LT1247C Linear Technology, LT1247C Datasheet - Page 11

• Manufacturer Part Number: LT1247C
• Description: 1MHz Off-Line Current Mode PWM and DC/DC Converter
• Manufacturer: Linear Technology

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