ISL6334AR5368 Datasheet, PDF (3/31 Pages) Intersil Corporation – VR11.1, 4-Phase PWM Controller with Light Load Efficiency Enhancement and Load Current Monitoring Features

ISL6334AR5368
Controller and Driver Recommendation
CONTROLLER
ISL6334A
COMMENTS
When PSI# is asserted low, the remained channel transmits normal CCM PWM that can be recognized by any Intersil driver
such as ISL6612/ISL6614, ISL6596, ISL6610, and even ISL6622/ISL6620. The dropped channel remains in tri-state.
DRIVER
GATE
# OF
DRIVE GATE
VOLTAGE DRIVES
DIODE
EMULATION
(DE)
GATE
DRIVE
DROP
(GVOT)
COMMENTS
ISL6622
12V
Dual
Yes
Yes
For PSI# channel and its coupled channel in coupled inductor
applications or all channels
ISL6622A,
ISL6622B
12V
Dual
Yes
No
For PSI# channel and its coupled channel in coupled inductor
applications or all channels.
ISL6620, ISL6620A
5V
Dual
Yes
No
For PSI# channel and its coupled channel in coupled inductor
applications or all channels
ISL6612, ISL6612A 12V
Dual
No
No
For dropped phases or all channels with ISL6634A
ISL6596
5V
Dual
No
No
For dropped phases or all channels with ISL6634A
ISL6614, ISL6614A 12V
Quad
No
No
For dropped phases or all channels with ISL6634A
ISL6610, ISL6610A
5V
Quad
No
No
For dropped phases or all channels with ISL6634A
NOTE: Note: Intersil 5V and 12V drivers are mostly pin-to-pin compatible and allow dual footprint layout to optimize MOSFET selection and efficiency.
Dual = One Synchronous Channel; Quad = Two Synchronous Channels.
3
FN6839.2
September 7, 2010