LT1247CS8 Linear Technology, LT1247CS8 Datasheet - Page 11

• 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

TYPICAL
V
TO
OUT
R
SLOPE
R
T
C
T
FEEDBACK
A
COMP
R
V
T
PPLICATI
REF
8
4
1
2
/C
T
R
T
C
T
R
FEEDBACK
f
COMP
R
V
T
REF
2.5V
8
4
1
2
/C
–
+
T
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
O
2.5V
U
–
+
S
1mA
Slope Compensation at I
Slope Compensation at Error Amp
5.6V
OSCILLATOR
2R
1mA
R
5.6V
MAIN BIAS
OSCILLATOR
5V REF
2R
1V
–
+
R
MAIN BIAS
5V REF
SENSE
1V
–
+
REFERENCE PULLDOWN
Pin
REFERENCE ENABLE
BLANKING
REFERENCE PULLDOWN
R
S
REFERENCE ENABLE
BLANKING
1.5V
R
S
PULLDOWN
+
–
OUTPUT
LOCKOUT
1.5V
LT1246/LT1247
UV
+
–
18V
PULLDOWN
OUTPUT
LOCKOUT
UV
OUTPUT
I
GND
SENSE
V
18V
CC
7
6
5
3
LT1246 • TA08
LT1246 • TA09
11
OUTPUT
I
V
GND
SENSE
V
IN
CC
7
6
5
3
R
S