LTC3803-5 Linear Technology, LTC3803-5 Datasheet - Page 4

• Manufacturer Part Number: LTC3803-5
• Description: Constant Frequency Current Mode Flyback DC/DC Controller
• Manufacturer: Linear Technology

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LTC3803-5
4
TYPICAL PERFOR A CE CHARACTERISTICS
220
215
210
205
200
195
190
185
180
812
808
804
800
796
792
788
6.0
5.0
4.0
3.0
5.5
4.5
3.5
–50
–50
–50
Reference Voltage vs Temperature
Oscillator Frequency
vs Temperature
V
Thresholds vs Temperature
V
V
CC
CC
CC
–30
–30
–30
= 5V
= 5V
Undervoltage Lockout
–10
–10 10
–10
10
10
TEMPERATURE (°C)
TEMPERATURE (°C)
TEMPERATURE (°C)
30
30 50
30 50
V
V
TURNOFF
TURNON
50
70
70 90
70 90
90
W
110 130
110 130
110 130
38035 G01
38035 G04
3803 G07
U
150
150
150
10.5
10.0
220
215
210
205
200
195
190
185
180
812
808
804
800
796
792
788
8.5
9.5
9.0
8.0
7.5
7.0
–50
4.0
4.0
V
vs Temperature
Reference Voltage
vs Supply Voltage
Oscillator Frequency
vs Supply Voltage
T
CC
T
V
A
A
–30
CC
= 25°C
= 25°C
4.5
4.5
Shunt Regulator Voltage
≤ V
–10
CLAMP1mA
V
V
CC
5.0
CC
5.0
10
TEMPERATURE (°C)
SUPPLY VOLTAGE (V)
SUPPLY VOLTAGE (V)
I
30 50
CC
5.5
5.5
= 25mA
6.0
6.0
70 90
I
CC
6.5
6.5
= 1mA
110
7.0
7.0
130
38035 G08
38035 F02
38035 G05
150
7.5
7.5
220
215
210
205
200
195
190
185
180
300
280
260
240
220
200
808
804
796
792
788
812
800
–50
0
0
Reference Voltage
vs V
Oscillator Frequency
vs V
T
T
I
vs Temperature
V
V
A
CC
A
–30
CC
ITH/RUN
= 25°C
= 25°C
CC
CC
= 5V
Supply Current
–10
5
Shunt Regulator Current
5
Shunt Regulator Current
= 1.3V
10
TEMPERATURE (°C)
30 50
10
10
I
CC
I
CC
(mA)
(mA)
15
70 90 110 130 150
15
20
20
38035 G06
38035 G08
38035 G03
38035f
25
25