LTC1705 Ver la hoja de datos (PDF) - Linear Technology
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LTC1705
Linear Technology
LTC1705 Datasheet PDF : 28 Pages
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LTC1705
TYPICAL PERFOR A CE CHARACTERISTICS
I/O Supply Efficiency
100
VIN = 5V, VOUT = 1.5V, TA = 25°C,
CORE DISABLED, QTIO = QBIO = NDS8926
90
80
70
VOUTC 0A To 10A Load Step
0A TO 10A
LOAD
5A/DIV
VOUT = 1.6V
AC 50mV/
DIV
60
5ms/DIV
1705 G08
Current Limit Threshold vs
Temperature
24
VIN = 5V, VOUT = 1.6V, ∆VOUT = –1%,
22 RIMAXC = 24.9k, QTC = QBC = 2× FDS6670A
20
18
16
14
12
50
0
0.5
1
1.5
ILOAD (A)
VOUTC vs Load Current
2.0
2
2.5
1705 G07
1.5
1.0
TA = 25°C, VIN = 5V,
0.5
VOUT = 1.6V,
QBC = 2× FDS6670A,
RIMAXC = 24.9k,
CRUNSS = 0.01µF
0
0
4
8
12
16
20
LOAD CURRENT (A)
1705 G10
VOUTCLK vs Temperature
2.55
2.54 VINCLK = 3.3V
2.53
2.52
2.51
2.50
2.49
2.48
2.47
2.46
2.45
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1705 G11
10
–50 –25
0 25 50 75 100 125
TEMPERATURE (°C)
1705 G09
VOUTCLK Line Regulation
2.5
0.10
2.0 TA = 25°C
0.08
1.5
0.06
1.0
0.04
0.5
0.02
0
0
–0.5
–0.02
–1.0
–0.04
–1.5
–0.06
–2.0
–0.08
–2.5
–0.10
3 3.5 4 4.5 5 5.5 6
VINCLK (V)
1705 G12
VOUTCLK Load Regulation
0.5
0.02
TA = 25°C
0
0
–0.5
–0.02
–1.0
–0.04
–1.5
–0.06
–2.0
–0.08
–2.5
–150 –125 –100 –75 –50
IOUTCLK (mA)
–0.10
–25 0
1705 G13
VOUTCLK Dropout Voltage vs
Temperature
500
450 IOUTCLK = –150mA
400
VOUTCLK Short-Circuit Current vs
Temperature
–150
VINCLK = 3.3V
–190
350
–230
300
250
–270
200
–310
150
100
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1705 G14
–350
–50 –25
0 25 50 75
TEMPERATURE (°C)
100 125
1705 G15
5
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