lt3685emse-trpbf Linear Technology Corporation, lt3685emse-trpbf Datasheet - Page 6

• Manufacturer Part Number: lt3685emse-trpbf
• Description: 38v, 2a, 2.4mhz Step-down Switching Regulator
• Manufacturer: Linear Technology Corporation

LT3685
TYPICAL PERFOR A CE CHARACTERISTICS
6
5.0
4.5
4.0
3.5
3.0
2.5
2.0
95
90
85
80
75
–50
Power Good Threshold
Minimum Input Voltage
1
V
L = 4.7μH
f = 800kHz
OUT
–25
= 3.3V
10
0
TEMPERATURE (°C)
LOAD CURRENT (A)
25
100
50
75
1000
100
W
125
3685 G17
3685 G20
10000
U
150
10mV/DIV
0.5A/DIV
5V/DIV
V
V
OUT
SW
6.5
6.0
5.5
5.0
4.5
4.0
I
L
Switching Waveforms;
Discontinuous Operation
Minimum Input Voltage
V
I
1
LOAD
V
L = 4.7μH
f = 800kHz
IN
OUT
= 12V; FRONT PAGE APPLICATION
= 110mA
= 5V
10
LOAD CURRENT (A)
1μs/DIV
100
1000
T
3685 G18
3685 G21
A
10000
= 25°C unless otherwise noted.
10mV/DIV
5V/DIV
1A/DIV
V
V
2.50
2.00
1.50
1.00
0.50
OUT
SW
I
L
0
–50
V
V
I
Switching Waveforms;
Continuous Operation
LOAD
C
IN
Voltages
–25
= 12V; FRONT PAGE APPLICATION
= 1A
CURRENT LIMIT CLAMP
SWITCHING THRESHOLD
0
TEMPERATURE (°C)
25
1μs/DIV
50
75
100
125
3685 G19
3685 G22
3685f
150