ISL6551_15 Datasheet, PDF (6/27 Pages) Intersil Corporation – ZVS Full Bridge PWM Controller

ISL6551
Absolute Maximum Ratings
Supply Voltage VDD, VDDP1, VDDP2 . . . . . . . . . . . . . . . . . . . . . . -0.3 to 16V
Enable Inputs (ON/OFF, LATSD) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . VDD
Power Good Sink Current (I_DCOK). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5mA
ESD Rating
Human Body Model (Per MIL-STD-883 Method 3015.7) . . . . . . . . . . 3kV
Machine Model (Per EIAJ ED-4701 Method C-111) . . . . . . . . . . . . . 250V
Thermal Information
Thermal Resistance (Typical)
_JA (°C/W) _JC (°C/W)
SOIC Package (Note 4) . . . . . . . . . . . . . . . .
55
N/A
Maximum Junction Temperature (Plastic Package) . . . . . . . . . . . .+150°C
Maximum Storage Temperature Range . . . . . . . . . . . . . .-65°C to +150°C
Pb-free Reflow Profile . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . see TB493
Recommended Operating Conditions
Ambient Temperature Range
ISL6551IB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to +85°C
ISL6551AB . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +105°C
Supply Voltage Range, VDD . . . . . . . . . . . . . . . . . . . . . . . . . .10.8V to 13.2V
Supply Voltage Range, VDDP1 and VDDP2. . . . . . . . . . . . . . . . . . . . <13.2V
Maximum Operating Junction Temperature . . . . . . . . . . . . . . . . . . +125°C
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product
reliability and result in failures not covered by warranty.
NOTE:
4. _JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
Electrical Specifications These specifications apply for V_DD = VDDP = 12V and T_A = 0°C to +85°C (ISL6551IB) or -40°C to +105°C
(ISL6551AB), Unless Otherwise Stated.
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY (VDD, VDDP1, VDDP2)
Supply Voltage
VDD
10.8 12.0 13.2
V
Bias Current from VDD (ISL6551IB)
IDD
V_DD = 12V (not including drivers current at VDDP)
5
13
18
mA
Bias Current from VDD (ISL6551AB)
IDD
V_DD = 12V (not including drivers current at VDDP)
3
20
mA
Total Current from VDD and VDDP
ICC
V_DD = VDDP = 12V, F = 1MHz, 1.6nF Load
60
mA
UNDER VOLTAGE LOCKOUT (UVLO)
Start Threshold (ISL6551IB)
Start Threshold (ISL6551AB)
Stop Threshold (ISL6551IB)
Stop Threshold (ISL6551AB)
Hysteresis (ISL6551IB)
Hysteresis (ISL6551AB)
CLOCK GENERATOR (CT, RD)
VDD_ON
VDD_ON
VDD_OFF
VDD_OFF
VDD_HYS
VDD_HYS
9.2
9.6
9.9
V
9.16
9.94
V
8.03
8.6
8.87
V
7.98
8.92
V
0.3
1
1.9
V
0.27
1.93
V
Frequency Range
Dead Time Pulse Width (Note 5)
BANDGAP REFERENCE (BGREF)
F
V_DD = 12V (Figure 5)
DT
V_DD = 12V (Figure 6)
100
1000
kHz
50
1000
ns
Bandgap Reference Voltage
(ISL6551IB)
VREF V_DD = 12V, 399kΩ pull-up, 0.1µF, after trimming
1.250 1.263 1.280
V
Bandgap Reference Voltage
(ISL6551AB)
VREF V_DD = 12V, 399kΩ pull-up, 0.1µF, after trimming
1.244 1.263 1.287
V
Bandgap Reference Output Current
IREF
V_DD = 12V, see Block/Pin Functional Descriptions for
details
100
µA
PWM DELAYS (Note 5)
LOW1, 2 delay “Rising”
LOWR With respect to RESDLY rising
5
ns
LOW1, 2 delay “Falling”
LOWF Compare Delay at Verror = V_ramp
44
ns
SYNC1, 2 delay “Falling”
SYNCF With respect to RESDLY falling and with 20pF load
18
ns
SYNC1,2 delay “Rising”
SYNCR With respect to CLK rising and with 20pF load
20
ns
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6
FN9066.6
April 30, 2015