ncv890201 ON Semiconductor, ncv890201 Datasheet - Page 5

• Manufacturer Part Number: ncv890201
• Description: Automotive Buck Switching Regulator
• Manufacturer: ON Semiconductor

ELECTRICAL CHARACTERISTICS
for the temperature range −40°C ≤ T
QUIESCENT CURRENT
UNDERVOLTAGE LOCKOUT − VIN (UVLO)
ENABLE (EN)
SOFT−START (SS)
VOLTAGE REFERENCE
ERROR AMPLIFIER
OSCILLATOR
VIN FREQUENCY FOLDBACK MONITOR
1. Not tested in production. Limits are guaranteed by design.
Quiescent Current, shutdown
Quiescent Current, enabled
UVLO Start Threshold
UVLO Stop Threshold
UVLO Hysteresis
Logic Low
Logic High
Input Current
Soft−Start Completion Time
FB Pin Voltage during regulation
FB Bias Current
Transconductance
Output Resistance
COMP Source Current Limit
COMP Sink Current Limit
Minimum COMP voltage
Frequency
Frequency Foldback Threshold
Frequency Foldback Hysteresis
V
V
IN
IN
rising
falling
Parameter
J
≤ 150°C unless noted otherwise, and are guaranteed by test, design or statistical correlation.)
(V
IN
= 4.5 V to 28 V, V
V
V
V
V
I
Symbol
F
V
V
V
I
SOURCE
V
g
UVLOHY
CMPMIN
UVLSTP
V
FBBIAS
UVLSTT
R
SW(HV)
V
I
FLDDN
F
FLDUP
FLDHY
I
I
m(HV)
SINK
ENLO
qSD
qEN
I
t
ENHI
g
FBR
OUT
EN
SS
SW
m
http://onsemi.com
V
IN
EN
V
V
= 13.2 V, V
FB
FB
= 5 V, V
5
COMP shorted to FB
= 0.63 V, V
= 0.97 V, V
4.5 V < V
4.5 V < V
4.5 V < V
20 V < V
20 V < V
20 V < V
20 V < V
4.5 < V
V
V
V
V
Conditions
COMP
V
V
FB
FB
IN
V
FB
BST
IN
IN
EN
= 13.2 V
= 0.97 V
= 0.63 V
= 0.8 V
falling
IN
rising
IN
IN
IN
IN
IN
IN
IN
= V
= 1.3 V
= 0 V, T
COMP
COMP
< 18 V
< 28 V
< 28 V
< 28 V
< 28 V
< 18 V
< 18 V
< 18 V
SW
= 1.3 V
= 1.3 V
+ 3.0 V, C
J
= 25°C
DRV
0.786
0.25
18.4
= 0.1 mF, Min/Max values are valid
Min
4.1
3.9
0.1
0.8
0.8
0.6
0.3
0.2
1.8
0.9
0.2
30
15
30
15
18
8
Typ
1.4
0.8
0.5
1.4
2.0
1.0
0.3
1
0.814
Max
0.75
19.8
150
150
4.5
4.4
0.2
2.0
1.5
0.7
2.2
1.1
0.4
30
75
75
20
5
3
2
1
mmho
MHz
Unit
MW
mA
ms
mA
mA
mA
mA
mA
V
V
V
V
V
V
V
V
V