIMARY FLYBACK VOLTAGE =
LT1070/LT1071 SWITCH VOLTAGE
AREA “a” = AREA “b” TO MAINTAIN
ZERO DC VOLTS ACROSS PRIMARY
SECONDARY VOLTAGE
AREA “c” = AREA “d” TO MAINTAIN
ZERO DC VOLTS ACROSS SECONDARY
PRIMARY CURRENT
V
OUT
+ V
F
N
0V
V
IN
CLAMP TURN-ON
SPIKE
C4
200
μ
F
L2
10
μ
H
OPTIONAL
FILTER
c
I
d
V
OUT
+ V
F
(N)(V
IN
)
I
PRI
0V
0
LT1070 SWITCH CURRENT
SNUBBER DIODE CURRENT
I
PRI
I
PRI
t = (I
PRI
)(L
L
)
V
SNUB
SECONDARY CURRENT
I
PRI
N
0
0
N = 1/3
PACKAGE DESCRIPTIO
N
U
Dimensions in inches (millimeters) unless otherwise noted.
T Package
5-Lead Plastic TO-220 (Standard)
(LTC DWG # 05-08-1421)
K Package
4-Lead TO-3 Metal Can
(LTC DWG # 05-08-1311)
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