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NCP3420
ELECTRICAL CHARACTERISTIC S (Note 4) (V C C = 12 V, T A = 0 ° C to +85 ° C, T J = 0 ° C to +125 ° C unless otherwise noted.)
Characteristic
Symbol
Condition
Min
Typ
Max
Unit
Supply
Supply Voltage Range
Supply Current
V CC
I SYS
?
BST = 12 V, IN = 0 V
4.6
?
?
0.7
13.2
6.0
V
mA
OD Input
Input Voltage High
Input Voltage Low
Hysteresis
Input Current
Propagation Delay Time
V OD_HI
V OD_LO
?
?
t pdlOD
t pdhOD
?
?
?
No internal pull ? up or pull ? down resistors
?
2.0
?
?
? 1.0
1.0
1.0
?
?
400
?
25
25
?
0.8
?
+1.0
45
45
V
V
mV
m A
ns
ns
PWM Input
Input Voltage High
Input Voltage Low
Hysteresis
Input Current
V PWM_HI
V PWM_LO
?
?
?
?
?
No internal pull ? up or pull ? down resistors
2.0
?
?
? 1.0
?
?
500
?
?
0.8
?
+1.0
V
V
mV
m A
High ? Side Driver
Output Resistance, Sourcing Current
Output Resistance, Sinking Current
SW Pulldown Resitance
Output Resistance, Unbiased
Transition Times
Propagation Delay (Note 5)
?
?
?
?
t rDRVH
t fDRVH
t pdhDRVH
t pdlDRVH
V BST ? V SW = 12 V (Note 6)
V BST ? V SW = 12 V (Note 6)
SW to PGND
BST ? SW = 0 V
V BST ? V SW = 12 V, C LOAD = 3.0 nF
(See Figure 3)
V BST ? V SW = 12 V, C LOAD = 3.0 nF
(See Figure 3)
?
?
10
10
?
?
20
10
1.8
1.0
?
?
16
11
30
30
3.0
2.5
55
55
30
25
45
45
W
W
k W
k W
ns
ns
ns
ns
Low ? Side Driver
Output Resistance, Sourcing Current
Output Resistance, Sinking Current
Output Resistance, Unbiased
Timeout Delay
Transition Times
Propagation Delay (Note 5)
?
?
?
?
t rDRVL
t fDRVL
t pdhDRVL
t pdlDRVL
V CC = 12 V (Note 6)
V CC ? PGND = 12 V (Note 6)
V CC = PGND
DRVH ? SW = 0
V BST ? V SW = 12 V, C LOAD = 3.0 nF
(See Figure 3)
V BST ? V SW = 12 V, C LOAD = 3.0 nF
(Note 6, t pdhDRVL Only) (See Figure 3)
?
?
10
?
?
?
15
10
1.8
1.0
?
85
16
11
30
30
3.0
2.5
55
?
30
25
45
45
W
W
k W
ns
ns
ns
ns
ns
Undervoltage Lockout
UVLO Startup
UVLO Shutdown
Hysteresis
?
?
?
?
?
?
3.9
3.7
0.1
4.3
4.1
0.2
4.5
4.3
0.4
V
V
V
Thermal Shutdown
Over Temperature Protection
Hysteresis
?
(Note 6)
(Note 6)
150
?
170
20
?
?
° C
° C
4. All limits at temperature extremes are guaranteed via correlation using standard Statistical Quality Control (SQC).
5. For propagation delays, “t pdh ’’ refers to the specified signal going high; “t pdl ’’ refers to it going low.
6. GBD: Guaranteed by design; not tested in production.
Specifications subject to change without notice.
http://onsemi.com
4
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