LT1245CS8#PBF Linear Technology, LT1245CS8#PBF Datasheet - Page 13

• Manufacturer Part Number: LT1245CS8#PBF
• Description: IC PWM CURRENT MODE HI-SPD 8SOIC
• Manufacturer: Linear Technology

Specifications of LT1245CS8#PBF

• 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-SOIC (3.9mm Width)
• Frequency-max: 500kHz
• Number Of Pwm Outputs: 1
• On/off Pin: No
• Adjustable Output: No
• Switching Freq: 500KHz
• Operating Supply Voltage (max): 25V
• Output Current: 1A
• Synchronous Pin: No
• Rise Time: 50ns
• Fall Time: 30ns
• Operating Temperature Classification: Commercial
• Mounting: Surface Mount
• Pin Count: 8
• Package Type: SOIC N
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

PACKAGE DESCRIPTIO
TYPICAL
NOTE: LEAD DIMENSIONS APPLY TO SOLDER DIP/PLATE OR TIN PLATE LEADS.
A
R
T
C
T
PPLICATI
(0.203 – 0.457)
R
0.008 – 0.018
COMP
V
T
(9.779 0.635)
FB
REF
8
4
1
2
(1.143 – 1.727)
0.385 0.025
/C
0.045 – 0.068
(0.762 BSC)
0.300 BSC
T
FULL LEAD
OPTION
2.5V
–
+
CORNER LEADS OPTION
O
(4 PLCS)
U
0 – 15
S
U
(0.584 – 1.143)
0.023 – 0.045
8-Lead CERDIP (Narrow 0.300, Hermetic)
HALF LEAD
Dimensions in inches (millimeters) unless otherwise noted.
1mA
OPTION
Slope Compensation at I
5.6V
OSCILLATOR
2R
(LTC DWG # 05-08-1110)
R
(1.143 – 1.727)
(0.360 – 0.660)
0.045 – 0.068
0.014 – 0.026
RAD TYP
MAIN BIAS
J8 Package
(0.635)
0.025
5V REF
(0.127)
0.005
MIN
1V
–
+
SENSE
8
1
REFERENCE PULL-DOWN
REFERENCE ENABLE
Pin
(10.287)
7
2
T
0.405
MAX
BLANKING
S
R
6
3
1.5V
5
4
PULL-DOWN
+
–
OUTPUT
(2.540 0.254)
(0.381 – 1.524)
0.100 0.010
0.015 – 0.060
LOCKOUT
(5.588 – 7.874)
0.220 – 0.310
UV
18V
(5.080)
LT1241 Series
0.200
0.125
3.175
MAX
MIN
J8 0694
OUTPUT
I
SENSE
GND
V
CC
6
5
7
3
LT1241 • TA04
V
IN
R
S
13