HV9901 Ver la hoja de datos (PDF) - Supertex Inc
Número de pieza
componentes Descripción
Fabricante
HV9901 Datasheet PDF : 6 Pages
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Electrical Characteristics
(TA = 25°C, unless otherwise specified)
Symbol Parameters
Oscillator
fOSC
PWM Oscillator Frequency
fSYNC
SYNC
SYNC
VSYNC
Temperature Coefficient
Oscillator Sync Frequency
Sync. Input/Output Sourcing Current
Sync. Input/Output Sinking Current
Sync Input Logic Low Voltage
PWM
DMAX
DMAX
PMIN
Maximum Duty Cycle
Maximum Duty Cycle
Minimum Output Pulse Width
HV9901
Min
Typ
Max
Unit
Conditions
20
25
35
kHz RT = 1.00MΩ
80
100
140
kHz RT = 226KΩ
170
ppm/°C TA= -40°C to +85°C
150
kHz
20
55
µA
1.0
mA
VSYNC = 0.1V
1.0
V
96.5
99.5
%
RT = 1.00MΩ
86.5
97.5
%
RT = 225KΩ
100
200
nsec
MOSFET Driver Output
VGTH
VGTL
tR
tF
Gate Drive Output High
Gate Drive Output Low
Rise Time
Fall Time
VDD – 0.3
30
30
V
IOUT = 10 mA
0.3
V
IOUT = -10 mA
50
nsec CGT = 500pF
50
nsec CGT = 500pF
Current Sensing
VCS(HL) Current Sense Voltage, high limit
tDELAY(HL) Current limit delay to GT high limit
ICS
Input Bias Current
VOS
Low limit comparator input offset voltage
tDELAY(LL) Current limit delay to GT, low limit
VHOLD/DEL Hold/Delay output voltage
IHOLD/DEL Hold Delay Input Bias Current
0.775
0.833
200
25
200
VDD -0.4
25
0.891
250
1000
±60
250
500
V
ns
VCS = 0.88 Volts
nA POL=LOW, ENI=LOW
mV
ns
VCS=0.47V, VHOLD=0.417V
V
IHOLD/DEL (Sourcing)-100µA,
POL=LOW, ENI=HIGH
nA POL=LOW, ENI=LOW
3
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