HV9901
Electrical Characteristics
(TA = 25°C, unless otherwise specified)
Symbol Parameters
Min
Typ
Max
Unit
Conditions
Oscillator
20
80
25
35
kHz
kHz
RT = 1.00MΩ
RT = 226KΩ
fOSC
PWM Oscillator Frequency
100
170
140
Temperature Coefficient
ppm/°C TA= -40°C to +85°C
fSYNC
Oscillator Sync Frequency
150
55
kHz
SYNC
SYNC
VSYNC
Sync. Input/Output Sourcing Current
Sync. Input/Output Sinking Current
Sync Input Logic Low Voltage
20
µA
1.0
mA
V
VSYNC = 0.1V
1.0
PWM
DMAX
DMAX
PMIN
Maximum Duty Cycle
96.5
86.5
100
99.5
97.5
200
%
%
RT = 1.00MΩ
RT = 225KΩ
Maximum Duty Cycle
Minimum Output Pulse Width
nsec
MOSFET Driver Output
VGTH
VGTL
tR
Gate Drive Output High
Gate Drive Output Low
Rise Time
VDD – 0.3
V
IOUT = 10 mA
IOUT = -10 mA
CGT = 500pF
CGT = 500pF
0.3
50
50
V
30
30
nsec
nsec
tF
Fall Time
Current Sensing
VCS(HL) Current Sense Voltage, high limit
tDELAY(HL) Current limit delay to GT high limit
0.775
0.833
200
25
0.891
250
V
ns
nA
mV
ns
V
VCS = 0.88 Volts
ICS
Input Bias Current
1000
±60
POL=LOW, ENI=LOW
VOS
Low limit comparator input offset voltage
tDELAY(LL) Current limit delay to GT, low limit
VHOLD/DEL Hold/Delay output voltage
200
25
250
VCS=0.47V, VHOLD=0.417V
VDD -0.4
IHOLD/DEL (Sourcing)-100µA,
POL=LOW, ENI=HIGH
IHOLD/DEL Hold Delay Input Bias Current
500
nA
POL=LOW, ENI=LOW
3
SUPERTEX [ Supertex, Inc ]
