ISL6551EVAL1 Intersil, ISL6551EVAL1 Datasheet - Page 7

• Manufacturer Part Number: ISL6551EVAL1
• Description: EVALUATION BOARD ISL6551
• Manufacturer: Intersil

Specifications of ISL6551EVAL1

• Main Purpose: DC/DC, Step Down
• Outputs And Type: 1, Isolated
• Voltage - Output: 3.3V
• Current - Output: 60A
• Voltage - Input: 36 ~ 75V
• Regulator Topology: Buck
• Frequency - Switching: 470kHz
• Board Type: Fully Populated
• Utilized Ic / Part: ISL6551
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

Electrical Specifications
Vsat_sinking (ISL6551IB)
Vsat_sinking (ISL6551AB)
SYNCHRONOUS SIGNALS (SYNC1, SYNC2)
Maximum capacitive load (each)
PROGRAMMABLE DELAYS (RESDLY, LEB) (Note 4)
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 4)
ON/OFF (ONOFF)
Turn-off Threshold
Turn-on Threshold
CURRENT SHARE (SHARE, CS_COMP) (Note 4)
Voltage Offset Between Error Amp
Voltage of Master and Slave
Maximum Source Current To
External Reference
Maximum Correctable Deviation In
Reference Voltage Between Master
and Slave
Share/Adjust Loop Bandwidth
DC OK (DCOK)
Sink Current
Saturation Voltage
Input Reference
Threshold (relative to Vref_in)
Recovery (relative to Vref_in)
Threshold (relative to Vref_in)
Recovery (relative to Vref_in)
Transient Rejection (Note 4)
NOTE:
4. Guaranteed by design. Not 100% tested in production.
PARAMETER
7
These specifications apply for VDD = VDDP = 12V and T
(ISL6551AB), Unless Otherwise Stated (Continued)
V
Ics_source
Vcs_offset
SYMBOL
Vsat_low
Vsat_low
t
SATDCOK
RESDLY
CS BW
Vref_in
I
TSET
VINN
DCOK
t
OFF
TRej
VIN
LEB
ON
OV
OV
UV
UV
VDD = 12, F = 1MHz
(Figure 11)
(Figure 11)
(Figure 11)
Sinking 20mA
Sinking 200mA
Sinking 20mA
Sinking 200mA
(Figure 7)
R_RESDLY = 10K
R_RESDLY = 120K
(Figure 8)
R_LEB = 20K
R_LEB = 140K
R_LEB = 12V
SHARE = 30K
SHARE = 30K
SHARE = 30K, Rsource = 1K,
OUTPUT REFERENCE = 1 to 5V,
(See Figure 10)
CS_COMP = 0.1µF
I
(Figure 11)
100mV transient on Vout (system implicit rejection
and feedback network dependence (Figure 12)
DCOK
= 5mA
ISL6551
TEST CONDITIONS
A
= 0°C to 85°C (ISL6551IB) or -40°C to 105°C
MIN
20
50
50
3
2
1
TYP
488
302
415
190
190
500
250
55
64
30
-5
-3
0
5
3
0.035
MAX
0.31
0.04
500
300
0.5
1.9
0.8
0.4
5
5
January 3, 2006
UNITS
FN9066.5
mV
mV
mA
µA
Hz
pF
µs
ns
ns
ns
ns
ns
ns
ns
ns
%
%
%
%
V
V
V
V
V
V
V
V
V
V