ISL6334 INTERSIL [Intersil Corporation], ISL6334 Datasheet - Page 9

• Manufacturer Part Number: ISL6334
• Description: VR11.1, 4-Phase PWM Controller with Light Load Efficiency Enhancement and Load Current Monitoring
• Manufacturer: INTERSIL [Intersil Corporation]

Electrical Specifications
Max DAC Source Current
Max DAC Sink Current
Max REF Source/Sink Current
PIN-ADJUSTABLE OFFSET
Voltage at OFS Pin
OSCILLATORS
Accuracy of Switching Frequency Setting
Adjustment Range of Switching Frequency
Soft-start Ramp Rate
Adjustment Range of Soft-Start Ramp Rate
PWM GENERATOR
Sawtooth Amplitude
ERROR AMPLIFIER
Open-Loop Gain
Open-Loop Bandwidth
Slew Rate
Maximum Output Voltage
Output High Voltage @ 2mA
Output Low Voltage @ 2mA
REMOTE-SENSE AMPLIFIER (Note 4)
Bandwidth
Output High Current
Output High Current
PWM OUTPUT
Sink Impedance
Source Impedance
PSI# INPUT
High Signal Threshold
Low Signal Threshold
CURRENT SENSE AND OVERCURRENT PROTECTION
Sensed Current Tolerance
Overcurrent Trip Level for Average Current At Normal
CCM PWM Mode
Overcurrent Trip Level for Average Current at PSI#
Mode
Peak Current Limit for Individual Channel
IMON Clamped and OCP Trip Level
PARAMETER
9
Operating Conditions: VCC = 5V, Unless Otherwise Specified. (Continued)
(Note 4)
PWM = High, Forced to 3.7V
(Note 4)
Offset resistor connected to ground
Voltage below VCC, offset resistor connected to
VCC
R
R
(Note 4)
(Note 4)
R
(Note 4)
(Note 4)
(Note 4)
VSEN - RGND = 2.5V
VSEN - RGND = 0.6
PWM = Low with 1mA Load
ISEN1 = ISEN2 = ISEN3 = ISEN4 = 40µA;
CS Offset and Mirror Error Included, R
ISEN1 = ISEN2 = ISEN3 = ISEN4 = 80µA;
CS Offset and Mirror Error Included, R
CS Offset and Mirror Error Included, R
N = 4, Drop to 1 Phase
ISL6334, ISL6334A
T
SS
L
= 100kΩ
= 10kΩ to ground (Note 4)
= 100kΩ (Notes 4, 5, 6)
TEST CONDITIONS
ISENx
ISENx
ISENx
= 200Ω
= 200Ω
= 200Ω
(Note 7)
1.574
0.625
1.085
-500
-500
0.08
36.5
MIN
100
390
225
100
200
115
3.5
3.8
3.6
0.4
50
74
96
-
-
-
-
-
-
-
-
-
1.563
TYP
1.60
1.11
220
320
400
250
105
121
129
1.5
4.4
96
80
25
20
-
-
-
-
-
-
-
-
-
-
-
-
-
(Note 7) UNITS
1.635
MAX
6.25
1.14
415
275
500
500
300
400
146
117
1.0
4.9
1.6
0.8
42
83
-
-
-
-
-
-
-
-
-
-
-
-
February 26, 2008
FN6482.0
mV/µs
mV/µs
MHz
MHz
V/µs
MHz
kHz
mA
mV
µA
µA
µA
µA
µA
µA
µA
µA
µA
dB
V
V
V
V
V
Ω
Ω
V
V
V