isl6551irec Intersil Corporation, isl6551irec Datasheet - Page 6

• Manufacturer Part Number: isl6551irec
• Description: Zvs Full Bridge Pwm Controller
• Manufacturer: Intersil Corporation

Electrical Specifications
Maximum Lower Saturation Voltage
RAMP ADJUST (R_RA) (Note 3)
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 3)
SOFT-START (CSS)
Charge Current
Discharge Current
Cycle-by-Cycle Current Limit
DRIVERS (UPPER1, UPPER2, LOWER1, LOWER2)
Maximum Capacitive Load (each)
Turn-On Rise Time
Turn-Off Fall Time
Shutdown Delay (Note 3)
Rising Edge Delay (Note 3)
Falling Edge Delay (Note 3)
Vsat_sourcing
Vsat_sinking
SYNCHRONOUS SIGNALS (SYNC1, SYNC2)
Maximum Capacitive Load
PROGRAMMABLE DELAYS (RESDLY, LEB) (Note 3)
Resonant Delay Adjust Range
Resonant Delay
Leading Edge Blanking Adjust Range
Leading Edge Blanking
LATCHING SHUTDOWN (LATSD)
Fault Threshold
Fault_NOT Threshold
Time to Set latch (Note 3)
ON/OFF (ONOFF)
Turn-off Threshold
Turn-on Threshold
PARAMETER
6
These specifications apply for VDD = VDDP = 12V and T
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. (Continued)
Vsat_high Sourcing 20mA
SYMBOL
Vsat_low
t
Vsatlow
Vclamp
RESDLY
IpkThr
IpkDel
VINN
t
OFF
LVR
t
Idis
t
VIN
t
t
LEB
SET
ON
Iss
CL
SD
RD
FD
F
t
t
r
f
ISL6551IREC
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
1.0nF Capacitive load
1.0nF Capacitive load
Sourcing 200mA
Sinking 20mA
Sinking 200mA
VDD = 12, F = 1MHz
(Figure 7)
R_RESDLY = 10k
R_RESDLY = 120k
(Figure 8)
R_LEB = 20k
R_LEB = 140k
R_LEB = 12V
TEST CONDITIONS
A
= 0°C to +85°C, Unless Otherwise Stated.
1600
1.25
MIN
100
1.6
20
50
50
8
2
3
2
1.263
TYP
14.5
16.4
13.7
250
488
302
415
8.9
6.4
50
25
75
55
64
0
0.035
September 2, 2008
MAX UNITS
1000
1.31
1.00
1.35
0.31
125
500
300
5.2
1.9
0.8
12
16
10
8
FN6762.0
kHz
mV
mV
mV
mA
μA
pF
pF
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
%
V
V
V
V
V
V
V
V
V
V