ncv8508b ON Semiconductor, ncv8508b Datasheet - Page 4

• Manufacturer Part Number: ncv8508b
• Description: Ncv8508b 5.0 V, 250 Ma Ldo With Watchdog And Reset
• Manufacturer: ON Semiconductor

ELECTRICAL CHARACTERISTICS
unless otherwise specified.)
OUTPUT
RESET
WATCHDOG INPUT
WAKEUP OUTPUT (V
DELAY
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.
Output Voltage
Dropout Voltage (V
Load Regulation
Line Regulation
Current Limit
Thermal Shutdown
Quiescent Current
Threshold
Output Low
Output High
Delay Time
Threshold High
Threshold Low
Hysteresis
Input Current
Pulse Width
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
Output Voltage
Characteristic
IN
− V
IN
OUT
= 14 V, I
NCV85081B
NCV85081B
NCV85081B
)
OUT
5.0 V
5.0 V
5.0 V
= 5.0 mA)
(−40°C ≤ T
I
V
6.0 V ≤ V
Guaranteed by Design
V
R
R
R
R
V
V
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)
See Figures 4 and 5, R
See Figures 4 and 5, R
See Figure 3
R
50% Wakeup edge
R
(see Figures 3 and 4)
50% WDI falling edge to
50% Wakeup falling edge
50% RESET falling edge to
50% Wakeup falling edge
V
R
R
R
R
I
OUT
DELAY
IN
IN
IN
IN
OUT
LOAD
LOAD
LOAD
LOAD
DELAY
DELAY
LOAD
LOAD
LOAD
LOAD
= 14 V, 100 mA ≤ I
= 12 V, I
= 14 V, R
= 14 V, R
= 150 mA. Note 4
= V
= 50 mA. Note 5
= 10 k to V
= 5.1 k to V
= 10 k to GND
= 5.1 k to GND
= 10 k to V
= 5.1 k to V
= 10 k to GND
= 5.1 k to GND
= 60 k, 50% RESET rising edge to
= 120 k
IN
J
OUT_NOM
≤ 125°C; 6.0 V ≤ V
≤ 28 V, I
OUT
Delay
Delay
Test Conditions
http://onsemi.com
= 150 mA, (see Figure 6)
OUT
OUT
= 60 k, I
= 120 k, I
OUT
OUT
−> 90% of V
OUT
OUT
, V
, V
−
−
−
−
−
−
, V
, V
DELAY
DELAY
= 5.0 mA
OUT
OUT
OUT
OUT
4
≤ 150 mA
OUT
OUT
≥ 1.0 V
≥ 1.0 V
IN
≥ 1.0 V
≥ 1.0 V
= 60 k
= 120 k
= 5.0 mA
OUT_NOM
≤ 28 V, 100 mA ≤ I
= 5.0 mA
V
V
V
V
OUT
OUT
OUT
OUT
OUT
4.85
4.50
Min
250
150
2.0
5.0
9.0
70
18
45
−
−
−
−
−
−
−
−
−
−
−
−
−
−
−
− 0.5
− 1.0
− 0.5
− 1.0
≤ 150 mA, C
V
V
V
V
OUT
OUT
OUT
OUT
5.00
4.65
12.5
1.25
Typ
450
400
180
100
100
5.0
5.0
0.2
0.4
3.0
6.0
0.1
0.1
0.1
0.2
0.4
25
50
50
25
2
−
−
−
− 0.25
− 0.25
− 0.5
− 0.5
= 1.0 mF, R
Max
5.15
4.80
900
210
150
+10
0.4
0.8
4.0
5.0
5.0
0.4
0.8
Delay
30
50
30
32
55
16
−
−
−
−
−
−
−
−
−
−
= 60 k;
%V
%V
Unit
mV
mV
mV
mA
mV
ms
ms
ms
ms
ms
ms
°C
mA
mA
ms
ms
ms
%
V
V
V
V
V
V
V
OUT
OUT