LT1245CN8 Linear Technology, LT1245CN8 Datasheet - Page 16
![IC PWM CURRNT MODE HI-SPEED 8DIP](/photos/6/59/65955/161-8-dip_sml.jpg)
LT1245CN8
Manufacturer Part Number
LT1245CN8
Description
IC PWM CURRNT MODE HI-SPEED 8DIP
Manufacturer
Linear Technology
Datasheet
1.LT1245IN8.pdf
(16 pages)
Specifications of LT1245CN8
Pwm Type
Current Mode
Number Of Outputs
1
Frequency - Max
500kHz
Duty Cycle
48%
Voltage - Supply
8.2 V ~ 25 V
Buck
Yes
Boost
No
Flyback
No
Inverting
No
Doubler
No
Divider
No
Cuk
No
Isolated
Yes
Operating Temperature
0°C ~ 100°C
Package / Case
8-DIP (0.300", 7.62mm)
Frequency-max
500kHz
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
LT1245CN8
Manufacturer:
LT
Quantity:
5 510
Company:
Part Number:
LT1245CN8
Manufacturer:
LT
Quantity:
5 510
Part Number:
LT1245CN8#PBF
Manufacturer:
LINEAR/凌特
Quantity:
20 000
LT1241 Series
TYPICAL
RELATED PARTS
PART NUMBER
LT1246
LT1248/LT1249
LT1372
LT1376
LT1509
16
V OUT
TO
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417 (408) 432-1900
FAX: (408) 434-0507 TELEX: 499-3977 www.linear-tech.com
R
SLOPE
APPLICATION
R
DESCRIPTION
1MHz Current Mode PWM
Power Factor Controllers
High Efficiency Switching Regulator
1.5A 500kHz Step-Down Switching Regulator
Power Factor and PWM Controller
T
C
T
R
f
COMP
R
V
T /
FB
REF
8
4
1
2
C
T
U
2.5V
–
+
Slope Compensation at Error Amp
1mA
5.6V
OSCILLATOR
2R
R
MAIN BIAS
5V REF
COMMENTS
16V Start-Up Threshold, 10V Minimum Operating Voltage
Minimal Parts Count
500kHz 1.5A Boost Regulator
Steps Down from Up to 25V Using 4.7 H Inductors
Complete Solution for Universal Off-Line Switching Power Supplies
1V
–
+
REFERENCE PULL-DOWN
REFERENCE ENABLE
BLANKING
T
R
S
1.5V
1241fa LT/TP 0297 5K REV A • PRINTED IN USA
PULL-DOWN
+
–
LINEAR TECHNOLOGY CORPORATION 1992
OUTPUT
LOCKOUT
UV
18V
LT1241 • TA05
OUTPUT
I
SENSE
GND
V
CC
7
6
5
3