ISL89411 INTERSIL [Intersil Corporation], ISL89411 Datasheet - Page 7

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

INTERLEAVED 2-FET FORWARD,
ASYMMETRIC ZVS FULL-BRIDGE
Isolated PWM Controllers
Isolated PWM Controllers Selection Chart
ZVS FULL-BRIDGE
FULL-BRIDGE,
ISL6740/40A
ISL6745A
ISL6741
ISL6742
ISL6752
ISL6753
ISL6754
ISL6755
(≥1000W)
ASYMMETRIC ZVS FULL-BRIDGE
ASYMMETRIC HALF-BRIDGE,
HI
ZVS FULL-BRIDGE
2-FET FORWARD,
POWER LEVEL?
HALF-BRIDGE,
FULL-BRIDGE,
ISL6740/40A
ISL6745A
ISL6726
ISL6741
ISL6742
ISL6752
ISL6753
ISL6754
ISL6755
(150 –1000W)
ZVS ASYMMETRIC FULL-BRIDGE
MED
INTERLEAVED ACTIVE CLAMP
ISL6726
ACTIVE CLAMP FORWARD
(≤150W)
LOW
FULL-BRIDGE,
FORWARD
ISL6726
ISL6740/40A
ISL6745A
ISL6741
ISL6742
HIGH OUTPUT
CURRENT?
ISL6720A
FLYBACK
ISL6719
(>5A)
ISOLATED POWER PRODUCTS
YES
NO
BUS CONVERTER?
OFFLINE OPERATION
ENTER
(120/240VAC) or
ISL6721/22A/23A
(>250W)
ISL8840A-45A
ISL6726 (SR)
YES
YES
ISL6840-5
YES
HI
ISL6729*
ISL8843
HV?
ACTIVE CLAMP FORWARD,
NO
NEED START-UP
POWER
HALF-BRIDGE,
2-FET FORWARD
ISL8841A/44A/45A
FULL-BRIDGE
ISL6740/40A
ISL6721/22A/23A
LOW V IN ?
ASYMMETRIC
HALF-BRIDGE
ISL6841/44/45
ISL6745A
ISL6726
ISL6741
ISL6742
(<36V)
BIAS?
YES
ISL6729*
ISL6726
LEVEL?
NO
NO
(50 –250W)
NO
MED
ISL6740/40A
ISL6742
ISL6744A
ISL6745A
ISL6726
(<50W)
LOW
YES
Intersil Power Management Solutions  2012  www.intersil.com
NO
TELECOM/DATACOM?
ISL6721/22A/23A
HIGH OUTPUT
ISL8840A-45A
18V < V IN <100V
ISL6726 (SR)
CURRENT?
ISOLATION?
LOW V IN ?
ISL6840-5
FLYBACK
ISL6729*
ISL8843
(≤18V)
(>5A)
*The ISL6729 is intended for use in conjunction with a -Controller
to provide a digitally controlled peak current mode PWM.
YES
NO
NO
YES
YES
NO
ISL6721/22A/23A
ISL8840A-45A
ISL6726 (SR)
RESONANT RESET
ISL6840-5
ISL6729*
ISL8843
LOW POWER?
YES
PUSH-PULL
ISL6721/22A/23A
FORWARD,
ISL8840A-45A
ISL6726 (SR)
V OUT >V IN ?
(≤20W)
ISL6840-5
BOOST,
ISL6729*
ISL8843
SEPIC,
SWF
YES
ISL6741
ISL6742
NO
NO
ISL6726
ACTIVE CLAMP
V OUT NEGATIVE?
ISL6721/22A/23A
PUSH-PULL
FORWARD,
BUCK-BOOST
ISL8840A-45A
ISL6726 (SR)
ISL6840-5
ISL6729*
ISL8843
ISL6741
ISL6742
YES
NO
ISL6721/22A/23A
ISL8840A-45A
ISL6726 (SR)
ISL6840-5
ISL6729*
ISL8843
BUCK,
CUK,
SWF
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