ISL6721 Intersil Corporation, ISL6721 Datasheet - Page 5

• Manufacturer Part Number: ISL6721
• Description: Flexible Single Ended Current Mode PWM Controller
• Manufacturer: Intersil Corporation

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 VCC
Temperature Stability
Minimum Charge and Discharge Time
Maximum Duty Cycle
Comparator High Threshold - Free Running
Comparator High Threshold - with External SYNCH
Comparator Low Threshold
Discharge Current
SYNCHRONIZATION
Input High Threshold
Input Pulse Width
Input Frequency Range
Input Impedance
VOH
VOL
SYNCH Advance
Output Pulse Width
COMP
PARAMETER
COMP
5
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
schematic. 9V < V
are at T
A
= 25
o
C (Continued)
CC
(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
T = -40
(Note 5)
(Note 5)
(Note 6)
(Note 5)
(Note 5)
(Note 5)
0 - 105
-40 - 105
(Note 5)
R
R
SYNCH rising edge to GATE falling
edge, C
C
FB
FB
FB
FB
FB
= V
LOAD
LOAD
SYNCH
= COMP, T
= COMP
= 0V
= 2.3V
= 2.7V
C
o
TEST CONDITIONS
o
< 20V ±10%, Rt = 11kΩ, Ct = 330 pF, T
o
= 4.5kΩ
= open
GATE
C
C (F
C (F
o
= 100pF
C
ISL6721
20V
FB
20V
= C
A
A
= 0V, ISET = 2V
- - F
= 25
FB
FB
- - F
SYNCH
= 25
= 2.7V
= 2.3V
9V
9V
o
C
o
)/F
)/F
C (Note 5)
= 100pF
9V
9V
0.65x Free
Running
2.465
MIN
2.44
0.31
0.51
4.25
0.75
0.70
-0.2
289
0.4
2.4
2.5
60
60
68
25
50
-2
2
-
-
-
-
-
-
-
-
-
-
-
A
= -40 to 105
2.515
2.515
TYP
0.33
0.75
TBD
-0.5
318
0.1
4.4
0.8
2.5
1.5
1.0
1.0
4.5
90
15
80
75
25
6
2
2
8
3
4
-
-
-
-
-
-
o
C (Note 3), Typical values
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
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UNITS
MHz
MHz
kHz
V/V
mA
mA
mA
dB
µA
dB
nS
nS
kΩ
nS
nS
%
%
%
V
V
V
V
V
V
V
V
V
V
V
V