参数资料
型号: LT1117IST-5#TR
厂商: Linear Technology
文件页数: 11/16页
文件大小: 0K
描述: IC REG LDO 5V .8A SOT-223
标准包装: 2,000
稳压器拓扑结构: 正,固定式
输出电压: 5V
输入电压: 最高 15V
电压 - 压降(标准): 1.1V @ 800mA
稳压器数量: 1
电流 - 输出: 800mA
电流 - 限制(最小): 800mA
工作温度: -40°C ~ 125°C
安装类型: 表面贴装
封装/外壳: TO-261-4,TO-261AA
供应商设备封装: SOT-223
包装: 带卷 (TR)
LT1117/LT1117-2.85
LT1117-3.3/LT1117-5
TYPICAL APPLICATIONS
Battery Charger
Battery Backed Up Regulated Supply
LT1117
IF
LT1117-5
V IN
IN
1.25V
ADJ
OUT
R S
R1
V OUT
V IN
10μF
+
IN
OUT
GND
50Ω
5.2V LINE
5.0V BATTERY
( )
V OUT – 1.25V 1 + —
( )
–R S 1 + —
( )
ΔV OUT R2
–R S 1 + —
IF =
=
ΔIF 1
R2
R1
R1
R2
R1
1117 TA08
6.5V
SELECT FOR
CHARGE RATE
+
10μF
IN
LT1117-5
OUT
GND
+
100μF
1117 TA09
Improving Ripple Rejection
LT1117
Automatic Light Control
LT1117
+
10μF
1%
V IN IN OUT
ADJ
* C1 IMPROVES RIPPLE
REJECTION. X C SHOULD BE
≈ R1 AT RIPPLE FREQUENCY
R2
365Ω
R1
121Ω
1%
+
+
C1
10μF
5V
150μF
1117 TA10
10μF
+
IN
ADJ
OUT
1.2k
+
100μF
1117 TA11
High Ef?ciency Dual Supply
FEEDBACK PATH
MUR410
3.3V OUTPUT (TYPICAL)
+
470μF
MUR410
IN
LT1117-5
OUT
+5V
0.5A
+
470μF
GND
+
10μF
1N4002
+V IN
MUR410
LT1117-5
SWITCHING
IN
OUT
REGULATOR
+
470μF
GND
+
10μF
1N4002
–5V
0.5A
1117 TA12
1117fd
11
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