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NCV8518APDG

P1-P3P4-P6P7-P9P10-P12P13-P13
NCV8518A
http://onsemi.com
7
TIMING DIAGRAMS
V
IN
, ENABLE
RESET
Wake Up
WDI
V
OUT
POR
RESET Delay Time
RESET
High
to Wake Up
Delay Time
Wake Up Period
POR
RESET
Wake Up
WDI
V
IN
, ENABLE
RESET Threshold
POR
V
OUT
Decreasing
Power Down
Wake Up
Period
Figure 2. Power Up, Sleep Mode and Normal Operation
V
IN
, ENABLE
RESET
Wake Up
WDI
V
OUT
Wake Up
Duty Cycle = 50%
Power Up Microprocessor
Sleep Mode
Normal Operation with Varying Watchdog Signal
RESET
High
to Wake Up
Delay Time
POR
Wake Up Duty Cycle will be 50% when the WDI
pulse occurs at the low state of the Wake Up Signal.
Figure 3. Error Condition: Watchdog Remains Low and a RESET is Issued
V
OUT
Min WDI falling
edge delay after
Wake Up rising
edge
Wake Up
Response to Reset
Wake Up
Response to
WDI
Figure 4. Power Down, Restart Sequence, and Wake Up Response to WDI
NCV8518A
http://onsemi.com
8
TYPICAL PERFORMANCE CHARACTERISTICS
−50
OUTPUT VOLTAGE (V)
4.9
T
J
, TEMPERATURE (°C)
5.0
5.1
0 50 100 150
Figure 5. Output Voltage vs. Temperature
OUTPUT VOLTAGE (V)
4.99
INPUT VOLTAGE (V)
5.01
5.00
51015202530
Figure 6. Output Voltage vs. Input Voltage
−50
POR DELAY (ms)
2.7
T
J
, TEMPERATURE (°C)
3.0
3.1
3.2
3.3
2.9
2.8
0 50 100 150
Figure 7. POR Delay vs. Temperature, 60 kW Rdelay
−50
POR DELAY (ms)
5.6
T
J
, TEMPERATURE (°C)
6.2
6.4
6.0
5.8
0 50 100 150
Figure 8. POR Delay vs. Temperature, 120 kW Rdelay
Figure 9. Stability Region of Capacitive ESR vs.
Output Current
5 mA Load
25°C
60 kW Rdelay
Figure 10. Wakeup Period vs. Temperature
120 kW Rdelay
0
ESR (W)
0.1
OUTPUT CURRENT (mA)
100
1000
10000
10025 50 75
UNSTABLE
REGION
STABLE REGION,
ALL CAP VALUES
0.1 mF UNSTABLE
100 mF
0.1 − 10 mF
1
10
−50
WAKEUP PERIOD (ms)
23
T
J
, TEMPERATURE (°C)
25
26
27
24
0 50 100 150
60 kW Rdelay
NCV8518A
http://onsemi.com
9
TYPICAL PERFORMANCE CHARACTERISTICS
WAKEUP PERIOD (ms)
RDelay (kW)
POR DELAY (ms)
Figure 11. Wakeup Period vs. RDelay Figure 12. POR Delay vs. RDelay
0
OUTPUT VOLTAGE (V)
0
INPUT VOLTAGE (V)
123
4
0
V
OUT
TRANSIENT (mV)
0
SWITCHING CURRENT (mA)
50 100 150 200
Figure 13. Output Voltage vs. Input Voltage,
5 mA Load
Figure 14. Load Transient Response
6
1
2
3
4
5
6
250
10
20
30
40
50
60
100 mF, 0.12 ESR
−40°C
0
DROPOUT VOLTAGE (mV)
0
LOAD CURRENT (mA)
50 100 150 0
QUIESCENT CURRENT (mA)
LOAD CURRENT (mA)
50
Figure 15. Dropout Voltage vs. Output Current Figure 16. Quiescent Current vs. Output Current
100
200
300
400
700
125°C
25°C
150
96
98
102
−40°C
125°C
25°C
100
104
5
22 mF, 0.20 ESR
4.7 mF, 0.32 ESR
500
600
100
0
50
100
150
200
250
0 100 200 300 400 500
0
5
10
15
20
25
30
0 100 200 300 400 500
RDelay (kW)
P1-P3P4-P6P7-P9P10-P12P13-P13

NCV8518APDG

Mfr. #:
Buy NCV8518APDG
Manufacturer:
ON Semiconductor
Description:
LDO Voltage Regulators LINEAR VLT REGULATOR
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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