LTC3776(RevA) Ver la hoja de datos (PDF) - Linear Technology
Número de pieza
componentes Descripción
Fabricante
LTC3776
(Rev.:RevA)
(Rev.:RevA)
Linear Technology
LTC3776 Datasheet PDF : 28 Pages
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LTC3776
TYPICAL PERFOR A CE CHARACTERISTICS TA = 25°C unless otherwise noted.
Maximum Current Sense Voltage
vs ITH2 Pin Voltage (CH2)
100
80
60
40
20
0
–20
–40
–60
–80
–100
0
1.0
1.5
ITH2 VOLTAGE (V)
2.0
3776 G08
Shutdown (RUN) Threshold
vs Temperature
1.0
0.9
0.8
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
–60 –40 –20 0 20 40 60 80 100
TEMPERATURE (°C)
3736 G11
Maximum Current Sense
Threshold (CH2) vs Temperature
150 IPRG2 = FLOAT
145
140
135
130
125
–60 –40 –20 0 20 40 60
TEMPERATURE (°C)
80 100
3776 G14
Regulated Feedback Voltage
(CH2) vs Temperature
1.2625
VREF = 2.500V
1.2600
1.2575
1.2550
1.2525
1.2500
1.2475
1.2450
1.2425
1.2400
1.2375
–60 –40 –20 0 20 40 60 80 100
TEMPERATURE (°C)
3776 G09
RUN/SS Pull-Up Current
vs Temperature
1.0
0.9
0.8
0.7
0.6
0.5
0.4
–60 –40 –20 0 20 40 60
TEMPERATURE (°C)
80 100
3736 G12
Oscillator Frequency
vs Temperature
10
8
6
4
2
0
–2
–4
–6
–8
–10
–60 –40 –20 0 20 40 60 80 100
TEMPERATURE (°C)
3736 G15
Regulated Feedback Voltage
(CH1) vs Temperature
0.612
0.608
0.604
0.600
0.596
0.592
0.588
–60 –40 –20 0 20 40 60
TEMPERATURE (°C)
80 100
3776 G10
Maximum Current Sense Threshold
(CH1) vs Temperature
135 IPRG1 = FLOAT
130
125
120
115
–60 –40 –20 0 20 40 60
TEMPERATURE (°C)
80 100
3736 G13
Undervoltage Lockout Threshold
vs Temperature
2.50
2.45
VIN RISING
2.40
2.35
2.30
VIN FALLING
2.25
2.20
2.15
2.10
–60 –40 –20 0 20 40 60
TEMPERATURE (°C)
80 100
3736 G16
3776fa
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