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LTC3633 数据表(PDF) 5 Page - Linear Technology

部件名 LTC3633
功能描述  Dual Channel 3A, 15V Monolithic Synchronous Step-Down Regulator
PDF  28 Pages
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制造商  LINER [Linear Technology]
网页  http://www.linear.com
标志 LINER - Linear Technology

LTC3633 数据表(HTML) 5 Page - Linear Technology

  LTC3633 Datasheet HTML 1Page - Linear Technology LTC3633 Datasheet HTML 2Page - Linear Technology LTC3633 Datasheet HTML 3Page - Linear Technology LTC3633 Datasheet HTML 4Page - Linear Technology LTC3633 Datasheet HTML 5Page - Linear Technology LTC3633 Datasheet HTML 6Page - Linear Technology LTC3633 Datasheet HTML 7Page - Linear Technology LTC3633 Datasheet HTML 8Page - Linear Technology LTC3633 Datasheet HTML 9Page - Linear Technology Next Button
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background image
LTC3633
5
3633f
TYPICAL PERFORMANCE CHARACTERISTICS
Efficiency vs Load Current
Efficiency vs Input Voltage
Burst Mode Operation
Load Regulation
Oscillator Frequency
vs Temperature
Efficiency vs Load Current
Burst Mode Operation
Efficiency vs Load Current
Forced Continuous Mode
Operation
Efficiency vs Load Current
TJ = 25°C, VIN = 12V, fSW = 1MHz, L = 1μH unless
otherwise noted.
Oscillator Internal Set Frequency
vs Temperature
Reference Voltage
vs Temperature
1
0
10
30
40
50
70
100
10000
3633 G01
20
80
100
90
60
10
1000
VIN = 4V
VIN = 8V
VIN = 12V
LOAD CURRENT (mA)
VOUT = 1.8V
1
0
10
30
40
50
70
100
10000
3633 G02
20
80
100
90
60
10
1000
VIN = 4V
VIN = 8V
VIN = 12V
LOAD CURRENT (mA)
VOUT = 1.8V
1
0
10
30
40
50
70
100
10000
3633 G03
20
80
100
90
60
10
1000
VOUT = 5V
VOUT = 3.3V
LOAD CURRENT (mA)
Burst Mode
OPERATION
FORCED
CONTINUOUS
OPERATION
4
65
70
75
85
8
16
3633 G05
60
90
100
95
80
610
12
14
ILOAD = 10mA
ILOAD = 100mA
ILOAD = 1A
ILOAD = 3A
INPUT VOLTAGE (V)
0.1
1
0
10
30
40
50
70
100
10000
3633 G04
20
80
100
90
60
10
1000
LOAD CURRENT (mA)
VIN = 4V
VIN = 8V
VIN = 12V
VIN = 15V
–50
0.597
0.599
50
150
3633 G06
0.595
0.601
0.605
0.603
25
–25
0
75
100 125
TEMPERATURE (°C)
0
0.0
0.4
1.5
3
3633 G07
–0.4
0.8
1.6
1.2
1
0.5
2
2.5
ILOAD (A)
Burst Mode OPERATION
FORCED CONTINUOUS
–50
–8
–6
–4
–2
0
2
4
6
8
25
125
3633 G08
–10
10
0
–25
50
75
100
TEMPERATURE (°C)
–50
1.6
1.8
2.0
2.2
2.4
25
125
3633 G09
1.4
2.6
0
–25
50
75
100
TEMPERATURE (°C)
RT = INTVCC



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