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| 型号： | NCV8508D2T50G |
| 厂商： | ON Semiconductor |
| 文件页数： | 4/26页 |
| 文件大小： | 0K |
| 描述： | IC REG LDO 5V D2PAK-7 |
| 产品变化通告： | Product Discontinuance Notice 25/Mar/2011 |
| 标准包装： | 50 |
| 稳压器拓扑结构： | 正，固定式 |
| 输出电压： | 5V |
| 输入电压： | 最高 45 V |
| 电压 - 压降（标准）： | 0.45V @ 150mA |
| 稳压器数量： | 1 |
| 电流 - 限制（最小）： | 250mA |
| 工作温度： | -40°C ~ 125°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | TO-263-8，D²Pak（7 引线+接片），TO-263CA |
| 供应商设备封装： | D2PAK-7 |
| 包装： | 管件 |
NCV8508
ELECTRICAL CHARACTERISTICS ( ? 40 ° C ≤ T J ≤ 125 ° C; 6.0 V ≤ V IN ≤ 28 V, 100 m A ≤ I OUT ≤ 150 mA, C 2 = 1.0 m F, R Delay = 60 k;
unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
OUTPUT
Output Voltage
Dropout Voltage (V IN ? V OUT )
Load Regulation
Line Regulation
Current Limit
Thermal Shutdown
Quiescent Current
?
I OUT = 150 mA. Note 4
V IN = 14 V, 100 m A ≤ I OUT ≤ 150 mA
6.0 V ≤ V IN ≤ 28 V, I OUT = 5.0 mA
?
Guaranteed by Design
V IN = 12 V, I OUT = 150 mA, (see Figure 6)
4.85
?
?
?
250
150
?
5.00
450
5.0
5.0
400
180
100
5.15
900
30
50
?
210
150
V
mV
mV
mV
mA
° C
m A
RESET
Threshold
Output Low
Output High
Delay Time
?
R LOAD = 10 k to V OUT , V OUT ≥ 1.0 V
R LOAD = 5.1 k to V OUT , V OUT ≥ 1.0 V
R LOAD = 10 k to GND
R LOAD = 5.1 k to GND
V IN = 14 V, R Delay = 60 k, I OUT = 5.0 mA
V IN = 14 V, R Delay = 120 k, I OUT = 5.0 mA
4.50
?
V OUT ? 0.5
V OUT ? 1.0
2.0
?
4.65
0.2
0.4
V OUT ? 0.25
V OUT ? 0.5
3.0
6.0
4.80
0.4
0.8
?
4.0
?
V
V
V
ms
ms
WATCHDOG INPUT
Threshold High
Threshold Low
Hysteresis
Input Current
Pulse Width
?
?
?
WDI = 6.0 V
50% WDI falling edge to
50% WDI rising edge and
50% WDI rising edge to
50% WDI falling edge, (see Figure 5)
70
?
?
?
5.0
?
?
100
0.1
?
?
30
?
+10
?
%V OUT
%V OUT
mV
m A
m s
WAKEUP OUTPUT (V IN = 14 V, I OUT = 5.0 mA)
Wakeup Period
Wakeup Duty Cycle Nominal
RESET HIGH to
Wakeup Rising Delay Time
Wakeup Response to
Watchdog Input
Wakeup Response to RESET
Output Low
Output High
See Figures 4 and 5, R DELAY = 60 k
See Figures 4 and 5, R DELAY = 120 k
See Figure 3
R DELAY = 60 k
50% RESET rising edge to
50% Wakeup edge, R DELAY = 120 k
(see Figures 3 and 4)
50% WDI falling edge to
50% Wakeup falling edge
50% RESET falling edge to
50% Wakeup falling edge.
V OUT = 5.0 V → 4.5 V
R LOAD = 10 k to V OUT , V OUT ≥ 1.0 V
R LOAD = 5.1 k to V OUT , V OUT ≥ 1.0 V
R LOAD = 10 k to GND
R LOAD = 5.1 k to GND
18
?
45
9.0
?
?
?
?
V OUT ? 0.5
V OUT ? 1.0
25
50
50
12.5
25
0.1
0.1
0.2
0.4
V OUT ? 0.25
V OUT ? 0.5
32
?
55
16
?
5.0
5.0
0.4
0.8
?
ms
ms
%
ms
ms
m s
m s
V
V
DELAY
Output Voltage
I DELAY = 50 m A. Note 5
?
1.25
?
V
4. Measured when the output voltage has dropped 100 mV from the nominal value. (see Figure 12)
5. Current drain on the Delay pin directly affects the Delay Time, Wakeup Period, and the RESET to Wakeup Delay Time.
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相关代理商/技术参数 |
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| NCV8508D2T50R4 | 功能描述:低压差稳压器 - LDO 5V 250mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| NCV8508D2T50R4G | 功能描述:低压差稳压器 - LDO ANA 5.0V LDO WD REG RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| NCV8508DW50 | 功能描述:低压差稳压器 - LDO 5V 250mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| NCV8508DW50G | 功能描述:低压差稳压器 - LDO 5V 250mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
| NCV8508DW50R2 | 功能描述:低压差稳压器 - LDO 5V 250mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大输入电压:36 V 输出电压:1.4 V to 20.5 V 回动电压（最大值）:307 mV 输出电流:1 A 负载调节:0.3 % 输出端数量: 输出类型:Fixed 最大工作温度:+ 125 C 安装风格:SMD/SMT 封装 / 箱体:VQFN-20 |
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