ISL6742 Intersil Corporation, ISL6742 Datasheet - Page 6

• Manufacturer Part Number: ISL6742
• Description: Advanced Double-Ended PWM Controller
• Manufacturer: Intersil Corporation

Electrical Specifications
RAMP
RAMP Sink Current Device Impedance
RAMP to PWM Comparator Offset
Bias Current
Clamp Voltage
SOFT-START
Charging Current
SS Clamp Voltage
SS Discharge Current
Reset Threshold Voltage
ERROR AMPLIFIER
Input Common Mode (CM) Range
GBWP
VERR VOL
VERR VOH
VERR Pull-Up Current Source
EA Reference
EA Reference + EA Input Offset Voltage
PULSE WIDTH MODULATOR
Minimum Duty Cycle
Maximum Duty Cycle (per half-cycle)
Zero Duty Cycle VERR Voltage
VERR to PWM Comparator Input Offset
VERR to PWM Comparator Input Gain
Common Mode (CM) Input Range
OSCILLATOR
Frequency Accuracy, Overall
Frequency Variation with VDD
Temperature Stability
Charge Current
Discharge Current Gain
CT Valley Voltage
CT Peak Voltage
PARAMETER
6
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
schematic. 9V < VDD < 20V, RTD = 10.0kΩ, CT = 470pF, T
T
A
= 25°C (Continued)
V
T
V
(Note 4)
SS = 3V
SS = 2V
T
(Note 4)
(Note 4)
I
I
VERR = 2.50V
T
VERR < 0.6V
VERR = 4.20V, V
V
RTD = 2.00kΩ, CT = 220pF
RTD = 2.00kΩ, CT = 470pF
T
(Note 4)
(Note 4)
T
VDD = 10V, |F
(Note 4)
|F
(Note 4)
T
Static Threshold
Static Threshold
LOAD
LOAD
A
A
A
A
A
A
RAMP
RAMP
CS
0°C
= 25°C
= 25°C
= 25°C
= 25°C
= 25°C, (F
= 25°C, V
= 0V (Note 5)
- F
= 2mA
= 0mA
= 0.3V
= 1.1V
105°C
TEST CONDITIONS
CS
20V
-40°C
|/F
ISL6742
= 1.8V
- - F
25°C
RAMP
- F
10V
0°C
= 0V,
)/F
|/F
10V
0°C
A
4.410
0.594
0.590
0.23
4.20
0.85
0.31
-193
0.75
2.75
= -40°C to 105°C (Note 3), Typical values are at
MIN
-5.0
165
-60
-10
6.5
0.8
0.7
65
10
19
0
5
0
-
-
-
-
-
-
-
-
-
4.500
0.600
0.600
TYP
0.27
0.33
-200
0.80
2.80
183
-70
1.0
0.8
0.3
4.5
1.5
80
94
97
99
21
-
-
-
-
-
-
-
-
-
-
-
-
www.DataSheet4U.com
VREF
4.590
0.606
0.612
MAX
-207
0.33
1.20
0.35
4.45
0.88
2.88
-2.0
201
+10
8.0
-80
0.4
1.3
0.9
1.7
20
95
23
0
-
-
-
-
-
-
-
-
July 25, 2005
UNITS
µA/µA
MHz
kHz
V/V
mV
mA
mA
µA
µA
µA
FN9183.1
%
%
%
%
%
%
%
%
Ω
V
V
V
V
V
V
V
V
V
V
V
V
V