ISL6316_06 Datasheet, PDF (9/29 Pages) Intersil Corporation – Enhanced 4-Phase PWM Controller with 6-Bit VID Code Capable of Precision rDS(ON) or DCR Differential Current Sensing for VR10 Application

ISL6316
Electrical Specifications Operating Conditions: V_CC = 5V, Unless Otherwise Specified (Continued)
PARAMETER
TEST CONDITIONS
PIN-ADJUSTABLE OFFSET
Voltage at OFS Pin of ISL6316CRZ
Offset resistor connected to ground
Voltage below VCC, offset resistor connected to VCC
Voltage at OFS Pin of ISL6316IRZ
Offset resistor connected to ground
Voltage below VCC, offset resistor connected to VCC
OSCILLATORS
Accuracy of Switching Frequency Setting R_T = 100kΩ
Adjustment Range of Switching Frequency (Note 4)
Soft-Start Ramp Rate
R_S = 100kΩ (Notes 5, 6)
Adjustment Range of Soft-Start Ramp Rate (Note 4)
PWM GENERATOR
Sawtooth Amplitude
Max Duty Cycle
ERROR AMPLIFIER
Open-Loop Gain
Open-Loop Bandwidth
Slew Rate
Maximum Output Voltage
R_L = 10kΩ to ground (Note 4)
C_L = 100pF, R_L = 10kΩ to ground (Note 4)
C_L = 100pF
Output High Voltage @ 2mA
Output Low Voltage @ 2mA
REMOTE-SENSE AMPLIFIER
Bandwidth
(Note 4)
Output High Current
VSEN - RGND = 2.5V
Output High Current
VSEN - RGND = 0.6
PWM OUTPUT
PWM Output Voltage LOW Threshold
ILOAD = ±500μA
PWM Output Voltage HIGH Threshold
ILOAD = ±500μA
SENSE CURRENT OUTPUT (IDROOP and IOUT)
Sensed Current Tolerance
ISEN1 = ISEN2 = ISEN3 = ISEN4 = 80μA
Overcurrent Trip Level
Maximum Voltage at IDROOP Pin
THERMAL MONITORING AND FAN CONTROL
TM Input Voltage for VR_FAN Trip
TM Input Voltage for VR_FAN Reset
TM Input Voltage for VR_HOT Trip
TM Input Voltage for VR_HOT Reset
Leakage current of VR_FAN
With externally pull-up resistor connected to VCC
VR_FAN Low Voltage
Leakage Current of VR_HOT
With 1.25k resistor pull-up to VCC, I_{VR_FAN} = 4mA
With externally pull-up resistor connected to VCC
VR_HOT Low Voltage
With 1.25k resistor pull-up to VCC, I_{VR_HOT} = 4mA
MIN TYP MAX UNITS
392 400 408 mV
1.568 1.600 1.632 V
388 400 412 mV
1.552 1.600 1.648 V
225 250
0.08 -
- 1.563
0.625 -
275
1.0
-
6.25
kHz
MHz
mV/µs
mV/µs
-
1.5
-
V
- 66.7 -
%
-
96
-
dB
-
20
-
MHz
-
9
-
V/μs
3.8 4.3 4.9
V
3.6
-
-
V
-
-
1.2
V
-
20
-500 -
-500 -
-
MHz
500 μA
500 μA
-
-
0.5
V
4.3
-
-
V
76 80 84
μA
90 100 110 μA
-
2
-
V
1.6 1.65 1.69 V
1.89 1.93 1.98 V
1.35 1.4 1.44 V
1.6 1.65 1.69 V
-
-
30
μA
-
-
0.3
V
-
-
30
μA
-
-
0.3
V
9
FN9227.1
December 12, 2006