ISL8022IRZ-T7A Intersil, ISL8022IRZ-T7A Datasheet - Page 5

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ISL8022IRZ-T7A

Manufacturer Part Number
ISL8022IRZ-T7A
Description
IC REG SYNC BUCK DUAL 12DFN
Manufacturer
Intersil
Type
Step-Down (Buck)r
Datasheet

Specifications of ISL8022IRZ-T7A

Internal Switch(s)
Yes
Synchronous Rectifier
Yes
Number Of Outputs
2
Voltage - Output
0.6 V ~ 5.5 V
Current - Output
2A, 1.7A
Frequency - Switching
2.25MHz
Voltage - Input
2.8 V ~ 5.5 V
Operating Temperature
-40°C ~ 85°C
Mounting Type
Surface Mount
Package / Case
12-VFDFN Exposed Pad
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Absolute Maximum Ratings (
Supply Voltage (V
EN1, EN2, PG, SYNC . . . . . . . . . . . . . . . -0.3V to V
LX1, LX2 . . . . . . . . . -1.5V (100ns)/-0.3V (DC) to 6.5V (DC)
FB1, FB2 . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to 2.7V
ESD Rating
Latch Up (Tested per JESD-78B; Class 2, Level A) . . . 100mA
Recommended Operating Conditions
V
Load Current Range Channel 1. . . . . . . . . . . . . . . . 0A to 2A
Load Current Range Channel 2. . . . . . . . . . . . . . 0A to 1.7A
Ambient Temperature Range . . . . . . . . . . . . -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:
Electrical Specifications
INPUT SUPPLY
V
Threshold
Quiescent Supply Current
ShutDown Supply Current
OUTPUT REGULATION
FB1, FB2 Regulation Voltage
FB1, FB2 Bias Current
Output Voltage Accuracy
Line Regulation
Soft-Start Ramp Time Cycle
OVERCURRENT PROTECTION
Dynamic Current limit ON-time
Dynamic Current Limit OFF-time
Peak Overcurrent Limit
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . or 7V (20ms)
4. θ
5. θ
IN
Human Body Model . . . . . . . . . . . . . . . . . . . . . . . . . 3kV
Machine Model . . . . . . . . . . . . . . . . . . . . . . . . . . . 250V
Charged Device Model (Tested per JESD22-C101E) . . . . 2k
IN
features. See Tech Brief TB379.
Supply Voltage Range . . . . . . . . . . . . . . . . 2.8V to 5.5V
Undervoltage Lock-out
JA
JC
, “case temperature” location is at the center of the exposed metal pad on the package underside.
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach”
PARAMETER
IN
) . . . . . . -0.3V to 6V (DC) or 7V (20ms)
5
Unless otherwise noted, all parameter limits are established over the recommended
operating conditions: T
SYNC = 0V, L = 1.2µH, C1 = 2 x 10µF, C2 = C4 = 22µF, I
1.7A. (Typical values are at T
operating temperature range, -40°C to +85°C.
SYMBOL
t
Reference to GND)
V
t
OCOFF
V
OCON
I
I
I
I
UVLO
I
FB_
VIN
pk1
pk2
FB_
SD
Rising
Falling
SYNC = V
switches switching
SYNC = GND, EN1 = EN2 = V
F
V
VFB = 0.55V
SYNC = V
SYNC = GND, Io = 0A to 2A (Note 7)
V
S
IN
IN
IN
= 2.25MHz, no load at the output
= V
= 5.5V, EN1 = EN2 = GND
+ 0.3V
ISL8022
O
A
TEST CONDITIONS
+ 0.5V to 5.5V (minimal 2.8V)
IN
IN
= -40°C to +85°C, V
, EN1 = EN2 = V
, Io = 0A to 2A (Note 7)
A
Thermal Information
Thermal Resistance (Typical)
Junction Temperature Range . . . . . . . . . . -55°C to +150°C
Storage Temperature Range . . . . . . . . . . . -65°C to +150°C
Pb-Free Reflow Profile . . . . . . . . . . . . . . . . . .see link below
= +25°C, V
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
4x3 DFN Package (Notes 4, 5) . .
IN
IN
IN
, no
= 3.6V). Boldface limits apply over the
IN
,
= 2.8V to 5.5V, EN1 = EN2 = V
(Note 6) TYP
0.590
MIN
OUT1
2.0
2.7
2.3
= 0A to 2A, I
±1.5
0.86
2.5
2.4
6.5
0.6
0.1
0.2
3.2
2.8
±1
40
17
2
4
θ
JA
(°C/W) θ
(Note 6)
41
0.610
MAX
2.8
3.6
3.2
55
12
1
OUT2
August 25, 2010
IN
JC
,
= 0A to
SS cycle
(°C/W)
UNITS
pulses
Clock
FN7650.1
%/V
3
mA
ms
µA
µA
µA
%
%
V
V
V
A
A

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