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参数资料
| 型号： | ZLDO1117K18TC |
| 厂商： | Diodes Inc |
| 文件页数： | 3/14页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 1.8V 1A TO252-3 |
| 产品变化通告： | Bond Wire Change 14/Sept/2011 |
| 标准包装： | 1 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 1.8V |
| 输入电压： | 最高 18V |
| 电压 - 压降（标准）： | 1.11V @ 1A |
| 稳压器数量： | 1 |
| 电流 - 输出： | 1A（最小值） |
| 电流 - 限制（最小）： | 1.1A |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-252-3，DPak（2 引线+接片），SC-63 |
| 供应商设备封装： | TO-252-3 |
| 包装： | 标准包装 |
| 产品目录页面： | 1476 (CN2011-ZH PDF) |
| 其它名称： | ZLDO1117K18DIDKR |
A Product Line of
Diodes Incorporated
ZLDO1117
Recommended Operating Conditions (@T A = +25°C, unless otherwise specified.)
Symbol
V IN
I O
T J
Parameter
Input voltage
Output current
Operating Junction Temperature Range (Note 5)
Min
2.7 (Note 8)
0.01
-40
Max
18
1
+125
Unit
V
A
°C
Package Thermal Data
Thermal Resistance
Junction-to-Ambient, θ JA
Junction-to-Case, θ JC
Package
SOT223 (Note 6)
TO252 (Note 7)
SOT223 (Note 6)
TO252 (Note 7)
Rating
107
73
16
12
Unit
°C/W
°C/W
Notes:
5. ZLDO1117 contains an internal thermal limiting circuit that is designed to protect the regulator in the event that the maximum junction temperature
exceeded. When activated, typically at 150°C, the regulator Output switches off and then back on as the die cools.
6. Test condition for SOT223: T A = +27°C, no air flow, device mounted on 2”X2” polyimide PCB, 2 oz copper, 5.6mmX5.6mm pad.
7. Test condition for TO252: T A = +27°C, no air flow, device mounted on 2”X2” polyimide PCB, 1 oz copper, 2cmX2cm pad.
8. Ensures correct operation without entering dropout. Device will continue to operate below this minimum input voltage under dropout conditions.
Electrical Characteristics (@T A = +25°C, unless otherwise specified.)
Parameter
Conditions
(V IN -V OUT ) = 2V, I O = 10mA
T A
25
Min
1.238
Typ
1.250
Max
1.263
Unit
Reference Voltage
ZLDO1117-ADJ
V OUT +1.4V < V IN < 10V,
10mA < I O < 1A
FT
1.225
1.275
V
ZLDO1117-1.2
ZLDO1117-1.5
I O = 10mA, V IN = 3.2V
10mA< I O < 1A, 2.7V <V IN < 12V
I O = 10mA, V IN = 3.5V
0 < I O < 1A, 2.9V <V IN < 12V
25
FT
25
FT
1.188
1.176
1.485
1.470
1.200
1.500
1.212
1.224
1.515
1.530
V
V
Output Voltage
Line Regulation
ZLDO1117-1.8
ZLDO1117-2.5
ZLDO1117-3.3
ZLDO1117-5.0
ZLDO1117-ADJ
ZLDO1117-1.2
ZLDO1117-xx
I O = 10mA, V IN = 3.8V
0 < I O < 1A, 3.2V <V IN < 12V
I O = 10mA, V IN = 4.5V
0 < I O < 1A, 3.9V <V IN < 12V
I O = 10mA, V IN = 5.3V
0 < I O < 1A, 4.7V <V IN < 12V
I O = 10mA, V IN = 7V
0 < I O < 1A, 6.4V <V IN < 12V
I O = 10mA,
V OUT +1.5V<V IN <12V
I O = 0mA,
V OUT +1.5V<V IN <12V
25
FT
25
FT
25
FT
25
FT
25
FT
25
FT
1.782
1.764
2.475
2.450
3.267
3.235
4.95
4.900
1.800
2.500
3.300
5.000
1.818
1.836
2.525
2.550
3.333
3.365
5.05
5.100
0.1
0.2
0.1
0.2
V
V
V
V
%
%
Notes:
9. See thermal regulation specifications for changes in output voltage due to heating effects. Line and load regulation are measured at a constant
junction temperature by low duty cycle pulse testing. Load regulation is measured at the output lead = 1/18” from the package.
10. Line and load regulation are guaranteed up to the maximum power dissipation of 15W. Power dissipation is determined by the difference between input
and output differential and the output current. Guaranteed maximum power dissipation will not be available over the full input/output range.
ZLDO1117
Document number: DS32018 Rev. 6 - 2
3 of 14
July 2012
? Diodes Incorporated
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