参数资料
型号: LT3506AIDHD#TR
厂商: LINEAR TECHNOLOGY CORP
元件分类: 稳压器
英文描述: 3.6 A SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, PDSO16
封装: 5 X 4 MM, PLASTIC, MO-229WJGD-2, DFN-16
文件页数: 19/24页
文件大小: 210K
代理商: LT3506AIDHD#TR
LT3506/LT3506A
4
3506afc
Efciency, VOUT = 1.8V (LT3506A)
Efciency, VOUT = 3.3V (LT3506)
Efciency, VOUT = 5V (LT3506)
Maximum Load Current,
VOUT = 1.8V (LT3506A)
Maximum Load Current,
VOUT = 3.3V (LT3506A)
Switch VCESAT
Boost Pin Current
Current Limit vs Duty Cycle
TYPICAL PERFORMANCE CHARACTERISTICS
IOUT (A)
0
EFFICIENCY
(%)
70
75
80
85
1.0
3506 G01
65
60
0.2
0.6
1.4
1.2
0.4
0.8
1.6
55
50
90
VOUT = 1.8V
L = 2.2μH (COILCRAFT LPS4012-222)
TA = 25°C
VIN = 4.5V
VIN = 10V
VIN = 7V
IOUT (A)
0
50
EFFICIENCY
(%)
55
65
70
75
100
85
0.4
0.8
3506 G02
60
90
95
80
1.2
1.6
VOUT = 3.3V
L = 6.4μH (SUMIDA CR54-6R4)
TA = 25°C
VIN = 5V
VIN = 25V
VIN = 12V
IOUT (A)
0
50
EFFICIENCY
(%)
55
65
70
75
100
85
0.4
0.8
3506 G03
60
90
95
80
1.2
1.6
VOUT = 5V
L = 10μH (COOPER UP1B-100)
TA = 25°C
VIN = 8V
VIN = 25V
VIN = 15V
INPUT VOLTAGE (V)*
0
LOAD
CURRENT
(A)
1.4
1.6
12
14
3506 G04
1.2
1.0
8
4
2
6
10
16
1.8
L = 2.2μH
L = 1.5μH
L = 1μH
TA = 25°C
INPUT VOLTAGE (V)*
0
LOAD
CURRENT
(A)
1.4
1.6
20
3506 G05
1.2
1.0
5
10
15
25
1.8
L = 4.7μH
L = 3.3μH
L = 2.2μH
SLOPE COMPENSATION REQUIRES
L > 2.2μH FOR VIN < 7 WITH VOUT = 3.3V
TA = 25°C
SW CURRENT (A)
0
SWITCH
VOL
TAGE
(mV)
200
300
2.0
3506 G06
100
0
0.5
1.0
1.5
400
TA = 25°C
SWITCH CURRENT (A)
0
BOOST
CURRENT
(mA)
20
30
2.0
3506 G07
10
0
0.5
1.0
1.5
40
TA = 25°C
DUTY CYCLE (%)
0
CURRENT
LIMIT
(A)
TYPICAL
80
3506 G08
20
40
60
100
3.0
2.5
2.0
1.5
1.0
0.5
0
MINIMUM
TA = 25°C
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