ISL6721AB Intersil, ISL6721AB Datasheet - Page 6

• Manufacturer Part Number: ISL6721AB
• Description: IC CTRLR PWM SGL-ENDED 16-SOIC
• Manufacturer: Intersil

Specifications of ISL6721AB

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 1MHz
• Duty Cycle: 100%
• Voltage - Supply: 9 V ~ 18 V
• Buck: Yes
• Boost: Yes
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 16-SOIC (3.9mm Width)
• Frequency-max: 1MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Electrical Specifications
ERROR AMPLIFIER
Open Loop Voltage Gain
Gain-Bandwidth Product
Reference Voltage Initial Accuracy
Reference Voltage
COMP to PWM Gain, A
COMP to PWM Offset
FB Input Bias Current
COMP Sink Current
COMP Source Current
COMP VOH
COMP VOL
PSRR
SS Clamp, V
OSCILLATOR
Frequency Accuracy
Frequency Variation with V
Temperature Stability
Maximum Duty Cycle
Comparator High Threshold - Free Running
Comparator High Threshold - with External SYNC
Comparator Low Threshold
Discharge Current
SYNCHRONIZATION
Input High Threshold
Input Pulse Width
Input Frequency Range
Input Impedance
VOH
VOL
SYNC Advance
Output Pulse Width
COMP
PARAMETER
COMP
CC
6
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
schematic on page 2 and page 3. 9V < V
Typical values are at T
(Note 5)
(Note 5)
V
V
COMP = 4V, T
COMP = 4V (Note 5)
V
COMP = 1.5V, V
COMP = 1.5V, V
V
V
Frequency = 120Hz (Note 5)
SS = 2.5V, V
T = +105°C (f
T = -40°C (f
(Note 5)
(Note 6)
(Note 5)
0°C to +105°C
-40°C to +105°C
(Note 5)
R
R
SYNC rising edge to GATE falling
edge, C
C
FB
FB
FB
FB
FB
LOAD
LOAD
SYNC
A
= +25°C. (Continued)
= COMP, T
= COMP
= 0V
= 2.3V
= 2.7V
TEST CONDITIONS
= 4.5kΩ
= open
GATE
= 100pF
ISL6721
20V
FB
20V
= C
A
A
= 0V, ISET = 2V
-f
= +25°C
FB
FB
9V
SYNC
= +25°C (Note 5)
- f
= 2.7V
= 2.3V
9V
)/f
CC
9V
)/f
= 100pF
= V
9V
C
< 20V, R
0.65 x Free
Running
T
2.465
-0.25
= 11kΩ, Ct = 330 pF, T
MIN
2.44
0.31
0.51
4.25
0.75
0.70
289
0.4
2.4
2.5
60
60
68
25
50
-2
2
-
-
-
-
-
-
-
-
-
-
2.515
2.515
TYP
0.33
0.75
3.00
4.00
1.50
-0.5
318
0.1
4.4
0.8
2.5
1.0
1.0
4.5
90
15
80
75
25
6
2
2
8
-
-
-
-
-
-
A
= -40 to +105°C (Note 3),
2.565
2.590
MAX
0.35
0.88
347
5.0
1.2
2.6
1.2
1.2
2.5
1.0
0.1
81
55
2
3
3
-
-
-
-
-
-
-
-
-
-
-
-
-
March 5, 2008
UNITS
MHz
MHz
kHz
V/V
mA
mA
mA
dB
µA
dB
kΩ
ns
ns
ns
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V
FN9110.6