参数资料
型号: LT3693IMSE#TRPBF
厂商: Linear Technology
文件页数: 4/24页
文件大小: 0K
描述: IC REG BUCK ADJ 3.5A 10MSOP
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: 0.79 V ~ 30 V
输入电压: 3.6 V ~ 36 V
PWM 型: 电流模式
频率 - 开关: 200kHz ~ 2.45MHz
电流 - 输出: 3.5A
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: 10-TFSOP,10-MSOP(0.118",3.00mm 宽)裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 10-MSOP 裸露焊盘
LT3693
TYPICAL PERFOR A CE CHARACTERISTICS
T A = 25°C unless otherwise noted.
Ef?ciency
Ef?ciency
Ef?ciency
100
100
100
3.0
90
V IN = 12V
90
V IN = 12V
90
2.5
80
V IN = 24V
V IN = 34V
80
V IN = 34V
80
2.0
V IN = 24V
70
70
70
1.5
60
V OUT = 5V
L = 4.7 μ H
f = 600kHz
60
V OUT = 3.3V
L = 3.3 μ H
f = 600kHz
60
V IN = 12V
V OUT = 5V
L = 4.7 μ H
f = 600kHz
1.0
50
0
0.5
1
1.5
2
2.5
3
3.5
50
0
0.5
1
1.5
2
2.5
3
3.5
50
0
0.5
1
1.5
2
2.5
3
3.5
0.5
5.5
OUTPUT CURRENT (A)
Maximum Load Current
3693 G01
5.5
OUTPUT CURRENT (A)
Maximum Load Current
3693 G02
6.0
OUTPUT CURRENT (A)
Switch Current Limit
3693 G03
5.0
TYPICAL
5.0
TYPICAL
5.5
4.5
MINIMU M
4.5
5.0
4.0
3.5
4.0
MINIMU M
4.5
4.0
3.0
V OUT = 3.3V
T A = 25 ° C
L = 4.7 μ H
3.5
V OUT = 5V
T A = 25 ° C
L = 4.7 μ H
3.5
f = 600kHz
f = 600kHz
2.5
5
10
15
20
25
30
3.0
5
10
15
20
25
30
3.0
0
20
40
60
80
100
6.5
6.0
INPUT VOLTAGE (V)
Switch Current Limit
3693 G06
700
600
INPUT VOLTAGE (V)
Switch Voltage Drop
3693 G07
120
105
DUTY CYCLE (%)
Boost Pin Current
3693 G08
5.5
5.0
4.5
4.0
3.5
3.0
2.5
DUTY CYCLE = 10 %
DUTY CYCLE = 90 %
500
400
300
200
100
90
75
60
45
30
15
2.0
–50 –25
0
25
50 75 100 125 150
0
0
1
2
3
4
5
0
0
1
2
3
4
5
TEMPERATURE ( ° C)
3693 G09
SWITCH CURRENT (A)
3693 G10
SWITCH CURRENT (A)
3693 G11
3693f
4
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