参数资料
型号: LT3693IMSE#PBF
厂商: Linear Technology
文件页数: 5/24页
文件大小: 0K
描述: IC REG BUCK ADJ 3.5A 10MSOP
标准包装: 50
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: 管件
供应商设备封装: 10-MSOP 裸露焊盘
产品目录页面: 1332 (CN2011-ZH PDF)
LT3693
TYPICAL PERFOR A CE CHARACTERISTICS
T A = 25°C unless otherwise noted.
840
820
800
780
Feedback Voltage
1.20
1.15
1.10
1.05
1.00
0.95
0.90
0.85
Switching Frequency
R T = 34.0k
1200
1000
800
600
400
200
Frequency Foldback
R T = 34.0k
760
–50 –25
0
25
50 75 100 125 150
0.80
–50 –25
0
25
50 75 100 125 150
0
0
100 200 300 400 500 600 700 800 900
140
120
100
80
60
40
20
0
TEMPERATURE ( ° C)
Minimum Switch On-Time
3693 G12
7
6
5
4
3
2
1
0
Soft-Start
TEMPERATURE ( C)
3693 G13
12
10
8
6
4
2
0
FB PIN VOLTAGE (mV)
RUN/SS Pin Current
3693 G14
–50 –25
0
25
50 75 100 125 150
0
0.5
1
1.5
2
2.5
3
3.5
0
5
10
15
20
25
30
35
1.4
1.2
1.0
0.8
0.6
0.4
TEMPERATURE ( ° C)
Boost Diode
3693 G15
50
40
30
20
10
0
–10
–20
RUN/SS PIN VOLTAGE (V)
Error Amp Output Current
3693 G16
5.0
4.5
4.0
3.5
3.0
RUN/SS PIN VOLTAGE (V)
Minimum Input Voltage
3693 G17
0.2
0
0
0.5 1.0 1.5
2.0
–30
–40
–50
–200
–100
0
100
200
2.5
2.0
V OUT = 3.3V
T A = 25 C
L = 4.7 H
f = 600kHz
1 10 100 1000
10000
BOOST DIODE CURRENT (A)
3693 G18
FB PIN ERROR VOLTAGE (mV)
3693 G19
LOAD CURRENT (mA)
3693 G20
3693f
5
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