参数资料
型号: LTC3615EUF#PBF
厂商: Linear Technology
文件页数: 5/32页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 3A DL 24QFN
标准包装: 91
类型: 降压(降压)
输出类型: 可调式
输出数: 2
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: 400kHz ~ 4MHz
电流 - 输出: 3A
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-WFQFN 裸露焊盘
包装: 管件
供应商设备封装: 24-QFN 裸露焊盘(4x4)
LTC3615/LTC3615-1
TYPICAL PERFORMANCE CHARACTERISTICS
V IN = 3.3V, R T /SYNC = SV IN , unless otherwise noted.
100
90
Efficiency vs Load Current
(V MODE = 0V)
V OUT = 1.8V
100
90
Efficiency vs Load Current
(V MODE = 0V)
V OUT = 1.2V
100
90
Efficiency vs Load Current
(V MODE = 0V)
V OUT = 2.5V
80
70
60
50
40
30
80
70
60
50
40
30
80
70
60
50
40
30
20
10
0
0.001
0.01
V IN = 2.5V
V IN = 3.3V
V IN = 5V
0.1 1
10
20
10
0
0.001
0.01
V IN = 2.5V
V IN = 3.3V
V IN = 5V
0.1 1
10
20
10
0
0.001
0.01
V IN = 3.3V
V IN = 4V
V IN = 5V
0.1 1
10
OUTPUT CURRENT (A)
3615 G01
OUTPUT CURRENT (A)
3615 G02
OUTPUT CURRENT (A)
3615 G03
Efficiency vs Load Current
(V MODE = 0.55 ? SV IN )
Efficiency vs Load Current
(V MODE = 0.55 ? SV IN )
Efficiency vs Input Voltage
(V MODE = 0V)
100
90
V OUT = 1.8V
100
90
V OUT = 1.2V
95
90
V OUT = 1.8V
80
70
60
50
40
80
70
60
50
40
85
80
75
70
30
20
10
0
0.001
0.01
V IN = 2.25V
V IN = 3.3V
V IN = 5V
0.1 1
10
30
20
10
0
0.001
0.01
V IN = 2.25V
V IN = 3.3V
V IN = 5V
0.1 1 10
65
60
55
50
2.25
2.75
3.25
3.75
I OUT = 3A
I OUT = 2A
I OUT = 1A
I OUT = 0.3A
I OUT = 0.2A
4.25 4.75 5.25
OUTPUT CURRENT (A)
3615 G04
OUTPUT CURRENT (A)
3615 G05
INPUT VOLTAGE (V)
3615 G06
Load Regulation
Line Regulation
0.5
0.4
0.3
0.2
V MODE = 1.5V
INTERNAL
COMPENSATION
(I TH = SV IN )
0.20
0.15
0.10
0.05
EXTERNAL
0.1
0
–0.1 COMPENSATION
–0.2
–0.3
0
–0.05
–0.10
–0.15
–0.4
0
0.5
1
1.5
2
2.5
3
–0.20
2.25
2.75
3.25
3.75
4.25
4.75
5.25
OUTPUT CURRENT (A)
3615 G07
INPUT VOLTAGE (V)
3615 G08
5
For more information www.linear.com/LTC3615
3615fb
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