ncp5901b ON Semiconductor, ncp5901b Datasheet - Page 5

• Manufacturer Part Number: ncp5901b
• Description: Ncp5901b Vr12 Compatible Synchronous Buck Mosfet Drivers
• Manufacturer: ON Semiconductor

3. Guaranteed by design; not production tested.
Table 4. ELECTRICAL CHARACTERISTICS
4.5 V < BST−SWN < 13.2 V, 4.5 V < BST < 30 V, 0 V < SWN < 21 V)
Table 5. DECODER TRUTH TABLE
HIGH SIDE DRIVER (VCC = 5 V)
LOW SIDE DRIVER (VCC = 12 V)
LOW SIDE DRIVER (VCC = 5 V)
EN INPUT
SW Node
DRVH Pull Down Resistance
Output Impedance, Sourcing Current
Output Impedance, Sinking Current
DRVL Rise Time tr
DRVL Fall Time tf
DRVL Turn−Off Propagation Delay
tpdl
DRVL Turn−On Propagation Delay
tpdh
DRVL Pull Down Resistance
Output Impedance, Sourcing Current
Output Impedance, Sinking Current
DRVL Rise Time tr
DRVL Fall Time tf
DRVL Turn−Off Propagation Delay
tpdl
DRVL Turn−On Propagation Delay
tpdh
DRVL Pull Down Resistance
Input Voltage High
Input Voltage Low
Hysteresis
Normal Mode Bias Current
Enable Pin Sink Current
Propagation Delay Time
SW Node Leakage Current
Zero Cross Detection Threshold Voltage
PWM High
PWM Mid
PWM Mid
PWM Low
DRVL
DRVL
DRVL
DRVL
PWM INPUT
Parameter
DRVL
DRVL
DRVL
DRVL
DRVH to SW, BST−SW = 0 V
C
C
C
C
DRVL to PGND, VCC = PGND
C
C
C
C
DRVL to PGND, VCC = PGND
SW to −20 mV, ramp slowly until BG goes off
(Start in DCM mode) (Note 3)
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
LOAD
(
= 3 nF
= 3 nF
= 3 nF
= 3 nF
= 3 nF
= 3 nF
= 3 nF
= 3 nF
Unless otherwise stated: −10°C < T
Positive current through the inductor
Zero current through the inductor
http://onsemi.com
Test Conditions
ZCD Reset
ZCD Reset
5
ZCD
A
< +125°C; 4.5 V < V
Min.
8.0
2.0
−1
4
DRVL
High
High
Low
Low
CC
Typ.
500
2.0
0.8
4.5
2.4
< 13.2 V,
45
16
11
45
30
22
27
12
45
20
−6
Max.
3.5
1.8
1.0
35
20
35
30
30
40
20
1
DRVH
High
Low
Low
Low
Units
mV
mA
mV
kW
kW
kW
mA
mA
ns
ns
ns
ns
ns
ns
ns
ns
ns
W
W
W
W
V
V