LT1070HVIT Linear Technology, LT1070HVIT Datasheet - Page 12

• Manufacturer Part Number: LT1070HVIT
• Description: IC SWITCH REG 5A HI-EFF TO220-5
• Manufacturer: Linear Technology
• Type: Step-Down (Buck), Step-Up (Boost), Inverting, Cuk, Flyback, Forward Converterr

Specifications of LT1070HVIT

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 60 V
• Current - Output: 5A
• Frequency - Switching: 40kHz
• Voltage - Input: 3 ~ 60 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Through Hole
• Package / Case: TO-220-5 (Bent and Staggered Leads)
• Power - Output: 100W
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

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
[phone] FAX: [phone]
*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