ISL78229 Datasheet, PDF (8/71 Pages) Intersil Corporation – 2-Phase Boost Controller with Drivers

ISL78229
Typical Application - 2-Phase Synchronous Boost
VIN
EN_IC
RVCC
10
CVCC
1µF
RNTC
RP_NTC
PMBus
POWER-GOOD
VCC
RPG
CLOCK_OUT
CSS
CPLL1
6.8nF
RPLL
3.3k
CPLL2
1nF _RFS
RSLOPE
RBLANK
RDT
VCC
VCC
VCC
PVCC
SGND
VIN
EN
PGND
BOOT1
NTC
ADDR1
ADDR2
SDA
SCL
SALERT
PGOOD
TRACK
CLKOUT
SS
ISL78229
PLLCOMP
UG1
PH1
LG1
ISEN1N
ISEN1P
BOOT2
UG2
PH2
LG2
PVCC
CPVCC
10µF
DBOOT1
RPVCCBT
5.1
PVCC_BT
CBOOT1
0.47µF
Q1
COUT
L1
Q2
RBIAS1B
RBIAS1A
CISEN1
220pF
RSET1B
RSET1A
DBOOT2
PVCC_BT
CBOOT2
0.47µF
Q3
COUT
L2
Q4
FSYNC
SLOPE
RBLANK
RDT
ATRK/DTRK
HIC/LATCH
DE/PHDRP
ISEN2N
ISEN2P
IMON
FB
COMP
RBIAS2B
RSET2B
CIMON
RIMON
CCP1
RCP
CISEN2
220pF
RBIAS2A
RSET2A
RFB2
RFB1
CCP2
RSEN1
1m 
RSEN2
1m
CIN
CIN
VOUT
VIN
ATRK/DTRK:
= VCC to track analog signal
= GND to track digital signal
Q1, Q2, Q3, Q4: 2 BUK9Y6R0-60E in parallel
HIC/LATCH:
= VCC for HICCUP mode
= GND for LATCHOFF mode
DE/PHDRP:
= VCC for DE mode
= FLOAT for DE and Phase-Drop mode
= GND for CCM mode
FIGURE 4. TYPICAL APPLICATION - 2-PHASE SYNCHRONOUS BOOST
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8
FN8656.3
February 12, 2016