LTC3413IFE Datasheet, PDF (4/16 Pages) Linear Technology – Monolithic Synchronous Regulator

LTC3413
TYPICAL PERFORMANCE CHARACTERISTICS
Switch On-Resistance
vs Temperature
120 _{VIN = 3.3V}
100
PFET
ON-RESISTANCE
80
60
NFET
ON-RESISTANCE
40
20
0
–40 –20 0 20 40 60 80 100 120
TEMPERATURE (°C)
3413 G04
Switch On-Resistance
vs Input Voltage
120
T_A = 25°C
100
PFET ON-RESISTANCE
80
60
NFET ON-RESISTANCE
40
20
0
2.5
3
3.5
4
4.5
5
INPUT VOLTAGE (V)
3413 G05
Switch Leakage vs Input Voltage
2.5
T_A = 25°C
2.0
1.5
PFET
1.0
NFET
0.5
0
2.5 3 3.5
4 4.5
5 5.5
INPUT VOLTAGE (V)
3413 G06
Frequency vs R_OSC
4500
V_IN = 3.3V
4000 ^TA ^{= 25°C}
3500
3000
2500
2000
1500
1000
500
0
54 154 254 354 454 554 654 754 854 954
R_OSC (kΩ)
3413 G07
Frequency vs Input Voltage
1050
T_A = 25°C
1040
1030
1020
1010
1000
990
2.5
3 3.5 4 4.5
INPUT VOLTAGE (V)
5 5.5
3213 G08
Frequency vs Temperature
1010
V_IN = 3.3V
1008
1006
1004
1002
1000
998
996
994
992
990
–40 –20 0 20 40 60 80 100 120
TEMPERATURE (°C)
3413 G09
4
Quiescent Current vs Input Voltage
350
T_A = 25°C
300
250
200
150
100
50
0
2.0 2.5
3.0 3.5 4.0 4.5
INPUT VOLTAGE (V)
5.0 5.5
3413 G10
Load Step Transient
OUTPUT
VOLTAGE
100mV/DIV
INDUCTOR
CURRENT
1A/DIV
V_IN = 2.5V
20μs/DIV
V_OUT= 1.25V
LOAD STEP = 0A to 3A
3413 G11
3413fc