LTC3416 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC3416 Datasheet PDF : 16 Pages
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LTC3416
TYPICAL PERFOR A CE CHARACTERISTICS
Frequency vs Temperature
1090
VIN = 3.3V
1070 ROSC = 294k
1050
1030
1010
990
970
950
930
910
–40 –20
0 20 40 60 80 100 120
TEMPERATURE (°C)
3416 G07
DC Supply Current
vs Input Voltage
400
350
300
250
200
150
100
50
0
2.25 2.75 3.25 3.75 4.25 4.75 5.25
INPUT VOLTAGE (V)
3416 G08
Efficiency vs Load Current,
Forced Continuous
100
90
VIN = 2.5V
80
70
VIN = 3.3V
60
50
40
30
20
10
0
0.01
VOUT = 1.8V
f = 2MHz
0.10
1
10
LOAD CURRENT (A)
3416 G09
Efficiency vs Input Voltage
98
VOUT = 2.5V
96
IOUT = 1A
TA = 25°C
94
92
90
88
IOUT = 4A
86
84
82
80
78
2.5 3.0 3.5 4.0 4.5 5.0 5.5
INPUT VOLTAGE (V)
3416 G10
Load Regulation
0
–0.20
VIN = 3.3V
VOUT = 1.8V
–0.40
–0.60
–0.80
–1.00
–1.20
–1.40
0 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0
LOAD CURRENT (A)
3416 G11
Load Step Transient
Tracking: Start-Up and Shutdown
VOUT
INDUCTOR
CURRENT
2A/DIV
20µs/DIV
VIN = 3.3V, VOUT = 1.8V
f = 2MHz
LOAD STEP = 0A TO 4A
3416 G12
5ms/DIV
VIN = 3.3V, VOUT = 1.8V
TRACKING 2.5V
3416 G13
3416f
4
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