ISL8843_06 INTERSIL [Intersil Corporation], ISL8843_06 Datasheet - Page 5

• Manufacturer Part Number: ISL8843_06
• Description: Industry Standard Single-Ended Current Mode PWM Controller
• Manufacturer: INTERSIL [Intersil Corporation]

Electrical Specifications
NOTES:
Electrical Specifications
FB Input Bias Current
COMP Sink Current
COMP Source Current
COMP VOH
COMP VOL
PSRR
OSCILLATOR
Frequency Accuracy
Frequency Variation with V
Temperature Stability
Amplitude, Peak to Peak
RTCT Discharge Voltage (Valley Voltage)
Discharge Current
OUTPUT
Gate VOH
Gate VOL
Peak Output Current
Rise Time
Fall Time
GATE VOL UVLO Clamp Voltage
PWM
Maximum Duty Cycle
Minimum Duty Cycle
UNDERVOLTAGE LOCKOUT
START Threshold
STOP Threshold
Hysteresis
Startup Current, I
Operating Current, I
Operating Supply Current, I
REFERENCE VOLTAGE
Overall Accuracy
3. Specifications at -40°C and 105°C are guaranteed by 25°C test with margin limits.
4. This is the V
5. Guaranteed by design, not 100% tested in production.
DD
DD
PARAMETER
current consumed when the device is active but not switching. Does not include gate drive current.
PARAMETER
DD
DD
D
5
ISL8843A -
Typical Application schematic. V
are at T
ISL8843M
Typical Application schematic. V
are at T
A
A
= 25°C (Continued)
= 25°C
- Recommended operating conditions unless otherwise noted. Refer to Block Diagram and
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and
V
V
V
V
V
Frequency = 120Hz, V
18V (Note 5)
Initial, T
T
(Note 5)
Static Test
Static Test
RTCT = 2.0V
V
OUT - GND, I
C
C
C
VDD = 5V, I
COMP = VREF
COMP = GND
V
(Note 7)
Includes 1nF GATE loading
Over line (V
temperature
A
FB
COMP
COMP
FB
FB
DD
DD
OUT
OUT
OUT
= 25°C, (F
= 0V
= 2.3V
= 2.7V
- OUT, I
< START Threshold
= 1nF (Note 5)
= 1nF (Note 5)
= 1nF (Note 5)
TEST CONDITIONS
TEST CONDITIONS
A
= 1.5V, V
= 1.5V, V
= 25°C
ISL8843
DD
LOAD
DD
DD
OUT
30V
OUT
= 12V to 18V), load,
= 15V, RT = 10kΩ, CT = 3.3nF, T
= 15V, RT = 10kΩ, CT = 3.3nF, T
- F
FB
FB
= -200mA
= 1mA
= 200mA
9V
= 2.7V
= 2.3V
DD
)/F
30V
= 12V to
4.900
MIN
4.80
93.5
MIN
-1.0
-0.4
1.0
0.4
6.5
8.0
7.3
60
48
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
A
A
= -40 to 105°C (Note 3) Typical values
= -55 to 125°C (Note 6), Typical values
5.000
TYP
1.75
TYP
4.75
-0.2
0.2
1.0
7.8
1.0
1.0
1.0
8.4
7.6
0.8
2.9
80
51
20
20
95
90
-
-
-
-
-
-
-
VREF
5.050
MAX
MAX
125
1.0
1.0
1.0
8.5
2.0
2.0
1.2
9.0
8.0
4.0
5.5
53
40
40
5
0
-
-
-
-
-
-
-
-
January 3, 2006
UNITS
UNITS
kHz
mA
mA
mA
mA
mA
µA
dB
µA
ns
ns
%
%
%
%
FN9238.1
V
V
V
V
V
V
A
V
V
V
V
V