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LTC7803 Datasheet(PDF) 10 Page - Analog Devices

Part # LTC7803
Description  40V, Low IQ, 3MHz, Triple Output Buck/Buck/Boost Controller
PDF  42 Pages
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Manufacturer  AD [Analog Devices]
Direct Link  http://www.analog.com
Logo AD - Analog Devices

LTC7803 Datasheet(HTML) 10 Page - Analog Devices

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LTC7811
10
Rev. 0
For more information www.analog.com
TYPICAL PERFORMANCE CHARACTERISTICS
INTVCC Voltage vs Current
EXTVCC Switchover and INTVCC
Voltage vs Temperature
INTVCC Undervoltage Lockout
Thresholds vs Temperature
VBIAS = 12V
EXTVCC = 0V
EXTVCC = 6V
EXTVCC = 5V
INTVCC LOAD CURRENT (mA)
0
50
100
150
200
250
300
4.0
4.2
4.4
4.6
4.8
5.0
5.2
5.4
INTVCC Voltage vs Current
7811 G28
INTVCC VOLTAGE
EXTVCC RISING
EXTVCC FALLING
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
4.2
4.4
4.6
4.8
5.0
5.2
5.4
Voltage vs Temperature
EXTVCC Switchover and INTVCC
7811 G29
INTVCC RISING
INTVCC FALLING
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
3.7
3.8
3.9
4.0
4.1
4.2
4.3
4.4
Thresholds vs Temperature
INTVCC Undervoltage Lockout
7811 G30
RUN Pin Thresholds
vs Temperature
VBIAS Quiescent Current
vs Temperature
Shutdown Current
vs VBIAS Input Voltage
BATTSNS Thresholds vs
Temperature
BATTSNS Pin Current vs Voltage
TRACK/SS Pull-Up Current
vs Temperature
RISING
FALLING
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
1.06
1.08
1.10
1.12
1.14
1.16
1.18
1.20
1.22
1.24
1.26
vs Temperature
RUN Pin Thresholds
7811 G31
VBIAS = 12V
EXTVCC = 12V, SENSE1–=3.3V
EXTVCC = 0V, SENSE1–=3.3V
EXTVCC = 0V, SENSE1–=0V
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
0
5
10
15
20
25
30
35
40
vs Temperature
VBIAS Quiescent Current
7811 G32
ALL CHANNELS ON
SLEEP MODE
VBIAS INPUT VOLTAGE (V)
0
5
10
15
20
25
30
35
40
0
1.0
2.0
3.0
4.0
5.0
6.0
7.0
8.0
vs Input Voltage
Shutdown Current
7811 G33
150°C
–55°C
25°C
VBIAS = RUN3 = 12V
RISING
FALLING
TEMPERATURE (°C)
–55 –25
5
35
65
95
125 155
9.0
9.2
9.4
9.6
9.8
10.0
10.2
vs Temperature
BATTSNS Thresholds
7811 G34
VBIAS = RUN3 = 12V
–55°C
25°C
125°C
150°C
BATTSNS VOLTAGE (V)
0
5
10
15
20
25
30
35
40
0
0.5
1.0
1.5
2.0
2.5
3.0
BATTSNS Pin Current vs Voltage
7811 G35
TEMPERATURE (oC)
–55 –25
5
35
65
95
125 155
11.0
11.5
12.0
12.5
13.0
13.5
14.0
vs Temperature
TRACK/SS Pull–Up Current
7811 G36



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