NCP81152
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4
Table 4. NCP81152 DRIVER ELECTRICAL CHARACTERISTICS
Unless otherwise stated: −40°C < T
A
< +100°C; VCC = 4.5 V ~ 5.5 V; BST−SW = 4.5 V ~ 5.5 V; BST = 4.5 V ~ 30 V; SWN = 0 V ~ 21 V.
Parameter
Test Conditions Min Typ Max Units
SUPPLY VOLTAGE
VCC1, VCC2 Operation Voltage 4.5 5.5 V
UNDERVOLTAGE LOCKOUT (VCC1, VCC2)
Start Threshold 3.8 4.35 4.5 V
Hysteresis 150 200 250 mV
SUPPLY CURRENT
Normal Mode
I
CC1
+ I
CC2
+ I
BST1
+ I
BST2
EN1, EN2 = 5 V,
PWM1 & PWM2 oscillating at 100 kHz,
C
LOAD
= 3 nF
9.4 mA
Shutdown Mode I
CC1
+ I
CC2
+ I
BST1
+ I
BST2
EN1, EN2 = Gnd
22 40
mA
Standby Current 1 I
CC1
+ I
CC2
+ I
BST1
+ I
BST2
EN1, EN2 = Logic High,
PWM1, PWM2 = Logic Low,
No loading on DRVH1/2 & DRVL1/2
1.8 mA
Standby Current 2 I
CC1
+ I
CC2
+ I
BST1
+ I
BST2
EN1, EN2 = Logic High,
PWM1, PWM2 = Logic High,
No loading on DRVH1/2 & DRVL1/2
2.2 mA
BOOTSTRAP DIODE
Forward Voltage
VCC = 5 V, forward bias current = 2 mA 0.1 0.4 0.6 V
PWM INPUT
Input High
3.4 V
Mid−State 1.3 2.45 V
Input Low 0.7 V
ZCD blanking timer 350 ns
HIGH SIDE DRIVER (DRVH1, DRVH2)
Output Resistance, Sourcing Current
BST − SW = 5 V 0.9 1.7
W
Output Resistance, Sinking Current BST − SW = 5 V 0.7 1.7
W
Rise Time, tr
DRVH
VCC = 5 V, 3 nF load, BST − SW = 5 V 16 25 ns
Fall Time, tf
DRVH
VCC = 5 V, 3 nF load, BST − SW = 5 V 11 18 ns
Turn−Off Propagation Delay, tpdlDRVH C
LOAD
= 3 nF 10 30 ns
Turn−On Propagation Delay, tpdhDRVH C
LOAD
= 3 nF 10 40 ns
SW Pull−Down Resistance SW to PGND 45
kW
DRVH Pull−Down Resistance DRVH to SW, V
BST
−V
SW
= 0 V 45
kW
LOW SIDE DRIVER (DRVL1, DRVL2)
Output Resistance, Sourcing Current
0.9 1.7
W
Output Resistance, Sinking Current 0.4 0.8
W
Rise Time, tr
DRVH
C
LOAD
= 3 nF 16 25 ns
Fall Time, tf
DRVH
C
LOAD
= 3 nF 11 15 ns
Turn−Off Propagation Delay, tpdlDRVH C
LOAD
= 3 nF 10 30 ns
Turn−On Propagation Delay, tpdhDRVH C
LOAD
= 3 nF 5 25 ns
DRVL Pull−Down Resistance DRVL to PGND, VCC = PGND 45
kW
