参数资料
型号: LT1612ES8#TR
厂商: Linear Technology
文件页数: 12/12页
文件大小: 0K
描述: IC REG BUCK SYNC ADJ 0.5A 8SOIC
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: 可调至 0.6V
输入电压: 2 V ~ 5.5 V
PWM 型: 电流模式,混合
频率 - 开关: 800kHz
电流 - 输出: 500mA
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: 8-SOIC(0.154",3.90mm 宽)
包装: 带卷 (TR)
供应商设备封装: 8-SOIC
LT1612
TYPICAL APPLICATIO
5V to 3.3V Converter
Efficiency
V IN
5V
V IN
SHDN
BOOST
SW
C3
0.1 μ F
L1
10 μ H
V OUT
3.3V
85
80
75
V IN = 5V
V OUT = 3.3V
LT1612
20pF
500mA
70
C1
10 μ F
MODE
V C
FB
GND
65
R3
33.2k
C4
680pF
R2
232k
1%
R1
1M
1%
C2
22 μ F
60
55
50
C1: TAIYO-YUDEN LMK325BJ106MN
1612 TA01a
1
10 100
1000
C2: TAIYO-YUDEN LMK325BJ226MN
L1: SUMIDA CD43-100
RELATED PARTS
LOAD CURRENT (mA)
1612 TA01b
LTC 1474
PART NUMBER
?
LT1616
LTC1701
LTC1707
LTC1772
LTC1877/LTC1878
LTC3404
DESCRIPTION
Low I Q Step-Down Switching Regulator
600mA, 1.4MHz Step-Down Regulator in SOT-23
SOT-23 Step-Down Switching Regulator
Monolithic Synchronous Step-Down Switching Regulator
Constant Frequency Step-Down Controller in SOT-23
High Efficiency, Monolithic Synchronous Step-Down Regulator
1.4MHz High Efficiency Monolithic Synchronous Step-Down Reg
COMMENTS
10 μ A I Q , V IN from 3V to 18V, MSOP Package up to 300mA
V IN from 3.6V to 25V, SOT-23 Package
500mA in SOT-23 Package, 1MHz Switching Frequency
500mA, V IN from 2.65V to 8.5V
High Current, High Efficiency: Up to 94%
10 μ A I Q , 2.65 ≤ V IN ≤ 10V, MSOP Package up to 600mA
10 μ A I Q , High Efficiency: up to 95%, MSOP Package
sn1612 1612fs
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX: (408) 434-0507 q www.linear-tech.com
LT/TP 1100 4K ? PRINTED IN USA
? LINEAR TECHNOLOGY CORPORATION 1999
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