参数资料
型号: LT3695EMSE-3.3#PBF
厂商: Linear Technology
文件页数: 8/30页
文件大小: 0K
描述: IC REG BUCK 3.3V 1A 16MSOP
标准包装: 37
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 3.3V
输入电压: 3.6 V ~ 36 V
PWM 型: 电流模式,混合
频率 - 开关: 250kHz ~ 2.2MHz
电流 - 输出: 1A
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: 16-TFSOP(0.118",3.00mm 宽)裸露焊盘
包装: 管件
供应商设备封装: 16-MSOP,裸露焊盘
LT3695 Series
TYPICAL PERFORMANCE CHARACTERISTICS T A = 25°C, unless otherwise noted.
Minimum Input Voltage
Maximum V IN for Full Frequency
Maximum V IN for Full Frequency
6.5
V OUT = 5V
40
40
6.0
5.5
L = 10μH
f = 800kHz
35
30
25
T A = 25?C
T A = 85?C
35
30
25
T A = 25?C
T A = 85?C
5.0
20
15
20
15
4.5
10
V OUT = 3.3V
L = 10μH
f = 800kHz
10
V OUT = 5V
L = 10μH
f = 800kHz
4
1
10 100
1000
5
0
SYNC = 3.3V
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
5
0
SYNC = 5V
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
40
LOAD CURRENT (mA)
3695 G28
Maximum V IN for Full Frequency
2.5
LOAD CURRENT(A)
V C Voltages
3695 G29
LOAD CURRENT(A)
Switching Waveforms,
60V Input Voltage Transient
3695 G30
35
30
25
20
T A = 25?C
T A = 85?C
2.0
1.5
1.0
CURRENT LIMIT CLAMP
V SW
10V/DIV
V IN
20V/DIV
V OUT
5V/DIV
15
SWITCHING THRESHOLD
5ms/DIV
3695 G33
10
V OUT = 5V
L = 4.7μH
f = 2MHz
0.5
V IN = 12V, FRONT PAGE APPLICATION
I LOAD = 500mA
SYNC = 5V
5
0
0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9
1
0
–50 –25
0
25
50
75
100 125 150
LOAD CURRENT(A)
3695 G31
TEMPERATURE (°C)
3695 G32
Switching Waveforms,
Switching Waveforms,
V SW
5V/DIV
I L
0.2A/DIV
V OUT
20mV/DIV
Switching Waveforms,
Burst Mode Operation
V SW
5V/DIV
I L
0.2A/DIV
V OUT
20mV/DIV
Transition from Burst Mode
Operation to Full Frequency
V SW
5V/DIV
I L
0.5A/DIV
V OUT
20mV/DIV
Full Frequency Continuous
Operation
5μs/DIV
3695 G34
1μs/DIV
3695 G35
1μs/DIV
3695 G36
V IN = 12V, FRONT PAGE APPLICATION
I LOAD = 5mA
V IN = 12V, FRONT PAGE APPLICATION
I LOAD = 55mA
V IN = 12V, FRONT PAGE APPLICATION
I LOAD = 500mA
3695fa
8
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