LT1245CS8#PBF Linear Technology, LT1245CS8#PBF Datasheet - Page 12

• 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

LT1241 Series
12
TYPICAL
240VAC
90VAC
R8
152k
R10
20k
TO
HOT
NEU
AC GND
200k
R9
R13
12k
C11
220pF
C7
0.22 F
MKS-2
R5
1M
1/2W
1. ALL RESISTANCES ARE IN OHMS, 1/4W, 5%.
2. ALL CAPACITANCES ARE IN MICROFARADS, 50V, 10%.
A
NOTES: UNLESS OTHERWISE SPECIFIED
0.01 F, 100V
MKS-2
BAV21
PPLICATI
C10
0.1 F
MKS-2
D7
C9
C2
0.1 F
250V
MP3-X2
2
1
8
4
COILTRONICS
1212-R6103
1
2
C8
100pF
FB
COMP
V
R
+
1N5245B
REF
T
R
MCID404
2KBPOO5M
1/10W
/C
510
T1
15V
C14
100 F
400V
R7
D6
LT1241
T
O
GND
T1
BALEN
3
4
OUTPUT
5
U
I
SENSE
V
CC
S
7
R1
200k
1/2W
R3
200k
1/2W
6
3
C3
0.1 F
250V
MP3-X2
C5
4700pF
250V
Y-CAP
R2
660k
1/10W
R4
660k
1/10W
1/10W
R12
1k
300kHz Off-Line Power Supply
C12
22 F
25V
R14
39
C4
4700pF
250V
Y-CAP
C1
470pF
R18
2
1/4W
4700pF
D4
BAT 85
Y-CAP
250V
C6
R11
BAV21
12
D2
R5
27k
2W
D1
MUR160
–
R16
2
1/4W
2KBPO8M
Q1
MPT2N60
R17
2
1/4W
D5
+
30T
30T
13T
8
2
7
1
3
6
LP = 100 H
T2
4
5
12T
CTX210433-1
MUR420
D3
5 1/2 TURN
C15
3.3 F
50V
AIRCORE
L1
C16
3.3 F
50V
LT1241 • TA06
R15
750
1W
C13
4700pF
1kV
Y-CAP
20V
1.5A
RTN