TPS92314DR Datasheet, PDF (7/26 Pages) Texas Instruments – Off-Line Primary Side Sensing Controller with PFC

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TPS92314
TPS92314A
SNVS856B – JUNE 2012 – REVISED MAY 2013
SIMPLIFIED INTERNAL BLOCK DIAGRAM
VCC
BIAS & VREF
AGND
UVLO
VCC_OV
V_{OCP_TH} V_{REF VC1}
V_{CC_UVLO_TH}
DRV
V_{CC_OV_TH}
TSD
V_TRIG/V_ARM
ZCD
LEB
ZCD_OVP
ZC
CONTROL
LOGIC
V_ONpk
T_ON Peak
Hold
LEB
OCP
T_ON
ON
V_C1
I_REF
Internal
Ramp
V_{OCP_TH}
R_OCP
COMP
D
UVLO
DRV
V_ONpk
OFT
ZC
DELAY
ON
I_DLY
V/I
Figure 13. Simplified Block Diagram
GATE
PGND
ISNS
DLY
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