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LT1070HVIT Datasheet(PDF) 10 Page - Linear Technology

Part # LT1070HVIT
Description  5A and 2.5A High Efficiency Switching Regulators
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT1070HVIT Datasheet(HTML) 10 Page - Linear Technology

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10
LT1070/LT1071
10701fe
TYPICAL APPLICATIONS (Note that maximum output currents are divided by 2 for the LT1071)
Current Boosted Boost Converter
+
R4
1070/71 TA11
R3
R2
1.24k
R1
27k
C2
C3
I
N
C1
VOUT
28V
4A
D2
D1
VSW
VC
VIN
LT1070
GND
VIN
16V TO 24V
FB
+
R1
27k
RO
(MINIMUM
LOAD)
R2
1.24k
1070/71 TA15
R3
3.3k
C2
0.22
µF
C3
10
µF
+
+
C1
1000
µF
+
C4*
470
µF
VIN
–15V
VOUT
–28V
1A
L1
200
µH
D2
D1
VSW
VC
VIN
LT1070
GND
FB
*REQUIRED IF INPUT LEADS
≥ 2"
+
R4
680
Ω
1W
1070/71 TA10
1
L1
N = 5
TOTAL
INDUCTANCE = 4mH
INTERLEAVE PRIMARY
AND SECONDARY FOR
LOW LEAKAGE
INDUCTANCE
R3
10k
R2
1.24k
R1
98k
C2
0.047
µF
C3
0.68
µF
C1
200
µF
VOUT
100V
300mA
D2
D1
VSW
VC
VIN
LT1070
GND
VIN
15V
FB
+
Voltage Boosted Boost Converter
Negative Boost Regulator
Negative Input/Negative Output Flyback Converter
+
R5
R4
1.24k
C2
VSW
Q1
2N3906
•
•
VIN
C3
C1
–VOUT
1070/71 TA17
R6
R1*
T1
1:N
LT1070/LT1071
GND
VC
FB
–VIN
R3
1k
R2
5k
+
*R1 =
VOUT – 1.6V
200
µA
External Current Limit
External Current Limit
1070/71 TA04
LT1070/LT1071
VC
GND
D1
VX
R1
500
Ω
R2
= 2V
1070/71 TA06
R2
VIN
R1
1k
C2
C1
1000pF
NOTE THAT THE LT1070/LT1071
GND PIN IS NO LONGER COMMON
TO VIN
–
VSW
VC
RS
VIN
LT1070/LT1071
GND
FB
+
Q1


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