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LTC1705 Datasheet(PDF) 6 Page - Linear Technology

Part No. LTC1705
Description  Dual 550kHz Synchronous Switching Regulator Controller with 5-Bit VID and 150mA LDO
Download  28 Pages
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Maker  LINER [Linear Technology]
Homepage  http://www.linear.com
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LTC1705 Datasheet(HTML) 6 Page - Linear Technology

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LTC1705
6
1705 G20
650
610
570
530
490
450
VCC (V)
3
3.5
4
4.5
5
5.5
6
TA = 25°C
TEMPERATURE (
°C)
–50
–25
0
25
50
75
100
125
1705 G21
–8.0
–8.5
–9.0
–9.5
–10.0
–10.5
–11.0
–11.5
–12.0
VCC = 5V
1705 G22
–8.0
–8.5
–9.0
–9.5
–10.0
–10.5
–11.0
–11.5
–12.0
TA = 25°C
VCC (V)
3
3.5
4
4.5
5
5.5
6
TEMPERATURE (
°C)
–50
–25
0
25
50
75
100
125
1705 G23
1.6
1.4
1.2
1.0
0.8
0.6
0.4
VCC = 5V
1705 G24
1.6
1.4
1.2
1.0
0.8
0.6
0.4
VCC (V)
3
3.5
4
4.5
5
5.5
6
TA = 25°C
TEMPERATURE (
°C)
–50
–25
0
25
50
75
100
125
1705 G25
6.0
4.5
3.0
1.5
0
VCC = PVCC = BVCC = 5V, VINCLK = 3.3V,
TGC, BGC, TGIO, BGIO FLOAT
IVCC
IPVCC, IBOOST
IVINCLK
TYPICAL PERFOR A CE CHARACTERISTICS
fOSC vs VCC
IIMAX vs Temperature
IIMAX vs VCC
VID Input Threshold vs
Temperature
VID Input Threshold vs VCC
Supply Current vs Temperature
1705 G16
–150
–190
–230
–270
–310
–350
VINCLK (V)
3
3.5
4
4.5
5
5.5
6
TA = 25°C
TEMPERATURE (
°C)
–50
–25
0
25
50
75
100
125
1705 G19
650
630
610
590
570
550
530
510
490
470
450
VCC = 5V
VOUTCLK Short-Circuit Current vs
VINCLK
VOUTCLK 10mA To 150mA Load
Step
fOSC vs Temperature
VOUTCLK
AC 5mV/DIV
10mA TO
150mA LOAD
100mA/DIV
2ms/DIV
1705 G18.tif


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