ncp5901b ON Semiconductor, ncp5901b Datasheet - Page 4

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

Table 4. ELECTRICAL CHARACTERISTICS
4.5 V < BST−SWN < 13.2 V, 4.5 V < BST < 30 V, 0 V < SWN < 21 V)
SUPPLY VOLTAGE
UNDERVOLTAGE LOCKOUT
SUPPLY CURRENT
BOOTSTRAP DIODE
PWM INPUT
HIGH SIDE DRIVER (VCC = 12 V)
HIGH SIDE DRIVER (VCC = 5 V)
VCC Operation Voltage
Power ON Reset Threshold
VCC Start Threshold
VCC UVLO Hysteresis
Output Overvoltage Trip Threshold at
Startup
Normal Mode
Standby Current
Standby Current
Standby Current
Forward Voltage
PWM Input High
PWM Mid−State
PWM Input Low
ZCD Blanking Timer
Output Impedance, Sourcing Current
Output Impedance, Sinking Current
DRVH Rise Time tr
DRVH Fall Time tf
DRVH Turn−Off Propagation Delay
tpdh
DRVH Turn−On Propagation Delay
tpdl
SW Pull Down Resistance
DRVH Pull Down Resistance
Output Impedance, Sourcing Current
Output Impedance, Sinking Current
DRVH Rise Time tr
DRVH Fall Time tf
DRVH Turn−Off Propagation Delay
tpdh
DRVH Turn−On Propagation Delay
tpdl
SW Pull Down Resistance
DRVH
DRVH
DRVH
DRVH
Parameter
DRVH
DRVH
DRVH
DRVH
Power Startup time, VCC > POR
Icc + Ibst, EN = 5 V, PWM = OSC, Fsw = 100 KHz,
Cload = 3 nF for DRVH, 3 nF for DRVL
Icc + Ibst, EN = GND
I
No loading on DRVH & DRVL
I
No loading on DRVH & DRVL
V
VBST − VSW = 12 V
VBST − VSW = 12 V
V
V
C
C
SW to PGND
DRVH to SW, BST−SW = 0 V
VBST − VSW = 5 V
VBST − VSW = 5 V
V
V
C
C
SW to PGND
CC
CC
CC
VCC
VCC
LOAD
LOAD
VCC
VCC
LOAD
LOAD
+ I
+ I
= 12 V, forward bias current = 2 mA
= 12 V, 3 nF load, VBST−VSW = 12 V
= 12 V, 3 nF load, VBST−VSW = 12 V
= 5 V, 3 nF load, VBST − VSW = 5 V
= 5 V, 3 nF load, VBST − VSW = 5 V
BST
BST
(
= 3 nF
= 3 nF
= 3 nF
= 3 nF
Unless otherwise stated: −10°C < T
, EN = HIGH, PWM = LOW,
, EN = HIGH, PWM = HIGH,
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Test Conditions
4
A
< +125°C; 4.5 V < V
Min.
150
4.5
3.8
2.1
0.1
3.4
1.3
8.0
CC
Typ.
2.75
4.35
2.25
12.2
200
250
0.5
2.1
2.2
0.4
2.0
1.0
4.5
2.9
< 13.2 V,
16
11
45
45
30
27
20
27
45
Max.
13.2
250
3.2
4.5
2.4
1.9
0.6
2.7
0.7
3.5
2.0
30
25
30
30
Units
mV
mA
mA
mA
mA
kW
kW
kW
ns
ns
ns
ns
ns
ns
ns
ns
ns
V
V
V
V
V
V
V
V
W
W
W
W