LT1247CS8 Linear Technology, LT1247CS8 Datasheet - Page 12

• Manufacturer Part Number: LT1247CS8
• Description: IC PWM CURRENT MODE 1MHZ 8SOIC
• Manufacturer: Linear Technology

Specifications of LT1247CS8

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 1MHz
• Duty Cycle: 100%
• 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-SOIC (3.9mm Width)
• Frequency-max: 1MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

PACKAGE DESCRIPTIO
RELATED PARTS
LT1246/LT1247
PART NUMBER
LT1105
LT1170/LT1171/LT1172
LT1241-5
LT1248/LT1249
LT1372
LT1376
LT1377
LT1431
12
(0.203 – 0.254)
0.008 – 0.010
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.006 INCH (0.15mm).
*THESE DIMENSIONS DO NOT INCLUDE MOLD FLASH OR PROTRUSIONS.
MOLD FLASH OR PROTURSIONS SHALL NOT EXCEED 0.010 INCH (0.254mm).
(0.254 – 0.508)
0.010 – 0.020
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7487
[phone]
(7.620 – 8.255)
(0.229 – 0.381)
0.300 – 0.325
0.009 – 0.015
0.325
8.255
0.016 – 0.050
0.406 – 1.270
–0.381
+0.635
+0.025
–0.015
45
FAX
: [phone]
DESCRIPTION
Off-Line Switching Regulator Controller
High Efficiency 100kHz Switching Regulators
500kHz Low Power Current Mode Pulse Width Modulator
Power Factor Controllers
High Efficiency 500kHz Boost Switching Regulator
1.5A, 500kHz Step-Down Switching Regulator
1MHz High Efficiency Boost Switching Regulator
Programmable Reference
0 – 8 TYP
(1.143 0.381)
0.045 0.015
(1.651)
0.065
TYP
TELEX
(1.346 – 1.752)
(2.540 0.254)
0.053 – 0.069
0.100 0.010
U
(0.355 – 0.483)
: 499-3977
0.014 – 0.019
Dimensions in inches (millimeters) unless otherwise noted.
(1.143 – 1.651)
0.045 – 0.065
8-Lead Plastic SOIC
8-Lead Plastic DIP
N8 Package
S8 Package
(0.457 0.076)
0.018 0.003
(1.270)
0.050
BSC
(3.302 0.127)
0.130 0.005
(3.175)
(0.101 – 0.254)
0.125
0.004 – 0.010
MIN
(0.380)
0.015
MIN
(5.791 – 6.197)
0.228 – 0.244
(6.477 0.381)
0.255 0.015*
8
1
LINEAR TECHNOLOGY CORPORATION 1992
LT/GP 0395 5K REV A • PRINTED IN USA
(4.801 – 5.004)
0.189 – 0.197*
8
1
2
7
2
(10.160)
7
0.400*
6
MAX
3
6
3
5
4
4
5
N8 0694
(3.810 – 3.988)
0.150 – 0.157*
SO8 0294