参数资料
型号: LT3012HFE#PBF
厂商: Linear Technology
文件页数: 13/16页
文件大小: 0K
描述: IC REG LDO ADJ .2A 16-TSSOP
产品培训模块: More Information on LDOs
标准包装: 95
稳压器拓扑结构: 正,可调式
输出电压: 1.24 V ~ 60 V
输入电压: 4 V ~ 80 V
电压 - 压降(标准): 0.36V @ 200mA
稳压器数量: 1
电流 - 输出: 200mA
电流 - 限制(最小): 200mA
工作温度: -40°C ~ 140°C
安装类型: 表面贴装
封装/外壳: 16-TSSOP(0.173",4.40mm)裸露焊盘
供应商设备封装: 16-TSSOP-EP
包装: 管件
LT3012
TYPICAL APPLICATIONS
5V Buck Converter with Low Current Keep Alive Backup
D2
D1N914
V IN
5.5V*
TO 60V
C3
4
V IN
6
BOOST
SW
2
C2
0.33μF
D1
L1 ?
15μH
V OUT
5V
1A/250mA
4.7μF
100V
LT1766
10MQ060N
CERAMIC
15
SHDN
BIAS
10
14
SYNC
GND
FB
V C
12
R1
15.4k
R2
4.99k
+
C1
100μF 10V
SOLID
TANTALUM
1, 8, 9, 16 11
C C
1nF
14
IN
OUT
3
3012 TA03
INCREASE L1 TO 30μH FOR LOAD
OPERATING
CURRENT
11
LT3012
SHDN
ADJ
5
750k
* FOR INPUT VOLTAGES BELOW 7.5V,
SOME RESTRICTIONS MAY APPLY
?
LOW HIGH
GND
1
249k
CURRENTS ABOVE 0.6A AND TO
60μH ABOVE 1A
Buck Converter
Ef?ciency vs Load Current
100
V OUT = 5V
L = 68 μ H
V IN = 10V
90
V IN = 42V
80
70
60
50
0
0.25
0.50
0.75
1.00
1.25
LOAD CURRENT (A)
3012 TA04
3012fd
13
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