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LT8601 データシート(PDF) 9 Page - Linear Technology

部品番号 LT8601
部品情報  42V, Low IQ, Quad Output Triple Monolithic Buck Converter and Boost Controller
PDF  38 Pages
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メーカー  LINER [Linear Technology]
ホームページ  http://www.linear.com
Logo LINER - Linear Technology

LT8601 データシート(HTML) 9 Page - Linear Technology

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LT8603
9
8603f
For more information www.linear.com/LT8603
Channels 3 RDS(ON) vs Temperature
TA = 25°C, VIN = PVIN1 = PVIN2 = 12V, EN/UVLO = 3V
and PVIN3 = 3.3V unless otherwise noted.
TYPICAL PERFORMANCE CHARACTERISTICS
Channel 1 RDS(ON) vs Temperature
Channel 4 Minimum On-Time
vs VISP – VISN
Channel 4 Minimum Off-Time
vs VISP – VISN
Channel 4 ISP, ISN Input Current
vs VISP, VISN
BOTTOM FET
TOP FET
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
100
200
300
400
500
DSON
8603 G29
Channel 2 RDS(ON) vs Temperature
Channel 1 Full Frequency
VIN vs Load Current
Channel 2 Full Frequency
VIN vs Load Current
Channel 3 Full Frequency
VIN vs Load Current
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
0
100
200
300
400
8603 G30
ISW2 = 1A
BOTTOM FET
TOP FET
TEMPERATURE (°C)
–50 –25
0
25
50
75 100 125 150
0
50
100
150
200
250
300
8603 G31
ISW = 1A
BOTTOM FET
TOP FET
RT = 28.7k
FULL FREQUENCY
REGION (2MHz)
VOUT = 3.3V
VOUT = 5V
IOUT (A)
0
0.2 0.4 0.6 0.8
1
1.2 1.4 1.6
0
5
10
15
20
25
30
35
40
45
8603 G32
IOUT (A)
0
0.3 0.7
1
1.3 1.6 1.9 2.3 2.6
0
5
10
15
20
25
30
35
40
45
8603 G33
RT = 28.7k
FULL FREQUENCY
REGION (2MHz)
VOUT = 3.3V
VOUT = 5V
IOUT (A)
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
8603 G34
RT = 28.7k
FULL FREQUENCY
REGION (2MHz)
VOUT = 1.8V
VOUT = 1.2V
CH4 FSW = 2MHz
135°C
25°C
–45°C
VISP – VISN (mV)
0
10
20
30
40
50
100
120
140
160
180
200
ISP – ISN
8603 G26
FOR VISP > 2V, 34A
TYPICAL ACTIVE
< 200nA IN SLEEP
VISP , VISN (V)
–50 –40 –30 –20 –10 0 10 20 30 40 50
–8
–7
–6
–5
–4
–3
–3
–2
–1
0
1
ISP , ISN
8603 G28
150°C
100°C
25°C
–45°C
CH4 SWITCHING FREQUENCY (MHz)
0
0.5
1
1.5
2
2.5
100
140
180
220
260
300
8603 G27



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