ISL85033IRTZ-T Intersil, ISL85033IRTZ-T Datasheet - Page 8

• Manufacturer Part Number: ISL85033IRTZ-T
• Description: IC REG BUCK ADJ DUAL 28TQFN
• Manufacturer: Intersil
• Type: Step-Down (Buck)r

Specifications of ISL85033IRTZ-T

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.8 ~ 28 V
• Current - Output: 3A
• Frequency - Switching: 300kHz ~ 2MHz
• Voltage - Input: 4.5 ~ 28 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-WFQFN exposed Pad
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -

Absolute Maximum Ratings
VIN1/2 to GND. . . . . . . . . . . . . . . . . . . . . . -0.3V to +30V
PHASE1/2 to GND . . . . . . . . . . . . . . . . . . . -0.3V to +33V
BOOT1/2 to PHASE1/2 . . . . . . . . . . . . . . . . -0.3V to +5.5V
FS to GND . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +5.5V
SYNCIN to GND . . . . . . . . . . . . . . . . . . . . . -0.3V to +5.5V
FB1/2 to GND . . . . . . . . . . . . . . . . . . . . . -0.3V to +2.95V
EN1/2 to GND . . . . . . . . . . . . . . . . . . . . . . -0.3V to +5.5V
PGOOD1/2 to GND . . . . . . . . . . . . . . . . . . . -0.3V to +5.5V
COMP1/2 to GND . . . . . . . . . . . . . . . . . . . . -0.3V to +5.5V
VCC to GND Short Maximum Duration . . . . . . . . . . . . . . 1s
SYNCOUT to GND . . . . . . . . . . . . . . . . . . . . -0.3V to +5.5V
SS1/2 to GND . . . . . . . . . . . . . . . . . . . . . . -0.3V to +5.5V
ESD Rating
Latch Up (Tested per JESD-78A; Class 2, Level A) . . . 100mA
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:
Electrical Specifications
SUPPLY VOLTAGE
V
V
V
V
POWER-ON RESET
VIN POR Threshold
OSCILLATOR
Nominal Switching Frequency
FS Voltage
Synchronization Frequency
Minimum Off-Time
ERROR AMPLIFIER
Error Amplifier Transconductance
Gain
FB1, FB2 Leakage Current
Current Sense Amplifier Gain
Reference Voltage
4. θ
5. For θ
Human Body Model (Tested per JESD22-A114) . . . . . . 3kV
Charged Device Model (Tested per JESD22-C101E) . . 2.2kV
Machine Model (Tested per JESD22-A115) . . . . . . . . 300V
IN
IN
IN
CC
features. See Tech Brief TB379 for details.
JA
Voltage Range
Quiescent Supply Current
Shutdown Supply Current
Voltage
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach”
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
PARAMETER
8
T
T
+85°C
A
A
SYMBOL
= -40°C to +85°C, V
= +25°C. Boldface limits apply over the operating temperature range, -40°C to
F
t
VIN
V
I
V
gm
OFF
I
R
SD
SW
CC
FS
Q
T
EN1/2 = 0V
V
Rising Edge
Falling Edge
FS = VCC
Resistor from FS to GND = 383kΩ
Resistor from FS to GND = 40.2kΩ
FS = 100kΩ
SYNCIN = 600kHz
1.2MHz ≤ SYNCIN ≤ 4MHz
VFB = 0.8V
IN
= 12V; I
ISL85033
ISL85033
TEST CONDITIONS
IN
OUT
= 4.5V to 28V, unless otherwise noted. Typical values are at
= 0mA
Thermal Information
Thermal Resistance
Maximum Junction Temperature (Plastic Package) . . +150°C
Maximum Storage Temperature Range . . . -65°C to +150°C
Ambient Temperature Range . . . . . . . . . . . -40°C to +85°C
Junction Temperature Range . . . . . . . . . . -55°C to +150°C
Operating Temperature Range . . . . . . . . . . -40°C to +85°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . .see link below
Recommended Operating Conditions
Temperature. . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . 4.5V to 28V
QFN Package (Notes 4, 5) . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
(Note 8)
0.792
0.18
MIN
420
780
600
125
4.5
4.5
3.2
2000
0.21
TYP
500
300
800
300
130
205
1.2
5.1
3.9
3.7
0.8
20
10
θ
JA
(°C/W) θ
38
(Note 8) UNITS
0.808
2000
0.24
MAX
580
820
285
100
2.2
5.6
4.4
28
45
December 8, 2010
JC
(°C/W)
FN6676.2
µA/V
3
kHz
kHz
kHz
kHz
kHz
V/A
mA
mV
µA
nA
ns
V
V
V
V
V