参数资料
型号: LT3695IMSE-5#PBF
厂商: Linear Technology
文件页数: 5/30页
文件大小: 0K
描述: IC REG BUCK 5V 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: 5V
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.
Ef?ciency (V OUT = 5V, SYNC = 0V)
Ef?ciency (V OUT = 3.3V, SYNC = 0V)
Ef?ciency (V OUT = 3.3V, SYNC = 0V)
90
L = 10μH
90
L = 10μH
100
V IN = 12V
1
80
70
f = 800kHz
V IN = 12V
80 f = 800kHz
70
V IN = 12V
90 V OUT = 3.3V
L = 10μH
80 f = 800kHz
60
V IN = 34V
60
V IN = 34V
70
0.1
60
50
50
V IN = 24V
V IN = 24V
50
40
30
20
40
30
20
40
30
20
0.01
10
0.1
1
10
100
1000
10
0.1
1
10
100
1000
10
0.1
1
10
100
0.001
1000
LOAD CURRENT (mA)
No-Load Supply Current
3695 G01
LOAD CURRENT (mA)
No-Load Supply Current
3695 G02
LOAD CURRENT (mA)
Maximum Load Current
3695 G03
140
120
V OUT = 3.3V
1300
CATCH DIODE: DIODES, INC. B140
1200 V IN = 12V
1100 V OUT = 3.3V
1.75
1.50
TYPICAL
1000
100
900
1.25
80
60
40
800
700
600
500
400
INCREASED SUPPLY CURRENT
DUE TO CATCH DIODE LEAKAGE
AT HIGH TEMPERATURE
1.00
0.75
MINIMUM
300
20
0
0
5
10
15
20
25
30
35
40
200
100
0
–50 –25
0
25
50
75
100 125 150
0.50
0.25
0
5
SYNC = 0V
SYNC = 3.3V
10 15
20
25
V OUT = 3.3V
L = 10μH
f = 800kHz
30 35
40
1.50
INPUT VOLTAGE (V)
Maximum Load Current
3695 G04
1.50
TEMPERATURE (°C)
Maximum Load Current
TYPICAL
3695 G05
1.75
INPUT VOLTAGE (V)
Maximum Load Current
3695 G06
1.25
TYPICAL
1.25
1.50
TYPICAL
1.25
1.00
0.75
1.00
0.75
1.00
MINIMUM
MINIMUM
0.75
MINIMUM
0.50
0.25
5
10
SYNC = 0V
SYNC = 5V
15 20
25
30
V OUT = 5V
L = 10μH
f = 800kHz
35
40
0.50
0.25
8
10
SYNC = 0V
SYNC = 5V
12
14 16
V OUT = 5V
L = 4.7μH
f = 2MHz
18
20
0.50
0.25
0
5
SYNC = 0V
SYNC = 3.3V
10 15 20
25
V OUT = 1.8V
L = 10μH
f = 500kHz
30 35
40
INPUT VOLTAGE (V)
3682 G07
INPUT VOLTAGE (V)
3695 G08
INPUT VOLTAGE (V)
3695 G09
3695fa
5
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