ISL6334BIRZ Intersil, ISL6334BIRZ Datasheet - Page 9

• Manufacturer Part Number: ISL6334BIRZ
• Description: IC CTRLR PWM SYNC BUCK 40-QFN
• Manufacturer: Intersil

Specifications of ISL6334BIRZ

• Applications: Controller, Intel VR11.1
• Voltage - Input: 3 ~ 12 V
• Number Of Outputs: 1
• Voltage - Output: 0.5 ~ 1.6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 40-VFQFN, 40-VFQFPN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Specifications
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
Bandwidth
Output High Current
Output High Current
PWM OUTPUT
Sink Impedance
Source Impedance
PSI# INPUT
High Signal Threshold
Low Signal Threshold
H_CPURST_N INPUT
PSI# Time Out
High Signal Threshold
Low Signal Threshold (PSI# Signal Lockout)
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
PARAMETER
9
Recommended Operating Conditions; VCC = 5V, Unless Otherwise Specified. Boldface limits apply over the
operating temperature ranges, -40°C to +85°C or 0°C to +70°C. (Continued)
(Note 8)
(Note 8)
PWM = High, Forced to 3.7V
Offset resistor connected to ground
Voltage below VCC, offset resistor connected to
VCC
R
R
R
VSEN - RGND = 2.5V (Note 8)
VSEN - RGND = 0.6 (Note 8)
PWM = Low with 1mA Load
With Respect to H_CPURST_N Rising Edge
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
ISL6334B, ISL6334C
T
SS
L
= 100kΩ
= 10kΩ to ground
= 100kΩ (Notes 9, 10)
TEST CONDITIONS
ISENx
ISENx
ISENx
= 200Ω
= 200Ω
= 200Ω
(Note 6)
1.574
0.625
-500
-500
0.08
36.5
MIN
390
225
100
200
3.8
3.6
0.4
0.4
38
74
96
-
-
-
-
-
-
-
-
-
-
1.563
TYP
1.60
400
250
220
320
105
121
1.5
4.4
96
80
25
20
-
-
-
-
-
-
-
-
-
-
-
-
-
(Note 6) UNITS
1.635
MAX
6.25
415
275
500
500
300
400
117
1.0
4.9
1.6
0.8
0.8
60
42
83
-
-
-
-
-
-
-
-
-
-
August 31, 2010
FN6689.2
mV/µs
mV/µs
MHz
MHz
V/µs
MHz
kHz
mV
µA
µA
ms
µA
µA
µA
µA
dB
V
V
V
V
V
Ω
Ω
V
V
V
V