ISL89411 INTERSIL [Intersil Corporation], ISL89411 Datasheet - Page 18

• Manufacturer Part Number: ISL89411
• Description: Intersil Power Management Solutions
• Manufacturer: INTERSIL [Intersil Corporation]

18
Multiple Output Controllers
ISL6228
ISL6440
ISL6445
ISL6539
ISL8112
ISL8126
2-in-1 PWM Switchers + Linear
ISL6528
ISL6529,
ISL6529A
ISL6549
ISL88550A
Intersil Power Management Solutions  2012  www.intersil.com
Device
Device
Scalable/
Cascadeable
2/4/6/8/12-Phase
PWM Controller
Key Features
• Wide 3.0 to 26.5V V
• Oscillator-programmable from 150kHz
• Configurable as a Dual Output Single-
• Phase Shift Between Phases (Multiple
Applications
• Datacom/Telecom and RAID Systems
• Power Modules, Power Supplies
• CPU Power (Servers, Industrial
to 1.5MHz
Phase or Single Output Dual-Phase
Options) Using Frequency SYNC and
Clock Out
Computers)
Dual Regulator-Standard Buck PWM and Linear Power
Controller
Dual Regulator-Synchronous Rectified Buck PWM and
Linear Power Controller
Single 12V Input Supply Dual Regulator - Synchronous
Rectified Buck PWM and Linear Power Controller
Synchronous Step Down Controller with Sourcing and
Sinking LDO Regulator
High-Performance Dual-Output Buck Controller for Notebook
Applications
300kHz Dual, 180° Out-of-Phase, Step-Down PWM Controller
1.4MHz Dual, 180° Out-of-Phase, Step-Down PWM Controller
Wide Input Range Dual PWM Controller with DDR Option
High Light-Load Efficiency, Dual-Output, Main Power Supply
Controllers
Dual/n-Phase Buck PWM Controller with Integrated Drivers
Device Description
Device Description
IN
Range
Architecture
Voltage Mode
Voltage Mode
Voltage Mode
Voltage Mode
R ISET1
with Input Feed-
Architecture
Current Mode
Current Mode
Voltage Mode
Voltage Mode
Constant-on
Unmatched Flexibility for Power-Hungry ASICs
and Computer Designs
Forward
ISET
Simplified 4-Phase Single Output
Implementation
R
ENFF
ISL8126
Phase 1 & 3
3
ISHARE
(min)
V
(V)
3.3
3.3
R ISHARE1
1
2
IN
COM1/2
1
PHASE 1
PHASE 2
(max)
(min)
V
(V)
2.97
12
25
V
5
5
(V)
3.3
4.5
4.5
3.3
4.5
IN
IN
SHARE BUS
V
(min)
R ISET2
OUT1
(V)
0.8
0.8
0.8
0.7
(max)
26.5
V
(V)
25
24
24
18
25
IN
V
(max)
ISET
OUT1
V
(V)
3.3
3.3
3.5
ENFF
IN
ISL8126
Phase 2 & 4
(min)
V
ISHARE
(V)
0.6
0.8
0.8
0.9
0.7
0.6
OUT
R ISHARE2
COM1/2
0.8 to 3.3
0.8 to 3.3
0.8 to V
50% of
2
V
REFIN
PHASE 1
PHASE 2
OUT2
(V)
90% of
(max)
V
V
(V)
5.5
5.5
OUT
22
17
5
IN
IN
Multiphase Controller: ISL8126
I
OUT1
(A)
15
15
20
15
(max)
I
OUT
>60
(A)
V
15
10
30
OUT
6
8
Scalable up to 12 phases
I
OUT2
(A)
2.5
400/500, 300/400,
4
4
4
Excellent Output Voltage
Regulation
0.6V ±0.8%
Switching Freq.
150 to 1500
200 to 600
200/300
(kHz)
1400
V
300
300
(V)
BIAS
12
12
5
5
Frequency
Switching
0.3 to 0.6
(MHz)
28 Ld TQFN
24 Ld QSOP
24 Ld QSOP
28 Ld QFN, 28 Ld QSOP
32 Ld QFN
32 Ld QFN
0.6
0.3
1
Package
8 Ld SOIC
14 Ld SOIC,
16 Ld QFN
14 Ld SOIC,
16 Ld QFN,
16 Ld QSOP
28 Ld TQFN
Package