ic

UC3851N

Symbol
COMP1START/UV2OV_SENSE3STOP4RESET5CUR_THRESH6CUR_SENSE7SLOW_START8RT/CT9N.I_INPUT18INV_INPUT175.0V_REF16+VIN_SUPPLY15DRIVE_BIAS14GND13PWM_OUT12VIN_SENSE11RAMP10
Footprint
118217316415514613712811910
3D Model
Pin Map
PinNameTypeMountShapeWidth × Height (mm)Drill (mm)
COMPinputTHToval1.462×1.8280.8
START/UVoutputTHToval1.462×1.8280.8
OV_SENSEioTHToval1.462×1.8280.8
STOPpassiveTHToval1.462×1.8280.8
RESETinputTHToval1.462×1.8280.8
CUR_THRESHpassiveTHToval1.462×1.8280.8
CUR_SENSEpassiveTHToval1.462×1.8280.8
SLOW_STARTpassiveTHToval1.462×1.8280.8
RT/CTpassiveTHToval1.462×1.8280.8
RAMPpassiveTHToval1.462×1.8280.8
VIN_SENSEinputTHToval1.462×1.8280.8
PWM_OUTpassiveTHToval1.462×1.8280.8
GNDgroundTHToval1.462×1.8280.8
DRIVE_BIASpassiveTHToval1.462×1.8280.8
+VIN_SUPPLYpassiveTHToval1.462×1.8280.8
5.0V_REFpassiveTHToval1.462×1.8280.8
INV_INPUTpassiveTHToval1.462×1.8280.8
N.I_INPUTpassiveTHToval1.462×1.8280.8

Key Parameters

Power Rating
1W

Save parts to a list and design PCBs from them

View Datasheet

Details

Category
ic
MPN
UC3851N
Manufacturer
Texas Instruments
Package
PDIP-18
Footprint
PDIP-18_L22.9-W6.4-P2.54-LS7.9-BL
JLCPCB
C2872367
LCSC
C2872367
Lifecycle
active
Mounting
THT
RoHS
Compliant
MSL
MSL 1
ECCN
EAR99

JLCPCB Stock & Pricing

In Stock(3 pcs)
1-2 pcs$40.8287
3-4 pcs$40.8287
5-29 pcs$40.8287
30-33 pcs$38.8367
34-35 pcs$38.8367
36+ pcs$38.8367