ISL8103IRZ Intersil, ISL8103IRZ Datasheet - Page 5

• Manufacturer Part Number: ISL8103IRZ
• Description: IC CTRLR PWM BUCK 3PHASE 40-QFN
• Manufacturer: Intersil

Specifications of ISL8103IRZ

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 1.5MHz
• Duty Cycle: 66.6%
• Voltage - Supply: 4.75 V ~ 12.6 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 40-VFQFN, 40-VFQFPN
• Frequency-max: 1.5MHz
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Specifications
BIAS SUPPLY AND INTERNAL OSCILLATOR
Input Bias Supply Current
Gate Drive Bias Current
VCC POR (Power-On Reset) Threshold
PVCC POR (Power-On Reset) Threshold
Oscillator Ramp Amplitude (Note 3)
Maximum Duty Cycle (Note 3)
CONTROL THRESHOLDS
ENLL Rising Threshold
ENLL Hysteresis
COMP Shutdown Threshold
REFERENCE AND DAC
System Accuracy (DAC = 0.6V, 0.9V)
System Accuracy (DAC = 1.2V, 1.50V)
DAC Input Low Voltage (REF0, REF1)
DAC Input High Voltage (REF0, REF1)
External Reference (Note 3)
OFS Sink Current Accuracy (Negative Offset)
OFS Source Current Accuracy (Positive Offset)
Absolute Maximum Ratings
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
Supply Voltage, PVCC . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +15V
Absolute Boot Voltage, V
Phase Voltage, V
Upper Gate Voltage, V
Lower Gate Voltage, V
Input, Output, or I/O Voltage . . . . . . . . . GND - 0.3V to VCC + 0.3V
Recommended Operating Conditions
VCC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±5%
PVCC Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . +5V to 12V ±5%
Ambient Temperature (ISL8103CRZ) . . . . . . . . . . . . . 0°C to +70°C
Ambient Temperature (ISL8103IRZ) . . . . . . . . . . . . .-40°C to +85°C
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTES:
1. θ
2. For θ
Tech Brief TB379.
GND - 8V (<400ns, 20µJ) to 24V (<200ns, V
JA
V
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
PHASE
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
GND - 5V (<100ns Pulse Width, 2µJ) to PVCC+ 0.3V
PARAMETER
- 3.5V (<100ns Pulse Width, 2µJ) to V
PHASE
UGATE
LGATE
BOOT
. . . . . . . . GND - 0.3V to 15V (PVCC = 12)
. . . . . . . . GND - 0.3V to PVCC + 0.3V
. . . . V
. . . . . . . . GND - 0.3V to GND + 36V
Recommended Operating Conditions, Unless Otherwise Specified. Parameters with MIN and/or MAX limits are
100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization and are not
production tested.
5
PHASE
- 0.3V to V
BOOT-PHASE
I
I
F
VCC Rising
VCC Falling
PVCC Rising
PVCC Falling
V
COMP Falling
DROOP connected to IREF
DROOP connected to IREF
R
R
VCC
PVCC
sw
P-P
OFS
OFS
BOOT
BOOT
= 250kHz
; ENLL = high
; ENLL = high; all gate outputs open,
= 30kΩ from OFS to VCC
= 10kΩ from OFS to GND
+ 0.3V
+ 0.3V
= 12V)
ISL8103
TEST CONDITIONS
Thermal Information
Thermal Resistance
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below
QFN Package (Notes 1, 2) . . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
4.25
3.75
4.25
3.75
47.5
47.5
MIN
-0.8
-0.5
0.1
0.8
0.6
-
-
-
-
-
-
-
TYP
4.38
3.88
4.38
3.88
1.50
66.6
0.66
0.25
50.0
50.0
100
0.8
15
θ
-
-
-
-
-
JA
(°C/W)
32
MAX
2.00
4.50
4.00
4.50
4.00
1.75
52.5
52.5
0.4
0.8
0.5
0.4
20
-
-
-
-
-
θ
July 21, 2008
JC
FN9246.1
3.5
(°C/W)
UNITS
mA
mA
mV
µA
µA
%
%
%
V
V
V
V
V
V
V
V
V
V