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LTC3890IUHTRPBF Datasheet(PDF) 7 Page - Linear Technology

Part # LTC3890IUHTRPBF
Description  60V Low IQ, Dual, 2-Phase Synchronous Step-Down DC/DC Controller
Download  36 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3890IUHTRPBF Datasheet(HTML) 7 Page - Linear Technology

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LTC3890
7
3890f
TYPICAL PERFORMANCE CHARACTERISTICS
TRACK/SS Pull-Up Current
vs Temperature
Shutdown (RUN) Threshold
vs Temperature
Regulated Feedback Voltage
vs Temperature
SENSEPin 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
TEMPERATURE (°C)
–45
0.90
0.95
1.00
1.05
1.10
–20
5
30
55
3890 G19
80
105
130
TEMPERATURE (°C)
–45
1.30
1.35
1.40
30
80
3890 G20
1.25
1.20
–20
5
55
105
130
1.15
1.00
1.05
1.10
RUN1 RISING
RUN2 RISING
RUN1 FALLING
RUN2 FALLING
TEMPERATURE (°C)
–45
806
30
3890 G21
800
796
–20
5
55
794
792
800
804
802
798
80
105
130
TEMPERATURE (°C)
–45
–600
–650
–700
–750
–800
–500
–550
–400
–450
–300
–350
50
–50
–25
15
35
55
115
3890 G22
0
–150
–100
–200
–250
–5
75
95
VOUT < INTVCC – 0.5V
VOUT > INTVCC – 0.5V
TEMPERATURE (°C)
–45
500
550
600
30
80
3890 G24
450
400
–20
5
55
105
130
350
300
FREQ = GND
FREQ = INTVCC
TEMPERATURE (°C)
–45
3.4
3.5
3.7
3.8
3.9
4.4
4.1
5
55
80
3890 G25
3.6
4.2
4.3
4.0
–20
30
105
130
FALLING
RISING
INPUT VOLTAGE (V)
0
10
15
30
25
20
30 35 40 45 50 55 60 65
15
10
525
3890 G23
5
20
INPUT VOLTAGE (V)
344
348
350
356
20
30 35 40 45 50 55 60 65
15
10
525
3890 G26
346
352
354
FREQ = GND
TEMPERATURE (°C)
8
12
14
22
20
55
80
105
130
5
–45
–20
30
3890 G27
10
16
18
VIN = 12V


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