lt1070hv Linear Technology Corporation, lt1070hv Datasheet - Page 12
lt1070hv
Manufacturer Part Number
lt1070hv
Description
5a And 2.5a High Efficiency Switching Regulators
Manufacturer
Linear Technology Corporation
Datasheet
1.LT1070HV.pdf
(12 pages)
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
lt1070hvCQ
Manufacturer:
TI
Quantity:
50 210
Company:
Part Number:
lt1070hvCT
Manufacturer:
LT
Quantity:
5 510
Company:
Part Number:
lt1070hvCT
Manufacturer:
MAXIM
Quantity:
5 510
Part Number:
lt1070hvCT#06PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Part Number:
lt1070hvCT#PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Company:
Part Number:
lt1070hvIQ
Manufacturer:
LINEAT
Quantity:
6 892
Part Number:
lt1070hvIT#06PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
Part Number:
lt1070hvIT#PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
LT1070/LT1071
TYPICAL APPLICATIONS
RELATED PARTS
PART NUMBER
LT1074/LT1076
LT1170/LT1171/
LT1172
LT1370/LT1371
LT1374/LT1376
LT1765
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 FAX: (408) 434-0507
*REQUIRED IF INPUT LEADS 2"
20V TO 30V
+
DESCRIPTION
High Voltage Switching Regulators
100kHz High Efficiency Switching Regulators
500kHz High Efficiency Switching Regulators
100kHz High Efficiency Switching Regulators
1.25MHz, 3A, Step-Down Regulator
V
5V
IN
+
V
IN
C5*
100 F
GND
LT1070/LT1071
GND
U
LT1070
V
V
IN
IN
V
C
V
V
C
V
R3
www.linear.com
SW
FB
SW
FB
C3
(Note that maximum output currents are divided by 2 for the LT1071)
C2
0.01 F
1.5k
R4
Q1
5k
N = 0.875 = 7:8
FOR V
R4
Totally Isolated Converter
500
C3
0.47 F
OUT
Forward Converter
= 15V
D3
C2
C4
R2
•
1:N
330
R6
•
V
0V
0V
N
N
•
IN
I
•
D1
M
T1
R5
1
+
+
D4
COMMENTS
40V Input (60V for HV Versions), 100kHz, 5A and 2A
40V Input (65V for HV Versions), 5A/2.5A/1.25A Internal Switch
35V, 6A/3A Internal Switch
25V Input, 4.5A/1.5A Internal Switch
25V Input, TSSOP-16E, SO8 Package
t
OFF
N
•
C1
500 F
C4
500 F
D1
V
t
16V
OUT
ON
D2
–15V
70 H
15V
COM
L1
(N)(V
10 F
10 F
OUTPUT FILTER
L1
L2
+
OPTIONAL
IN
)
SWITCH VOLTAGE
V
(DIODE FORWARD VOLTAGE)
SECONDARY VOLTAGE
F
C1
2000 F
+
+
C5
200 F
C6
200 F
LINEAR TECHNOLOGY CORPORATION 1989
LT/CPI 0202 1.5K REV E • PRINTED IN USA
R1
3.74k
R2
1.24k
1070/71 TA18
V
5V
6A
OUT
1070/71 TA07
10701fe