ISL89411 INTERSIL [Intersil Corporation], ISL89411 Datasheet - Page 25

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

Multiple Output Buck Regulators
ISL6455
ISL6455A
ISL65426
ISL8022
ISL8033
ISL8033A
ISL8036
ISL8036A
ISL8088
ISL8501
ISL85033
ISL8510
Device
Dual Output,
Standard Buck
Regulator with
Integrated High-side
MOSFETs
Key Features
• 3A/Channel Guaranteed Output Current
• 180° Out-of-Phase Operation or In-
• Current Mode Control
• Output Current Sharing Capability
• Fsw: 500kHz (default) or 300kHz to 2MHz
• Synchronization to External Clock –
• Independent EN and P
• Internal 5ms Soft-Start or Externally
Phase Operation
Adj.
360kHz to 2MHz
Channels
Adjustable Soft-Start
0.6A PWM Regulator and Dual 0.3A LDOs
and Reset
0.6A PWM Regulator and Dual 0.3A LDOs
and Reset
6A Dual Synchronous Buck Regulator with
Integrated MOSFETs
Dual 2A/1.7A Low Quiescent Current 2.25MHz
High Efficiency Synchronous Buck Regulator
Dual 3A Low Quiescent Current High Efficiency
Synchronous Buck Regulator
Dual 3A Low Quiescent Current High Efficiency
Synchronous Buck Regulator
Dual 3A Current Sharing 1MHz High Efficiency
Synchronous Buck Regulator
Dual 3A Current Sharing 2.5MHz High
Efficiency Synchronous Buck Regulator
Dual 800mA Low Quiescent Current 2.25MHz
High Efficiency Synchronous Buck Regulator
Triple Output Controller with 1A Standard Buck
PWM and Dual LDOs
Wide VIN Dual Standard Buck Regulator With
3A/3A Continuous Output Current
Dual Output Controller with 1A Standard Buck
PWM and LDO
Device Description
GOOD
for Both
Control Type
Current Mode
Current Mode
Current Mode
Current Mode
Current Mode
Current Mode
Current Mode
Current Mode
Current Mode
Voltage Mode
Current Mode
Voltage Mode
Out-
puts
# of
3
3
2
2
2
2
2
2
2
3
2
2
(min)
2.85
2.85
2.85
2.85
2.75
V
(V)
4.5
2.8
4.5
Small Solution Size
Typical Application Schematics
Simple Settings for Sequencing and Tracking
T
Independent
3
3
5
5
IN
V
3A
OUT2
Multiple Output Integrated FET Buck Regulators: ISL85033
V
C
47µF
OUT2
(max)
13
Vout1
Vout2
V
(V)
3.6
5.5
5.5
5.5
5.5
25
28
25
6
6
6
6
7µ H
IN
L
Intersil Power Management Solutions  2012  www.intersil.com
2
B340B
D
2
V
(min)
VCC
VCC
VCC
DUAL 3A OUTPUT (VIN RANGE FROM 4.5V TO 28V)
(V)
68pF
0.8
0.8
0.6
0.8
0.8
0.8
0.8
0.6
0.6
0.8
0.6
OUT
C
1
25.5k
4
R
ISL85033EVAL2Z TOP SILK SCREEN
PGOOD2
PGOOD1
5
PHASE2
BOOT2
C
10nF
12
SS2
SS1
FS
(max)
V
T
(V)
2.5
3.3
V
V
V
V
V
V
V
V
OUT
22
22
Absolute
27
19
3
22
28
15/16
17
IN
IN
IN
IN
IN
IN
IN
IN
20
24
Vout1
23
Vout2
(max)
21
I
2.0 /
OUT
(A)
0.6
0.6
1.7
0.8
C
470pF
R
69.8k
6
3
3
6
6
1
3
1
5
8
ISL85033
8.06k
R
6
12
(mA)
26
0.04
0.03
2.5
3.5
2.5
1.2
2.5
Iq
30
15
15
15
15
10 25
8.06k
R
2
470pF
69.8k
C
R
T
2
4
Frequency
Ratiometric
Switching
1
11
0.3 to 2
(MHz)
4.7µF
0.75
0.75
2.25
2.25
2.5
2.5
0.5
0.5
2
1
1
1
13/14
8/9
6/7
Vout1
Vout2
5
VIN1
VIN2
PHASE1
BOOT1
10µF
Efficiency
42.2k
R
10nF
1
C
Peak
68pF
C
C
8
(%)
72
93
93
95
97
95
95
95
95
96
95
92
95
1
C
20µF
71
D
B340B
1
7µH
L1
T
Sequencing
90% of
Vout1
47µF
V
(min) (MHz)
Frequency
Switching
OUT1
C
9
0.75
0.75
2.25
2.25
2.5
2.5
0.5
0.3
0.5
V
Vout1
Vout2
1
1
1
OUT1
3A
24 Ld QFN
24 Ld QFN
50 Ld QFN
12 Ld DFN
24 Ld QFN
24 Ld QFN
24 Ld QFN
24 Ld QFN
10 Ld DFN
24 Ld QFN
28 Ld TQFN
24 Ld QFN
Package
25