ISL8112IRZ Intersil, ISL8112IRZ Datasheet - Page 3

• Manufacturer Part Number: ISL8112IRZ
• Description: IC MAIN POWER SUPP CTRLR 32-QFN
• Manufacturer: Intersil
• Type: Step-Down (Buck)r

Specifications of ISL8112IRZ

• Internal Switch(s): No
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.7 ~ 5.5 V
• Current - Output: 200mA
• Voltage - Input: 5.5 ~ 25 V
• Operating Temperature: -40°C ~ 100°C
• Mounting Type: Surface Mount
• Package / Case: 32-VQFN Exposed Pad, 32-HVQFN, 32-SQFN, 32-DHVQFN
• Power - Output: 5mW
• Rohs Compliant: YES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Frequency - Switching: -

Electrical Specifications
Absolute Voltage Ratings
VIN, EN_LDO to GND . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +27V
BOOT_ to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +33V
BOOT_ to PH_ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
VCC, EN_, MODE, FS,
PVCC, PGOOD_ to GND . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +6V
LDO, FB1, OUT2REF, LDOREF to GND . . . . -0.3V to (VCC+0.3V)
VSEN_, VREF2, VREF1 to GND . . . . . . . . . . . -0.3V to (VCC+0.3V
UG_ to PH_ . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to (PVCC + 0.3V)
ILIM_ to GND . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to (VCC + 0.3V)
LG_, BYP to GND . . . . . . . . . . . . . . . . . . . . -0.3V to (PVCC + 0.3V)
PGND to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to + 0.3V
LDO, VREF1, VREF2 Short Circuit to GND . . . . . . . . . . Continuous
VCC Short Circuit to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1s
LDO Current (Internal Regulator) Continuous . . . . . . . . . . . . 100mA
LDO Current (Switched Over to VSEN1) Continuous . . . . . +200mA
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.
NOTE:
MAIN SMPS CONTROLLERS
V
3.3V Output Voltage in Fixed Mode
1.05V Output Voltage in Fixed Mode
1.5V Output Voltage in Fixed Mode
5V Output Voltage in Fixed Mode
FB1 in Output Adjustable Mode
OUT2REF in Output Adjustable Mode
SMPS1 Output Voltage Adjust Range
SMPS2 Output Voltage Adjust Range
SMPS2 Output Voltage Accuracy
(Referred for OUT2REF)
DC Load Regulation
Line Regulation
Current-Limit Current Source
ILIM_ Adjustment Range
Current-Limit Threshold (Positive, Default)
1. θ
2. For θ
IN
Tech Brief TB379.
Input Voltage Range
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
PARAMETER
3
Circuit of Figure 17, and Figure 18, no load on LDO, VSEN1, VSEN2, VREF2, and VREF1, VIN = 12V,
EN2 = EN1 = VCC, VBYP = 5V, PVCC = 5V, VEN_LDO = 5V, T
Typical values are at T
LDO in regulation
V
V
V
MODE = 5V
V
V
V
V
SMPS1
SMPS2
OUT2REF = 0.7V to 2.5V, MODE = VCC
Either SMPS, MODE = VCC, 0A to 5A
Either SMPS, MODE = VREF1, 0A to 5A
Either SMPS, MODE = GND, 0A to 5A
Either SMPS, 6V < V
Temperature = +25°C
ILIM_ = VCC, GND - PH_
(No temperature compensation)
IN
IN
IN
IN
IN
IN
IN
= 5.5V to 25V, FB1 = VCC, MODE = 5V
= 5.5V to 25V, FB1 = GND, MODE = 5V
= 5.5V to 25V, OUT2REF > (VCC - 1V), MODE = 5V
= LDO, VSEN1 < 4.43V
= 5.5V to 25V, 3.0 < OUT2REF < (VCC - 1.1V),
= 5.5V to 25V
= 5.5V to 25V
A
= +25°C.
ISL8112
CONDITIONS
IN
< 24V
Thermal Information
Thermal Resistance (Typical, Note 1)
Operating Temperature Range . . . . . . . . . . . . . . . .-40°C to +100°C
Junction Temperature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +150°C
Storage Temperature Range . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile. . . . . . . . . . . . . . . . . . . . . . . . .see link below
32 Ld QFN (Notes 1, 2) . . . . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
A
= -40°C to +100°C, unless otherwise noted.
(Note 3)
3.285
1.038
1.482
4.975
0.693
0.70
0.50
4.75
MIN
-1.0
5.5
4.5
0.7
0.2
93
3.330
1.500
5.050
0.700
0.005
TYP
1.05
-0.1
-1.7
-1.5
100
5
θ
JA
(°C/W)
32
(Note 3)
3.375
1.062
1.518
5.125
0.707
MAX
2.50
5.50
2.50
5.25
107
5.5
1.0
25
2
August 10, 2010
θ
JC
UNITS
FN6396.1
3.0
(°C/W)
%/V
mV
µA
%
%
%
%
V
V
V
V
V
V
V
V
V
V
V