參數(shù)資料
型號： NCV8508DW50R2
廠商： ON SEMICONDUCTOR
元件分類： 基準電壓源/電流源
英文描述： 5.0 V, 250 mA LDO with Watchdog and RESET
中文描述： 5 V FIXED POSITIVE LDO REGULATOR, 0.9 V DROPOUT, PDSO16
封裝： SOP-16
文件頁數(shù)： 3/12頁
文件大小： 89K
代理商： NCV8508DW50R2
NCV8508
http://onsemi.com
3
ELECTRICAL CHARACTERISTICS
(40
°
C
≤
T
J
≤
125
°
C; 6.0
V
≤
V
IN
≤
28 V, 100 A
≤
I
OUT
≤
150 mA, C
2
= 1.0 F, R
Delay
= 60 k;
unless otherwise specified.)
Characteristic
Test Conditions
Min
Typ
Max
Unit
OUTPUT
Output Voltage
4.85
5.00
5.15
V
Dropout Voltage (V
IN
V
OUT
)
I
OUT
= 150 mA. Note 4
450
900
mV
Load Regulation
V
IN
= 14 V, 100 A
≤
I
OUT
≤
150 mA
5.0
30
mV
Line Regulation
6.0 V
≤
V
IN
≤
28 V, I
OUT
= 5.0 mA
5.0
50
mV
Current Limit
250
400
mA
Thermal Shutdown
Guaranteed by Design
150
180
210
°
C
Quiescent Current
V
IN
= 12 V, I
OUT
= 150 mA, (see Figure 6)
100
150
A
RESET
Threshold
4.50
4.65
4.80
V
Output Low
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
0.2
0.4
0.4
0.8
V
Output High
R
LOAD
= 10 k to GND
R
LOAD
= 5.1 k to GND
V
OUT
0.5
V
OUT
1.0
V
OUT
0.25
V
OUT
0.5
V
Delay Time
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
2.0
3.0
6.0
4.0
ms
ms
WATCHDOG INPUT
Threshold High
70
%V
OUT
Threshold Low
30
%V
OUT
Hysteresis
100
mV
Input Current
WDI = 6.0 V
0.1
+10
A
Pulse Width
50% WDI falling edge to
50% WDI rising edge and
50% WDI rising edge to
50% WDI falling edge, (see Figure 5)
5.0
s
WAKEUP OUTPUT
(V
IN
= 14 V, I
OUT
= 5.0 mA)
Wakeup Period
See Figures 4 and 5, R
DELAY
= 60 k
See Figures 4 and 5, R
DELAY
= 120 k
18
25
50
32
ms
ms
Wakeup Duty Cycle Nominal
See Figure 3
45
50
55
%
RESET HIGH to
Wakeup Rising Delay Time
R
DELAY
= 60 k
50% RESET rising edge to
50% Wakeup edge, R
DELAY
= 120 k
(see Figures 3 and 4)
9.0
12.5
25
16
ms
ms
Wakeup Response to
Watchdog Input
50% WDI falling edge to
50% Wakeup falling edge
0.1
5.0
s
Wakeup Response to RESET
50% RESET falling edge to
50% Wakeup falling edge.
V
OUT
= 5.0 V
→
4.5 V
0.1
5.0
s
Output Low
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
0.2
0.4
0.4
0.8
V
Output High
R
LOAD
= 10 k to GND
R
LOAD
= 5.1 k to GND
V
OUT
0.5
V
OUT
1.0
V
OUT
0.25
V
OUT
0.5
V
DELAY
Output Voltage
I
DELAY
= 50 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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
NCV8508DW50R2G 功能描述:低壓差穩(wěn)壓器 - LDO 5V 250mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
NCV8508PD50 功能描述:低壓差穩(wěn)壓器 - LDO 5V 250mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
NCV8508PD50G 功能描述:低壓差穩(wěn)壓器 - LDO 5V 250mA w/WatchDog Reset RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
NCV8508PD50R2 功能描述:低壓差穩(wěn)壓器 - LDO 5V 250mA w/WatchDog RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
NCV8508PD50R2G 功能描述:低壓差穩(wěn)壓器 - LDO 5V 250mA w/WatchDog Reset RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20
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