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LQH32CN4R7M23 Datasheet(PDF) 4 Page - Linear Integrated Systems

Part # LQH32CN4R7M23
Description  Dual Monolithic 300mA Synchronous Step-Down Regulaor
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Manufacturer  LINEAR [Linear Integrated Systems]
Direct Link  http://www.linearsystems.com
Logo LINEAR - Linear Integrated Systems

LQH32CN4R7M23 Datasheet(HTML) 4 Page - Linear Integrated Systems

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LTC3547
4
3547fa
Efficiency vs Load Current
Efficiency vs Load Current
Efficiency vs Load Current
TYPICAL PERFOR A CE CHARACTERISTICS
VIN (V)
2.5
4
3547 G08
0.9
0.8
0.6
3
3.5
4.5
0.5
0.4
1.0
0.7
5
5.5
6
SYNCHRONOUS
SWITCH
MAIN SWITCH
TEMPERATURE (
°C)
–50
1.2
1.1
25
3547 G09
0.8
0.6
–25
0
50
0.5
0.4
1.3
1.0
0.9
0.7
75
100
125
MAIN SWITCH
SYNCHRONOUS
SWITCH
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
OUTPUT CURRENT (mA)
30
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3547 G10
0
1
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
VOUT = 1.2V
OUTPUT CURRENT (mA)
30
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3547 G11
0
1
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
VOUT = 1.8V
TEMPERATURE (
°C)
–50
25
3547 G07
604
596
–25
0
50
592
588
612
608
600
75
100
OUTPUT CURRENT (mA)
30
90
100
20
10
80
50
70
60
40
0.1
10
100
1000
3547 G12
0
1
VIN = 2.7V
VIN = 3.6V
VIN = 4.2V
VOUT = 2.5V
TEMPERATURE (
°C)
–50
2.5
25
3547 G04
2.2
2.0
–25
0
50
1.9
1.8
2.6
2.4
2.3
2.1
75
100
125
VIN = 4.2V
VIN = 3.6V
VIN = 2.7V
TEMPERATURE (
°C)
–50
25
3547 G05
40
20
–25
0
50
10
0
50
30
75
100
125
SYNCHRONOUS
SWITCH
MAIN SWITCH
VIN (V)
2.5
4
3547 G06
400
200
3
3.5
4.5
100
0
500
300
5
5.5
6
SYNCHRONOUS
SWITCH
MAIN SWITCH
Oscillator Frequency
vs Temperature
Switch Leakage vs Temperature
Switch Leakage vs Input Voltage
Reference Voltage
vs Temperature
RDS(ON) vs Input Voltage
RDS(ON) vs Temperature


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