ISL8112IRZ Intersil, ISL8112IRZ Datasheet - Page 13

• 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: -

330µF
9mΩ
6.3V
OUT1 – PCI-e
C11
C11
1.25V/5A
C10
10µF
SI4816BDY
10kΩ
R2
VIN: 5.5V to 25V
L1: 3.3µH
7.87kΩ
R1
FB1 TIED TO GND = 5V
FB1 TIED TO VCC = 1.5V
Q3a
Q3b
13
FIGURE 17. ISL8112 TYPICAL DYNAMIC GFX APPLICATION CIRCUIT
GND
VCC
VCC
0.1µF
5V
C9
VCC
R3
200kΩ
1µF
C8
L1
L2
C2
C11
FREQUENCY-DEPENDENT COMPONENTS
1.25V/1.05V SMPS
FREQUENCY
SWITCHING
PVCC
VIN
BOOT1
UG1
PH1
LG1
VSEN1
EN1
BYP
FB1
AGND
ILIM1
MODE
EN_LDO
NC
FS
5V
ISL8112
ISL8112
VCC
PAD
1µF
C5
3.3µH
2.7µH
2 x 330µF
330µF
OUT2REF
PGOOD1
PGOOD2
LDOREF
200kHz/300kHz
BOOT2
VSEN2
VREF2
VREF1
PGND
ILIM2
LDO
UG2
FS = VCC
PH2
LG2
EN2
OUT2REF: DYNAMIC 0 TO 2.5V
OUT2REF TIED TO VREF2 = 1.05V
OUT2REF TIED TO VCC = 3.3V
200kΩ
R5
GND
C4
0.22µF
NC
OPEN
0.1µF
C3
C7
VCC
Q2
IRF7832
Q1
IRF7821
L2: 2.2µH
VCC
C1
C1
10
10µF
R4
200kΩ
TRACK OUT2REF/10A
2 BITS
DAC
+
OUT2-GFX
+
VCC
2 x 330µF
C2
C2
4mΩ
6.3V
R6
200kΩ
DROOP
+
+
+
-
-
-
August 10, 2010
FN6396.1