ISL6617A_14 Datasheet, PDF (7/15 Pages) Intersil Corporation – PWM Doubler with Output Monitoring Feature

ISL6617A
Electrical Specifications These specifications apply for recommended ambient temperature, unless otherwise noted. Boldface limits
apply over the operating temperature range. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
MAX
(Note 6) TYP (Note 6) UNITS
Tri-State to PWM High Rising Threshold
V_VCC = 5V
Tri-State to PWM High Falling Threshold
V_VCC = 5V
Tri-State to PWM Low Rising Threshold
V_VCC = 5V
Tri-State to PWM Low Falling Threshold
V_VCC = 5V
CURRENT SENSE (CSENA, CSENB, IOUT) AND PROTECTION (IOUT)
2.50 2.70 V
2.00 2.25
V
0.95 1.15 V
0.50 0.75
V
Sensed Current Tolerance
I_OUT
CSENA = CSENB = 0µA
CSENA = CSENB = 20µA
-6
0
6
µA
14 20 26
µA
CSENA = CSENB = 50µA
43 50 57
µA
CSENA = CSENB = 100µA
90 100 110 µA
Un-Tri State Trip for OVP
PWM OUTPUT (PWMA AND PWMB)
I_OUT
ENx = LOW TO HIGH, PWM = LOW
40 60 90
µA
Sourcing Impedance
Sink Impedance
PWM Output High Level
PWM Output Low Level
PWM Tri-State Level
SWITCHING TIME (See Figure 1 on page 8)
R_{PWM_SRC} VCC = 5V, PWMIN = HIGH
R_{PWM_SNK} VCC = 5V, PWMIN = LOW
V_PWMA/B VCC = 5V, PWMIN = HIGH, 2.5mA Load
V_PWMA/B VCC = 5V, PWMIN = LOW, 2.5mA Load
V_PWMA/B VCC = 5V, EN_PH = LOW, 0.5mA Load
30 100 200
Ω
30 100 150
Ω
4.5
V
0.4
V
1.65 2.00 2.6
V
PWMA/B Low to High Rise Time
PWMA/B Tri-State to High Rise Time
PWMA/B High to Low Fall Time
PWMA/B High to Tri-state Fall Time
t_R1
Unloaded, 10% to 90%
t_R2
Unloaded, 10% to 90%
t_F1
Unloaded, 90% to 10%
t_F2
100% to 60% (3V), Assume Equivalent Loading of
RC = 50kΩ*10pF = 500ns
4.5
ns
4.5
ns
4.0
ns
255
ns
PWMA/B Turn-on Propagation Delay
t_PDH Outputs Unloaded
35
ns
PWMA/B Turn-off Propagation Delay
t_PDL
Outputs Unloaded, excluding extension
35
ns
PWMA/B Extension
t_EXT
ENx = VCC, I_PWMA > I_PWMB
70
ns
ENx = VCC, I_PWMA < I_PWMB
70
ns
ENx = 80%*VCC, I_PWMA > I_PWMB
190
ns
ENx = 80%*VCC, I_PWMA < I_PWMB
190
ns
Tri-State to High or Low Propagation Delay
t_PTS
Outputs Unloaded, excluding extension
10
ns
Tri-State Shutdown Hold-off Time
t_TSSHD Including Propagation Delay
65
ns
NOTE:
6. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
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7
FN7844.0
December 19, 2014