LTC3403 View Datasheet(PDF) - Linear Technology
Part Name
Description
MFG CO.
'LTC3403' PDF : 16 Pages View PDF
LTC3403
TYPICAL PERFOR A CE CHARACTERISTICS (From Figure 1a)
Oscillator Frequency
vs Supply Voltage
1.8
TA = 25°C
1.7
1.6
1.5
1.4
1.3
1.2
2
3
4
5
SUPPLY VOLTAGE (V)
6
3403 G06
Frequency vs VOUT
1600
1400
TA = 25°C
VIN = 3.6V
1200
1000
800
600
400
0
0.2 0.4 0.6 0.8
VOUT (V)
1.0 1.2
3403 F06a
4
Output Voltage vs Load Current
1.844 TA = 25°C
VIN = 3.6V
1.834
1.824
1.814
1.804
1.794
1.784
1.774
0 100 200 300 400 500 600 700 800 900 1000
LOAD CURRENT (mA)
3403 G07
RDS(ON) vs Temperature
0.7
VIN = 2.7V
0.6
VIN = 4.2V VIN = 3.6V
0.5
0.4
0.3
0.2
0.1
0
–50 –25
VIN = 3.6V
VIN = 3V
VIN = 4.2V
MAIN SWITCH
SYNCHRONOUS SWITCH
BYPASS SWITCH
0 25 50 75
TEMPERATURE (°C)
100 125
3403 G09
RDS(ON) vs Input Voltage
0.7
TA = 25°C
0.6
MAIN
SWITCH
0.5
0.4
SYNCHRONOUS
0.3
SWITCH
0.2
BYPASS SWITCH
0.1
0
0 12 3 45 6 7
INPUT VOLTAGE (V)
3403 G08
Dynamic Supply Current
vs Supply Voltage
4500
4000
3500
TA = 25°C
VOUT = 1.8V
ILOAD = 0A
3000
FORCED CONTINUOUS
MODE
2500
2000
1500
1000
500
Burst Mode
OPERATION
0
2
3
4
5
6
SUPPLY VOLTAGE (V)
3403 G10
3403f
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