ISL78220ANEZ Datasheet, PDF (4/22 Pages) Intersil Corporation – 6-Phase Interleaved Boost PWM Controller with Light Load Efficiency Enhancement

ISL78220
Ordering Information
PART NUMBER
(Notes 2, 3)
PART
MARKING
TEMP RANGE
(°C)
PACKAGE
(Pb-free)
PKG.
DWG. #
ISL78220ANEZ (Note 1)
ISL78220 ANEZ
-40 to +125
44 Ld EP-TQFP
Q44.10x10A
ISL78220EVAL1Z
Evaluation Board: 6 phase synchronous boost (6V to 11V input, 12V, 30A output - see web for details)
NOTES:
1. Add “-T*” suffix for tape and reel. Please refer to TB347 for details on reel specifications.
2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte
tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil
Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
3. For Moisture Sensitivity Level (MSL), please see device information page for ISL78220. For more information on MSL please see tech brief TB363.
ISL78220 Block Diagram
VIN_OVB
VOUT_SEN
PGOOD
VOUT_OVB
VIN_SEN
VIN
VCC
EN
2.4V
OV_IN
REF
5V LDO
2V
POR
1.2V
OVER OT
TEMP
5µA
SS
DRIVE_EN
SOFT- START LOGIC
VREF2
FB
COMP
2V
Gm
2.4V
OC_ALL
OC_PH
OV_OUT
OV_IN
UV
OC
OT
S
Q
R
2.4V
FB
FAULT CONTROL
CIRCUITS
OV_OUT
UV
0.8VREF
DMAX
DUPLICATE FOR EACH CHANNEL
DMAX
OT
OC
OV_OUT
PH3 PH4 PH5 PH6
20kΩ
OC_PH
S
R1 Q
R2
IOUT
IOUT1
PHASE DROP CONTROL
ADDER
OC_ALL
2V
IOUT6
GND
SYNC
PLL_COMP
SYNC DETECT
VCO
SLOPE
COMPENSATION
CLK_OUT
DMAX
FS
SLOPE
ISEN1
CSA
IOUT1
160µA
(FOR PH1 & PH2
ZCD
ONLY)
PWM CONTROL
ISEN1P
ISEN1N
PWM1
MODE
PWM_TRI
PWM_INV
MODE
4
FN7688.3
December 24, 2013