TPS51120RHBT . ,Dual Current Mode, Synch Step-Down Controller With 100-mA Standby Reg For Notebook System Power 32-VQFN -40 to 85Features 3 DescriptionThe TPS51120 is a highly sophisticated dual,1• 3.3-V and 5-V 100-mA Bootstrap ..
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TPS51120-TPS51120RHBR-TPS51120RHBT-TPS51120RHBT .
Dual Current Mode, Synch Step-Down Controller With 100-mA Standby Reg For Notebook System Power
SKIPSEL
TONSEL
PGOOD1
EN1
EN5
EN3
PGOOD2
EN2 TPS51120RHB
(QFN−32)
VBST1
DRVH1
VBST2
LL2
DRVL2
PGND2
VO2
COMP2
VFB2
GND
VREF2
VFB1
COMP1
VO1
CS2
VREG3
V5FIL
VREG5
VIN
PGND1VO1
5V/6A
IRF7832
IRF7821 VO1_GND
VBAT
IRF7821
VBAT
GND
V5FILT
EN_1
P_GOOD1P_GOOD2
EN_2
EN_LDO5
EN_LDO3
GND R11
100kΩ
C10µF
4.7µH
C11
0.1µF
C31nF
R21
100kΩ
C21
0.1µF
C10µF• Fault Disable Mode latch off by hitting negative voltage
appearsat output UVLO, UVP,• Supply Input Voltage Range: 4.5Vto28V
and OCP, OTPor
Applications The TPS51120 32-pin QFN packageis specified from
Notebook Computers System Bus and I/O –40°Cto 85°C ambient temperature.
Device Information(1)(1) Forall available packages, see the orderable addendumat
the endofthe datasheet.
Reference Design for D-CAP Mode Converter
