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LTC3835 Datasheet(PDF) 7 Page - Linear Technology

Part # LTC3835
Description  60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller
PDF  40 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3835 Datasheet(HTML) 7 Page - Linear Technology

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LTC3890-3
7
38903f
For more information www.linear.com/3890-3
Typical perForMance characTerisTics
TRACK/SS Pull-Up Current
vs Temperature
Shutdown (RUN) Threshold
vs Temperature
Regulated Feedback Voltage
vs Temperature
SENSE– Pin Total Input Bias Current
vs Temperature
Shutdown Current
vs Input Voltage
Oscillator Frequency
vs Temperature
Undervoltage Lockout Threshold
vs Temperature
Oscillator Frequency
vs Input Voltage
Shutdown Current vs Temperature
INPUT VOLTAGE (V)
344
348
350
356
20
30 35 40 45 50 55 60 65
15
10
5
25
38903 G26
346
352
354
FREQ = GND
TEMPERATURE (°C)
–75
1.30
1.35
1.40
0
100
38903 G20
1.25
1.20
–50 –25
50
25
125 150
1.15
1.00
1.05
1.10
RUN1 FALLING
RUN2 RISING
RUN1 RISING
RUN2 FALLING
75
TEMPERATURE (°C)
–75
806
0
25 50
38903 G21
800
796
–50 –25
75
794
792
808
804
802
798
100 125 150
INPUT VOLTAGE (V)
0
10
15
30
25
20
30 35 40 45 50 55 60 65
15
10
5
25
38903 G23
5
20
TEMPERATURE (°C)
8
12
14
22
20
25 50 75 100 125 150
–25
–75 –50
0
38903 G27
10
16
18
VIN = 12V
TEMPERATURE (°C)
–75
3.7
3.8
3.9
4.1
–25
75 100
38903 G25
3.6
4.2
4.0
–50
0 25 50
125 150
FALLING
RISING
TEMPERATURE (°C)
–75
500
550
600
0
25 50
100
38903 G24
450
400
–50 –25
75
125 150
350
300
FREQ = GND
FREQ = INTVCC
TEMPERATURE (°C)
–75
50
25
0
38903 G22
400
300
–25
–50
75
800
700
600
500
200
100
0
–100
125
100
150
VOUT > INTVCC + 0.5V
VOUT < INTVCC – 0.5V
TEMPERATURE (°C)
–75
0.90
0.95
1.00
1.05
1.10
–50 –25 0
75
50
25
38903 G19
100 125 150



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