参数资料
型号: LTC3616IUDD#TRPBF
厂商: Linear Technology
文件页数: 5/28页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 6A 24QFN
标准包装: 2,500
类型: 降压(降压)
输出类型: 可调式
输出数: 1
输出电压: 0.6 V ~ 5.5 V
输入电压: 2.25 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 300kHz ~ 4MHz
电流 - 输出: 6A
同步整流器:
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 24-QFN
包装: 带卷 (TR)
供应商设备封装: 24-QFN(3x5)
LTC3616
TYPICAL PERFORMANCE CHARACTERISTICS V IN = 3.3V, RT/SYNC = SV IN unless otherwise noted.
100
90
Efficiency vs Load Current
Burst Mode Operation (V MODE = 0V)
V OUT = 1.8V
100
90
Efficiency vs Load Current
Burst Mode Operation (V MODE = 0V)
V OUT = 1.2V
100
90
Efficiency vs Load Current
V OUT = 1.8V, V IN = 3.3V
80
70
60
50
40
30
80
70
60
50
40
30
80
70
60
50
40
30
20
10
0
1
10
V IN = 2.5V
V IN = 3.3V
V IN = 5V
100 1000 10000
20
10
0
1
10
V IN = 2.5V
V IN = 3.3V
V IN = 5V
100 1000 10000
20
10
0
1
10
Burst Mode OPERATION
PULSE-SKIPPING
FORCED CONTINUOUS
100 1000 10000
OUTPUT CURRENT (mA)
3616 G01
OUTPUT CURRENT (mA)
3616 G02
OUTPUT CURRENT (mA)
3616 G03
100
90
80
70
Efficiency vs Input Voltage
Burst Mode Operation
(V MODE = 0V)
V OUT = 1.8V
95
94
93
92
91
90
89
Efficiency vs Frequency
Burst Mode Operation
(V MODE = 0V), I OUT = 2A
V IN = 3.3V
V OUT = 1.8V
1.5
1.3
1.1
0.9
0.7
Load Regulation
(V IN = 3.3V, V OUT = 1.8V)
FORCED CONTINUOUS MODE
PULSE-SKIPPING MODE
INTERNAL Burst Mode OPERATION
60
50
40
30
2.5
3
I OUT = 6mA
I OUT = 600mA
I OUT = 2A
I OUT = 6A
3.5 4 4.5 5 5.5
88
87
86
85
84
83
82
0.5
1
1.5
2 2.5 3 3.5
150nH
330nH
470nH
4 4.5
0.5
0.3
0.1
–0.1
–0.3
0
1000
2000 3000 4000
5000
6000
0.3
0.2
0.1
0
–0.1
–0.2
INPUT VOLTAGE (V)
Line Regulation
3616 G04
V OUT
20mV/DIV
I L
1A/DIV
FREQUENCY (MHz)
Burst Mode Operation
3616 G05
V OUT
20mV/DIV
I L
1A/DIV
OUTPUT CURRENT (mA)
3616 G06
Pulse-Skipping Mode Operation
–0.3
2.20
2.75
3.30 3.85 4.40
INPUT VOLTAGE (V)
4.95 5.50
3616 G07
V OUT = 1.8V
I OUT = 150mA
V MODE = 0V
20μs/DIV
3616 G08
V OUT = 1.8V
I OUT = 150mA
V MODE = 3.3V
20μs/DIV
3616 G09
5
For more information www.linear.com/LTC3616
3616fb
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