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LTC1624 Datasheet(PDF) 3 Page - Linear Technology

Part # LTC1624
Description  High Efficiency SO-8 N-Channel Switching Regulator Controller
Download  28 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LTC1624 Datasheet(HTML) 3 Page - Linear Technology

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LTC1624
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs Load Current
VOUT = 3.3V
LOAD CURRENT (A)
100
95
90
85
80
75
70
0.001
0.1
1
10
1624 G08
0.01
VOUT = 5V
VIN = 10V
RSENSE = 0.033Ω
LOAD CURRENT (A)
100
95
90
85
80
75
70
0.001
0.1
1
10
1624 G07
0.01
VOUT = 3.3V
RSENSE = 0.033Ω
VIN = 5V
VIN = 10V
Efficiency vs Input Voltage
VOUT = 3.3V
INPUT VOLTAGE (V)
0
100
95
90
85
80
75
70
15
25
1624 G09
510
20
30
ILOAD = 1A
VOUT = 3.3V
RSENSE = 0.033Ω
ILOAD = 0.1A
Efficiency vs Load Current
VOUT = 5V
Efficiency vs Input Voltage
VOUT = 5V
Input Supply Current vs
Input Voltage
Boost Line Regulation
INPUT VOLTAGE (V)
0
6
5
4
3
2
1
0
15
25
1624 G04
510
20
30
35
IBOOST = 1mA
VSW = 0V
BOOST LOAD CURRENT (mA)
0
6
5
4
3
2
1
0
15
25
1624 G06
510
20
30
VSW = 0V
VIN = 15V
VIN = 5V
Boost Load Regulation
TEMPERATURE (
°C)
–40
6.0
5.5
5.0
4.5
4.0
35
85
1624 G15
–15
10
60
110
135
ILOAD = 1mA
LOAD CURRENT (A)
0.7
0.6
0.5
0.4
0.3
0.2
0.1
0
1624 G11
0
0.5
1.0
1.5
2.0
2.5
3.0
RSENSE = 0.033Ω
VOUT DROP OF 5%
INPUT VOLTAGE (V)
0
700
600
500
400
300
200
100
0
15
25
1624 G05
510
20
30
35
SLEEP MODE
VFB = 1.21V
SHUTDOWN
INPUT VOLTAGE (V)
0
100
95
90
85
80
75
70
15
25
1624 G10
510
20
30
ILOAD = 1A
VOUT = 5V
RSENSE = 0.033Ω
ILOAD = 0.1A
VIN – VOUT Dropout Voltage
vs Load Current
Boost Voltage vs Temperature


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