PWM Doubler/Quad Logic
IR3599/IR3599A
PARAMETER
PWM Input Tri-State Float Voltage
PWM Input Impedance
SYMBOL
VPWM_IN
RPWM
CONDITIONS
MIN
TYP
1.55
4.2
MAX
UNIT
V
PWM_IN = floating
-
-
-
-
kΩ
Minimum Recognized PWM Pulse
Width
Note 1
-
39
-
ns
PWM Output (IR3599A only)
PWM Output High Threshold
PWM Output Low Threshold
Transition Time ― Rise
VOH(PWM)
VOL(PWM)
1.6
-
-
-
2.0
0.4
V
V
CPCB=50pF. Measured from 10% to 90%
PWM output. Note 1
tR(HS)
tF(HS)
tPDH(HS)
tPDL(HS)
-
-
-
-
12.8
7.9
-
-
-
-
ns
ns
ns
ns
Transition Time ― Fall
CPCB=50pF. Measured from 90% to 10%
PWM output. Note 1
Propagation Delay ― Turn-on
Propagation Delay ― Turn-off
Propagation Delay ― Enter Tri-State
Unloaded. Measured from PWM_IN rising
edge to PWM1 rising edge. Note 1
15.3
9.2
Unloaded. Measured from PWM_IN falling
edge to PWM1 falling edge. Note 1
Unloaded. Measured from the edge
PWM_IN enters tri-state to PWM1 high
impedance. Note 1
tPDTS(en)
-
-
10.5
24.3
-
-
ns
ns
Propagation Delay ― Exit Tri-State
Unloaded. Measured from the edge
PWM_IN exits tri-state to PWM1 high or
low. Note 1
tPDTS(dis)
Output Impedance ― Source
Output Impedance ― Sinking
RHS_SOURCE
RHS_SINK
-
-
90
57
-
-
Ω
Ω
PWM Output (IR3599 only)
PWM Output High Threshold
PWM Output Low Threshold
Transition Time ― Rise
VOH(PWM)
VOL(PWM)
2.85
-
-
-
-
V
V
0.4
CPCB=50pF. Measured from 10% to 90%
PWM output. Note 1
tR(HS)
tF(HS)
tPDH(HS)
tPDL(HS)
-
-
-
-
8.4
8.1
-
-
-
-
ns
ns
ns
ns
Transition Time ― Fall
CPCB=50pF. Measured from 90% to 10%
PWM output. Note 1
Propagation Delay ― Turn-on
Propagation Delay ― Turn-off
Propagation Delay ― Enter Tri-State
Unloaded. Measured from PWM_IN rising
edge to PWM1 rising edge. Note 1
10.8
8.6
Unloaded. Measured from PWM_IN falling
edge to PWM1 falling edge. Note 1
Loaded with 5kΩ pull-up and 5kΩ pull-down
resistors. Measured from the edge
PWM_IN enters tri-state to PWM1 enters
tri-state. Note 1
tPDTS(en)
-
-
34.5
23.6
-
-
ns
ns
Propagation Delay ― Exit Tri-State
Loaded with 5kΩ pull-up and 5kΩ pull-down
resistors. Measured from the edge
PWM_IN exits tri-state to PWM1 high or
low. Note 1
tPDTS(dis)
Output Impedance Source
RHS_SOURCE
RHS_SINK
-
-
55
45
-
-
Ω
Ω
Output Impedance ― Sinking
Note 1: Guaranteed by design but not tested in production.
8
www.irf.com | © 2012 International Rectifier
July 02, 2012 | V1.8
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