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LTC3446 Datasheet(PDF) 5 Page - Linear Technology

Part # LTC3446
Description  Monolithic Buck Regulator with Dual VLDO Regulators
PDF  20 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC3446 Datasheet(HTML) 5 Page - Linear Technology

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LTC3446
5
3446fd
TYPICAL PERFORMANCE CHARACTERISTICS
Buck Regulated Feedback Voltage
vs Temperature
LDO1 Regulated Feedback
Voltage vs Temperature
LDO2 Regulated Feedback
Voltage vs Temperature
Undervoltage Lockout Threshold
vs Temperature
Maximum Peak Inductor Current
Oscillator Frequency
vs Temperature
TEMPERATURE (°C)
–50
800
802
804
110
3446 G01
798
796
792
–10
30
70
–30
130
10
50
90
794
808
806
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
VIN = 5.5V
TEMPERATURE (°C)
–50
400
402
404
110
3446 G02
398
396
392
–10
30
70
–30
130
10
50
90
394
408
406
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
VIN = 5.5V
TEMPERATURE (°C)
–50
400
402
404
110
3446 G03
398
396
392
–10
30
70
–30
130
10
50
90
394
408
406
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
VIN = 5.5V
TEMPERATURE (°C)
–50
2.00
2.05
2.15
2.20
2.25
2.50
2.35
–10
30
50
130
3446 G04
2.10
2.40
2.45
2.30
–30
10
70
90 110
UVLO RISING
UVLO FALLING
TEMPERATURE (°C)
–50
2.0
2.4
2.3
2.2
2.1
1.9
2.5
10
50
130
3446 G05
1.6
1.8
1.7
1.2
1.1
1.4
1.5
1.3
1.0
–30 –10
30
70
110
90
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
VIN = 5.5V
TEMPERATURE (°C)
–50
2.00
2.05
2.15
2.20
2.25
2.50
2.35
–10
30
50
130
3446 G06
2.10
2.40
2.45
2.30
–30
10
70
90 110
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
VIN = 5.5V



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