LTC1735-1 Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
fabricante
LTC1735-1 Datasheet PDF : 28 Pages
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LTC1735-1
TYPICAL PERFOR A CE CHARACTERISTICS
Oscillator Frequency
vs Temperature
300
COSC = 47pF
290
RUN/SS Pin Current
vs Temperature
0
VRUN/SS = 0V
–1
PGOOD Pin Current
vs Temperature
0
VPGOOD = 0.85V
–0.2
280
–2
–0.4
270
–3
–0.6
260
–4
–0.8
250
–40 –15
10 35 60 85
TEMPERATURE (°C)
110 135
1735-1 G19
Start-Up
VOUT
1V/DIV
VRUN/SS
5V/DIV
–5
–40 –15
10 35 60 85
TEMPERATURE (°C)
110 135
1735-1 G20
VOUT(RIPPLE) (Synchronized)
VOUT
10mV/DIV
ILOAD = 10mA
FIGURE 1
–1.0
–40 –15
10 35 60 85
TEMPERATURE (°C)
110 135
1735-1 G21
VOUT(RIPPLE)
(Burst Mode Operation)
VOUT
20mV/DIV
ILOAD = 50mA
FIGURE 1
IL
5A/DIV
VIN = 15V
VOUT = 1.6V
RLOAD = 0.16Ω
5ms/DIV
1735-1 G22
IL
5A/DIV
EXT SYNC f = fO
VIN = 15V
VOUT = 1.6V
10µs/DIV
IL
5A/DIV
1735-1 G23
VIN = 15V
VOUT = 1.6V
50µs/DIV
1735-1 G24
VOUT(RIPPLE)
(Burst Mode Operation)
VOUT
20mV/DIV
ILOAD = 1.5A
FIGURE 1
Load Step
(Burst Mode Operation)
VOUT
50mV/DIV
FIGURE 1
Load Step (Continuous Mode)
VOUT
50mV/DIV
FIGURE 1
IL
5A/DIV
IL
5A/DIV
IL
5A/DIV
VIN = 15V
VOUT = 1.6V
5µs/DIV
1735-1 G25
10mA TO
11A LOAD STEP
VIN = 15V
VOUT = 1.6V
10µs/DIV
1735-1 G26
0A TO
11A LOAD STEP
PGOOD = 0V
VIN = 15V
VOUT = 1.6V
10µs/DIV
1735-1 G27
6
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