参数资料
型号: LT3011IDD#TRPBF
厂商: Linear Technology
文件页数: 14/16页
文件大小: 0K
描述: IC REG LDO ADJ 50MA 10-DFN
产品培训模块: LT3011 - 50mA, 3V to 80V Low Dropout Micropower Linear Regulator with PWRGD
More Information on LDOs
标准包装: 2,500
稳压器拓扑结构: 正,可调式
输出电压: 1.24 V ~ 60 V
输入电压: 2.8 V ~ 80 V
电压 - 压降(标准): 0.3V @ 50mA
稳压器数量: 1
电流 - 输出: 50mA
电流 - 限制(最小): 60mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: 10-WFDFN 裸露焊盘
供应商设备封装: 10-DFN(3x3)
包装: 带卷 (TR)
LT3011
TYPICAL APPLICATIONS
5V Buck Converter with Low Current Keep Alive Backup
D2
D1N914
V IN = 10V
V IN
5.5V*
TO 60V
C3
4.7 F
100V
4
V IN
6
BOOST
LT1766
SW
2
C2
0.33 F
D1
10MQ060N
L1 ?
15 H
V OUT
5V
1A/250mA
100
90
Buck Converter
Ef?ciency vs Load Current
V OUT = 5V
L = 68 H
CERAMIC 15
SHDN
BIAS
10
V IN = 42V
14
SYNC
GND
FB
V C
12
R1
15.4k
R2
4.99k
C1
100 F 10V
SOLID
TANTALUM
+
80
70
1, 8, 9, 16 11
C C
1nF
60
INCREASE L1 TO 30 H FOR LOAD
60 H ABOVE 1A.
OPERATING
CURRENT
LOW HIGH
100k
10
8
5
IN
LT3011
SHDN
PWRGD
GND C T
OUT
ADJ
1
2
3011 TA03
750k * FOR INPUT VOLTAGES BELOW 7.5V,
SOME RESTRICTIONS MAY APPLY
?
CURRENTS ABOVE 0.6A AND TO
249k
50
0
0.25
0.50 0.75
LOAD CURRENT (A)
1.00
1.25
3011 TA04
3, 11
6
1000pF
LT3011 PIN NUMBERS ARE FOR
THE DD PACKAGE.
LT3011 Automotive Application
V IN
12V
(FUTURE 42V)
+
1 F
NO PROTECTION
DIODE NEEDED!
IN
LT3011
SHDN
OUT
ADJ
750k
1 F
LOAD: CLOCK,
SECURITY SYSTEM
GND
249k
ETC
OFF ON
LT3011 Telecom Application
V IN
48V
(72V TRANSIENT)
1 F
IN
LT3011
SHDN
OUT
ADJ
750k NO PROTECTION
DIODE NEEDED!
1 F
LOAD:
SYSTEM MONITOR
+
BACKUP
BATTERY
OFF ON
GND
249k
ETC
3011 TA05
3011f
14
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