ISL6551IR-T Intersil, ISL6551IR-T Datasheet - Page 6

• Manufacturer Part Number: ISL6551IR-T
• Description: IC CTRL PWM ZVS FULL BRDG 28-QFN
• Manufacturer: Intersil

Specifications of ISL6551IR-T

• Pwm Type: Current Mode
• Number Of Outputs: 6
• Frequency - Max: 1MHz
• Duty Cycle: 50%
• Voltage - Supply: 10.8 V ~ 13.2 V
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 85°C
• Package / Case: 28-VQFN Exposed Pad, 28-HVQFN, 28-SQFN, 28-DHVQFN
• Frequency-max: 1MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Electrical Specifications
PWM DELAYS (Note 4)
LOW1,2 delay “Rising”
LOW1,2 delay “Falling”
SYNC1,2 delay “Falling”
SYNC1,2 delay “Rising”
ERROR AMPLIFIER (EANI, EAI, EAO) (Note 4)
Unity Gain Bandwidth
DC Gain
Maximum Offset Error Voltage
Input Common Mode Range
Common Mode Rejection Ratio
Power Supply Rejection Ratio
Maximum Output Source Current
Maximum Lower Saturation Voltage
RAMP ADJUST (R_RA) (Note 4)
Ramp Frequency
Linear Voltage Ramp, Minimum
Linear Voltage Ramp, Maximum
Overall Variation
PEAK CURRENT LIMIT (PKILIM)
Peak Current Shutdown Threshold
Peak Current Shutdown Delay
(Note 4)
SOFT-START (CSS)
Charge Current
Discharge Current
Cycle-by-Cycle Current Limit
(ISL6551IB)
Cycle-by-Cycle Current Limit
(ISL6551AB)
DRIVERS (UPPER1, UPPER2, LOWER1, LOWER2)
Maximum Capacitive Load (each)
Turn On Rise Time (ISL6551IB)
Turn On Rise Time (ISL6551AB)
Turn Off Fall Time (ISL6551IB)
Turn Off Fall Time (ISL6551AB)
Shutdown Delay (Note 4)
Rising Edge Delay (Note 4)
Falling Edge Delay (Note 4)
Vsat_sourcing
PARAMETER
6
These specifications apply for VDD = VDDP = 12V and T
(ISL6551AB), Unless Otherwise Stated (Continued)
Vsat_high
SYMBOL
SYNCR
Vsatlow
SYNCF
Vclamp
Vclamp
UGBW
CMMR
LOWR
LOWF
PSSR
IpkThr
IpkDel
ISRC
DCG
Vcm
LVR
T
T
T
Vos
Idis
Iss
CL
Tr
Tr
Tf
Tf
SD
RD
F
FD
With respect to CLK rising and with 20pF load
1.0nF Capacitive load
1.0nF Capacitive load
1.0nF Capacitive load
1.0nF Capacitive load
With respect to RESDLY rising
Compare Delay @ Verror = Vramp
With respect to RESDLY falling and with 20pF load
VDD = 12V
1mA load
Sinking 0.27mA
BGREF = 0.1µF, 399kΩ pull-up
Vcss = 0.6V
VDD = VDDP = 12V, F = 1MHz,
Thermal Dependence
1.0nF Capacitive load
1.0nF Capacitive load
1.0nF Capacitive load
Sourcing 20mA
Sourcing 200mA
ISL6551
TEST CONDITIONS
A
= 0°C to 85°C (ISL6551IB) or -40°C to 105°C
1600
1.25
MIN
100
0.4
1.6
1.9
2
8
2
1.263
TYP
14.5
16.4
13.7
250
8.9
9.2
6.4
44
18
20
10
79
82
95
50
25
75
5
MAX
1000
1.31
1.00
1.35
125
3.1
5.2
8.1
12
16
17
10
12
9
8
January 3, 2006
UNITS
FN9066.5
MHz
kHz
mA
mV
mA
mV
mV
mV
dB
dB
dB
µA
ns
ns
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
V
V
V
V
V
V