0°C < TA < +70°C; 0°C < TJ < +85°C; 8V < VCC1 < 14V; 5V < VCC2 < 14V; DAC Code: VID2 = VID1
=
Electrical Characteristics:
ID0 = 1; VID3 = 0; CVGATE(L) and CVGATE(H) = 1nF; COFF = 330pF; CSS = 0.1µF, unless otherwise specified.
V
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
ꢀ
DAC: continued
VID3 VID2
VID1
VID0
0
0
0
0
0
0
1
1
0
0
0
0
0
0
1
1
0
0
1
0
1
0
1
0
3.0096
3.1086
3.2076
3.3066
3.4056
3.5046
3.0400
3.1400
3.2400
3.3400
3.4400
3.5400
3.0704
3.1714
3.2724
3.3734
3.4744
3.5754
V
V
V
V
V
V
ꢀ VGATE(H) and VGATE(L)
Out SOURCE Sat at 100mA
Out SINK Sat at 100mA
Measure VCC1 – VGATE(L),;VCC2 – VGATE(H)
Measure VGATE(H) – VPGnd;
VGATE(L) – VPGnd
1.2
1.0
2.0
1.5
V
V
Out Rise Time
Out Fall Time
1V < VGATE(H) < 9V; 1V < VGATE(L) < 9V
VCC1 = VCC2 = 12V
30
30
50
50
ns
ns
9V > VGATE(H) > 1V; 9V > VGATE(L) > 1V
VCC1 = VCC2 = 12V
Shoot-Through Current
Note 1
50
50
mA
ns
Delay VGATE(H) to VGATE(L)
VGATE(H) falling to 2V; VCC1 = VCC2 = 8V
VGATE(L) rising to 2V
25
25
Delay VGATE(L) to VGATE(H)
VGATE(L) falling to 2V; VCC1 = VCC2 = 8V
VGATE(H) rising to 2V
50
ns
VGATE(H), VGATE(L) Resistance
VGATE(H), VGATE(L) Schottky
Resistor to LGnd
20
50
100
800
kΩ
LGnd to VGATE(H) @ 10mA
LGnd to VGATE(L) @ 10mA
600
mV
ꢀ Soft Start (SS)
Charge Time
1.6
25
3.3
100
3.3
0.95
1.0
2.5
5.0
200
6.0
1.10
1.1
3.0
ms
ms
%
Pulse Period
Duty Cycle
(Charge Time/Pulse Period) × 100
VFB = 0V; VSS = 0
1.0
0.50
0.9
COMP Clamp Voltage
VFFB SS Fault Disable
High Threshold
V
VGATE(H) = Low; VGATE(L) = Low
V
V
ꢀ PWM Comparator
Transient Response
VFFB = 0 to 5V to VGATE(H) = 9V to 1V;
VCC1 = VCC2 = 12V
100
0.3
125
ns
VFFB Bias Current
VFFB = 0V
µA
ꢀ Supply Current
ICC1
No Switching
8.5
1.6
8
13.5
3.0
13
mA
mA
mA
mA
ICC2
No Switching
Operating ICC1
Operating ICC2
VFB = COMP = VFFB
VFB = COMP = VFFB
2
5
ꢀ COFF
Normal Charge Time
Extension Charge Time
Discharge Current
VFFB = 1.5V; VSS = 5V
VSS = VFFB = 0
1.0
5.0
5.0
1.6
8.0
2.2
µs
µs
11.0
COFF to 5V; VFB >1V
mA
3
CHERRY [ CHERRY SEMICONDUCTOR CORPORATION ]
