Linear Technology LT8330, Руководство пользователя

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LT8330
5
8330fa
For more information www.linear.com/LT8330
Typical perForMance characTerisTics
Switching Waveforms
(in CCM)
Switching Waveforms
(in DCM/Light Burst Mode)
Switching Waveforms
(in Deep Burst Mode)
V
OUT
Transient Response: Load
Current Transients from 67.5mA to
135mA to 67.5mA
V
IN
Pin Current (Sleep Mode, Not
Switching) vs Temperature
V
IN
Pin Current (Active Mode, Not
Switching) vs Temperature Burst Frequency vs Load Current
V
OUT
Transient Response: Load
Current Transients from 5mA to
135mA to 5mA
V
IN
= 12V
JUNCTION TEMPERATURE (°C)
–50 –25 0 25 50 75 100 125 150 175
0
1.25
2.50
3.75
5.00
6.25
7.50
8.75
10.00
V
IN
PIN CURRENT (µA)
8330 G10
V
IN
= 12V
JUNCTION TEMPERATURE (°C)
–50 –25 0 25 50 75 100 125 150 175
600
650
700
750
800
850
900
950
1000
V
IN
PIN CURRENT (µA)
8330 G11
V
IN
= 12V
V
OUT
= 48V
FRONT PAGE APPLICATION
LOAD CURRENT (mA)
0 10 20 30 40 50
0
0.5
1.0
1.5
2.0
2.5
SWITCHING FREQUENCY (MHz)
8330 G12
V
IN
= 12V, V
OUT
= 48V, I
LOAD
= 135mA
1µs/DIV
FRONT PAGE APPLICATION
V
SW
20V/DIV
I
L
500mA/DIV
8330 G13
V
IN
= 12V, V
OUT
= 48V, I
LOAD
= 20mA
1µs/DIV
FRONT PAGE APPLICATION
V
SW
20V/DIV
8330 G14
I
L
500mA/DIV
V
IN
= 12V, V
OUT
= 48V, I
LOAD
= 2mA
1µs/DIV
FRONT PAGE APPLICATION
V
SW
20V/DIV
8330 G15
I
L
500mA/DIV
FRONT PAGE APPLICATION
V
IN
= 12V
V
OUT
= 48V
100µs/DIV
V
OUT
500mV/DIV
I
L
100mA/DIV
8330 G16
FRONT PAGE APPLICATION
V
IN
= 12V
V
OUT
= 48V
100µs/DIV
V
OUT
500mV/DIV
I
L
100mA/DIV
8330 G17