LT1171HVCQ#PBF Linear Technology, LT1171HVCQ#PBF Datasheet - Page 24
![IC SWTCHNG REGULATOR HI-EFF 5-DD](/photos/7/55/75544/161-5-dd_sml.jpg)
LT1171HVCQ#PBF
Manufacturer Part Number
LT1171HVCQ#PBF
Description
IC SWTCHNG REGULATOR HI-EFF 5-DD
Manufacturer
Linear Technology
Type
Step-Down (Buck), Step-Up (Boost), Inverting, Cuk, Flyback, Forward Converterr
Datasheet
1.LT1172CN8PBF.pdf
(24 pages)
Specifications of LT1171HVCQ#PBF
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
1.25 ~ 60 V
Current - Output
2.5A
Frequency - Switching
100kHz
Voltage - Input
3 ~ 60 V
Operating Temperature
0°C ~ 100°C
Mounting Type
Surface Mount
Package / Case
D²Pak, TO-263 (5 leads + tab)
Power - Output
100W
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
LT1170/LT1171/LT1172
TYPICAL APPLICATION
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24
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
100μF
C5*
DESCRIPTION
5.5A/2A Step-Down Switching Regulators
1A, High Voltage, High Efficiency Switching Regulator
7.5A, 150kHz Switching Regulators
4A High Efficiency Switching Regulators
8A and 10A High Efficiency Switching Regulators
500kHz High Efficiency 6A Switching Regulator
500kHz High Efficiency 3A Switching Regulator
500kHz and 1MHz High Efficiency 1.5A Switching Regulators
250kHz Low Supply Current High Efficiency 1.5A Switching Regulator
4A, 500kHz Step-Down Switching Regulator
1.5A, 500kHz Step-Down Switching Regulators
Isolated Flyback Switching Regulator
500kHz Monolithic Buck Mode Switching Regulator
Ultralow Noise 1A Switching Regulator
●
+
FAX: (408) 434-0507
28V
V
IN
* REQUIRED IF INPUT LEADS ≥ 2"
GND
LT1170
V
IN
●
www.linear.com
V
C
Positive Current Boosted Buck Converter
V
R3
680Ω
SW
FB
C1
0.33 μ F
470Ω
2W
D2
C4
0.01 μ F
R7
1k
6
C3
0.47 μ F
200pF
4
0.002 μ F
V
LM308
IN
7
C6
8
1.24k
–
+
R2
1.24k
R4
2
3
R6
470Ω
N ≈ 0.25
R5
5k
COMMENTS
40kHz, V
100kHz, Also for Positive-to-Negative Conversion
V
V
100kHz/60kHz, V
60kHz, V
High Power Boost, Flyback, SEPIC
Good for Boost, Flyback, Inverting, SEPIC
Directly Regulates ±V
Low 1mA Quiescent Current
Synchronizable, V
Up to 1.25A Out from an SO-8
6W Output, ±5% Regulation, No Optocoupler Needed
1.5A Switch, Good for 5V to 3.3V
Push-Pull, <100μV
1: N
IN
IN
to 75V, V
to 30V, V
R1
5k
IN
IN
to 60V, V
to 30V, V
+
SW
SW
to 100V, Telecom
to 60V
© LINEAR TECHNOLOGY CORPORATION 1991
IN
D1
C2
5000μF
IN
P-P
to 30V, V
SW
SW
1170/1/2 TA18
to 25V
OUT
Output Noise
to 75V
to 60V
V
5V, 10A
OUT
LT 0410 REV G • PRINTED IN USA
SW
to 60V
117012fg