LT1243IN8#PBF Linear Technology, LT1243IN8#PBF Datasheet - Page 4
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LT1243IN8#PBF
Manufacturer Part Number
LT1243IN8#PBF
Description
IC PWM CURRNT MODE HI-SPEED 8DIP
Manufacturer
Linear Technology
Datasheet
1.LT1245IN8.pdf
(16 pages)
Specifications of LT1243IN8#PBF
Pwm Type
Current Mode
Number Of Outputs
1
Frequency - Max
500kHz
Duty Cycle
96%
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
-40°C ~ 100°C
Package / Case
8-DIP (0.300", 7.62mm)
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
Industrial
Mounting
Through Hole
Pin Count
8
Package Type
PDIP N
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
TYPICAL PERFOR
LT1241 Series
4
200
150
100
11
10
50
10
9
8
7
6
0
9
8
7
6
5
4
3
2
1
0
–50
10k
Start-Up Current
Undervoltage Lockout – LT1241
0
Supply Current vs
Oscillator Frequency
THRESHOLD
V
R
C
–25
START-UP
2
LT1243/5
CC
L
T
MINIMUM OPERATING VOLTAGE
= 10k
= 15pF
OSCILLATOR FREQUENCY (Hz)
= 15V
4
START-UP THRESHOLD
0
TEMPERATURE ( C)
6
LT1242, LT1243
25
LT1241, LT1244, LT1245
V
8
LT1241
CC
100k
(V)
10
50
12
75
LT1242/4
T
J
W
14
= 25 C
LT1241 • TPC01
LT1241 • TPC04
LT1241 • TPC18
100
16
A
U
125
1M
18
CE
C
HARA TERISTICS
200
180
160
140
120
100
17
16
15
11
10
80
60
40
20
60
58
56
54
52
50
48
46
44
42
40
9
0
–50
–50
–50
Start-Up Current
Undervoltage Lockout –
LT1242, LT1244
Oscillator Frequency
–25
–25
–25
MINIMUM OPERATING VOLTAGE
C
START-UP THRESHOLD
0
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
TEMPERATURE ( C)
25
25
25
50
50
50
75
75
V
R
C
75
CC
T
T
= 3300pF
= 10k
LT1241 • TPC02
LT1241 • TPC05
LT1241 • TPC07
= 5V
100
100
100
125
125
125
8.7
8.6
8.5
8.4
8.3
8.2
8.1
8.0
7.9
7.8
7.7
10
11
10
9
8
7
6
5
9
8
7
6
–50
–50
–50
Supply Current
Undervoltage Lockout –
LT1243, LT1245
Oscillator Sink Current
V
C
V
R
PIN4
CC
T
T
–25
–25
–25
= 3300pF
= 10k
MINIMUM OPERATING VOLTAGE
= 15V
= 2V
START-UP THRESHOLD
0
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
TEMPERATURE ( C)
25
25
25
50
50
50
75
75
75
LT1241 • TPC06
LT1241 • TPC08
LT1241 • TPC03
100
100
100
125
125
125