参数资料
型号: LT3506AEDHD#PBF
厂商: Linear Technology
文件页数: 19/24页
文件大小: 0K
描述: IC REG BUCK ADJ 1.6A DL 16DFN
标准包装: 73
类型: 降压(降压)
输出类型: 可调式
输出数: 2
输出电压: 0.8 V ~ 22 V
输入电压: 3.6 V ~ 25 V
PWM 型: 电流模式
频率 - 开关: 1.1MHz
电流 - 输出: 1.6A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 16-WFDFN 裸露焊盘
包装: 管件
供应商设备封装: 16-DFN(5x4)
LT3506/LT3506A
TYPICAL APPLICATIONS
1.8V and 1.2V Outputs with Sequencing
V IN
4.5V TO 21V
22μF
D3a
V IN1 V IN2
D3b
BOOST1
BOOST2
L1
0.22μF
LT3506
0.22μF
L2
V OUT1
1.8V
1.5A
4.7μH
18.7k
D1
1500pF
SW1
FB1
V C1
SW2
FB2
V C2
1000pF
D2
3.3μH
16.2k
V OUT2
1.2V
1.5A
47μF
15k
15k
20k
32.4k
68μF
RUN/SS1 PGOOD1
4.7nF
RUN/SS2
100k
PGOOD2
PGOOD
GND
3506 TA02
D1, D2: ON SEMICONDUCTOR MBRS230LT3
OUTPUT CURRENTS CAN INCREASE TO 1.6A WHEN V IN >12V.
D3: BAT-54A
L1: COILCRAFT MSS6122-472
L2: TDK SLF7028-3R3M
1.8V and ±5V Outputs
V OUT2
D4
V OUT3
V IN
7V TO 25V
22μF
D3a
V IN1 V IN2
BOOST2
BOOST1
D3b
47k
–5V
0.3A
22μF
V OUT1
1.8V
L1
4.7μH
0.22μF
SW1
LT3506
SW2
0.22μF
2.2μF
L2
4.7μH
V OUT2
5V
1.5A
18.7k
69.8k
0.6A
D1
1500pF
FB1
V C1
FB2
V C2
1500pF
D2
47μF
15k
15k
15k
13.3k
22μF
RUN/SS1
100k
PGOOD
4.7nF
PGOOD2 RUN/SS2
PGOOD1
GND
2.2nF
3506 TA03
D1: ON SEMICONDUCTOR MBRS230LT3
D2: ON SEMICONDUCTOR MBRM130LT3
D3: BAT-54A
D4: ON SEMICONDUCTOR MBR0530
L1: COILCRAFT MSS6122-472
L2: COILTRONICS CTX5-1A
I OUT3 SHOULD NEVER EXCEED 1/2 OF I OUT2 .
SEE DESIGN NOTE 100 FOR DETAILS ON
GENERATING DUAL OUTPUTS USING A BUCK
REGULATOR.
3506afc
19
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