LT1424IS8-9 Linear Technology, LT1424IS8-9 Datasheet - Page 4

• Manufacturer Part Number: LT1424IS8-9
• Description: IC SW REG ISOLATD FLYBCK 9V8SOIC
• Manufacturer: Linear Technology
• Type: Flybackr

Specifications of LT1424IS8-9

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 9V
• Current - Output: 200mA
• Frequency - Switching: 285kHz
• Voltage - Input: 2.8 ~ 20 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

TYPICAL PERFOR A CE CHARACTERISTICS
LT1424-9
4
9.30
9.25
9.00
9.20
9.15
9.10
9.05
1.2
1.0
0.8
0.6
0.4
0.2
300
295
290
285
280
275
270
265
0
– 50
– 50
0
Switch Saturation Voltage
vs Switch Current
Reference Voltage
vs Temperature
Switching Frequency
vs Temperature
0.2
– 25
– 25
0.4
SWITCH CURRENT (A)
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
0.6
25
25
0.8
50
50
1.0
75
75
W
–55 C
125 C
1.2
100
100
25 C
1424-9 G01
1424-9 G04
1424-9 G07
U
1.4
125
125
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
–20
–40
–60
–80
2.0
1.5
1.0
0.5
60
40
20
0
0
–50
7.5
Switch Current Limit
vs Duty Cycle
0
Feedback Amplifier Output
Current vs Flyback Voltage
Minimum Synchronization
Voltage vs Temperature
T
10 20 30
A
–25
8.0
= 25 C
8.5
FLYBACK VOLTAGE (V)
0
TEMPERATURE ( C)
DUTY CYCLE (%)
40
9.0
25
50 60 70 80 90 100
9.5
50
10.0
75
25 C
125 C
–55 C
10.5 11.0
100
1424-9 G05
1424-9 G08
1424-9 G02
125
2.50
2.25
2.00
1.75
1.50
1.25
1.00
0.75
3.1
3.0
2.9
2.8
2.7
2.6
2.5
2.4
–1
–2
–3
–4
1
0
–50
–50
Minimum Input Voltage
vs Temperature
V
Voltage vs Temperature
SHDN Pin Input Current
vs Voltage
0
C
T
Pin Threshold and High Clamp
–25
A
–25
= 25 C
1
SHDN PIN VOLTAGE (V)
0
0
TEMPERATURE ( C)
TEMPERATURE ( C)
V
V
25
2
25
C
C
THRESHOLD
HIGH CLAMP
50
50
3
75
75
sn14249 14249fs
4
100
100
1424-9 G03
1424-9 G06
1424-9 G09
125
125
5