ISL6753 Datasheet, PDF (5/15 Pages) Intersil Corporation – ZVS Full-Bridge PWM Controller

ISL6753
Electrical Specifications
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
schematic. 9 V < VDD< 20 V, RTD = 10.0kΩ, CT = 470pF, T_A = -40°C to 105°C (Note 3), Typical values are at
T_A = 25°C (Continued)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNITS
Bias Current
Clamp Voltage
V_RAMP = 0.3V
(Note 4)
-5.0
-
-2.0
µA
6.5
-
8.0
V
PULSE WIDTH MODULATOR
Minimum Duty Cycle
VERR < 0.6V
-
-
0
%
Maximum Duty Cycle (per half-cycle)
VERR = 4.20V, V_RAMP = 0V,
V_CS = 0V (Note 5)
RTD = 2.00kΩ, CT = 220pF
RTD = 2.00kΩ, CT = 470pF
-
94
-
%
-
97
-
-
99
-
Zero Duty Cycle VERR Voltage
0.85
-
1.20
V
VERR to PWM Comparator Input Offset
VERR to PWM Comparator Input Gain
T_A = 25°C
0.7
0.8
0.9
V
0.31
0.33
0.35
V/V
Common Mode (CM) Input Range
ERROR AMPLIFIER
(Note 4)
0
-
V_SS
V
Input Common Mode (CM) Range
(Note 4)
0
-
VREF
V
GBWP
(Note 4)
5
-
-
MHz
VERR VOL
VERR VOH
VERR Pull-Up Current Source
I_LOAD = 2mA
I_LOAD = 0mA
VERR = 2.5V
-
-
0.4
V
4.20
-
-
V
0.8
1.0
1.3
mA
EA Reference
EA Reference + EA Input Offset Voltage
T_A = 25°C
0.594
0.600
0.606
V
0.590
0.600
0.612
V
OSCILLATOR
Frequency Accuracy, Overall
(Note 4)
165
183
201
kHz
-10
+10
%
Frequency Variation with VDD
Temperature Stability
T_A = 25°C, (F_20V- - F_10V)/F_10V
-
VDD = 10V, |F_-40°C - F_0°C|/F_0°C
-
|F_0°C - F_105°C|/F_25°C
-
(Note 4)
0.3
1.7
%
4.5
-
%
1.5
-
Charge Current
Discharge Current Gain
T_A = 25°C
-193
19
-200
20
-207
23
µA
µA/µA
CT Valley Voltage
Static Threshold
0.75
0.80
0.88
V
CT Peak Voltage
Static Threshold
2.75
2.80
2.88
V
CT Pk-Pk Voltage
Static Value
1.92
2.00
2.05
V
RTD Voltage
1.97
2.00
2.03
V
RESDEL Voltage Range
0
-
2
V
CTBUF Gain (V_CTBUFp-p/V_CTp-p)
CTBUF Offset from GND
CTBUF VOH
CTBUF VOL
V_CT = 0.8V, 2.6V
1.95
2.0
2.05
V/V
V_CT = 0.8V
0.34
0.40
0.44
V
∆V(I_LOAD = 0mA, I_LOAD = -2mA),
-
V_CT = 2.6V
-
0.10
V
∆V(I_LOAD = 2mA, I_LOAD = 0mA),
-
V_CT = 0.8V
-
0.10
V
5
FN9182.1
March 10, 2005