6
FN9003.3
February 11, 2005
Absolute Maximum Ratings
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+7V
Input, Output, or I/O Voltage . . . . . . . . . . GND -0.3V to VCC
+ 0.3V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5KV
Recommended Operating Conditions
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V 5%
Ambient Temperature. . . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . 0°C to 125°C
Thermal Information
Thermal Resistance (Typical, Note 1)
JA
(°C/W)
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . . -65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . . 300°C
(SOIC - Lead Tips Only)
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
1.
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 Operating Conditions: VCC = 5V, T
A
= 0°C to 70°C, Unless Otherwise Specified
PARAMETER TEST CONDITIONS MIN TYP MAX UNITS
INPUT SUPPLY POWER
Input Supply Current R
T
= 100k -1015mA
POWER-ON RESET (POR)
VCC Rising Threshold 4.25 4.38 4.5 V
VCC Falling Threshold 3.75 3.88 4.00 V
REFERENCE AND DAC
Reference Voltage Accuracy -1 - 1 %
DAC Pin Input Low Voltage Threshold --0.8V
DAC Pin Input High Voltage Threshold 2.0 - - V
VID Pull-Up VIDx = 0V or VIDx = 3V 10 20 40 A
OSCILLATOR
Frequency, F
SW
R
T
= 100k, 1% 224 280 336 kHz
Adjustment Range (GBD) (Note 2) (See Figure 10) 0.05 - 1.5 MHz
ERROR AMPLIFIER
DC Gain (GBD) (Note 2) R
L
= 10K to GND - 72 - dB
Gain-Bandwidth Product (GBD) (Note 2) C
L
= 100pF, R
L
= 10K to GND - 18 - MHz
Slew Rate C
L
= 100pF, R
L
= 10K to GND - 5.3 - V/s
Maximum Output Voltage R
L
= 10K to GND 3.6 4.1 - V
Minimum Output Voltage R
L
= 10K to GND - 0.16 0.5 V
ISEN
Full Scale Input Current (GBD) (Note 2) -50-A
Overcurrent Trip Level - 82.5 - A
POWER GOOD
Upper Threshold VSEN Rising 0.95 0.97 0.99 V
DAC
Lower Threshold VSEN Falling 0.89 0.91 0.93 V
DAC
PGOOD Low Output Voltage I
PGOOD
= 4mA - 0.18 0.4 V
PROTECTION
Overvoltage Threshold VSEN Rising 1.12 1.15 1.2 V
DAC
Percent Overvoltage Hysteresis (GNT) (Note 3) VSEN Falling after Overvoltage - 2 - %
NOTES:
2. GBD = Guaranteed by design.
3. GNT = Guaranteed not tested.
ISL6554
