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STC89C516RD25-I-PI Datasheet

TS1 0 TSO 0 P16 0 P15 0 P14 O P13 1 P12 0 Pll 0 Pl0 O P9 0 P8 0 P7 O P6 O P5 0 P4 O P3 O P2 O Pl O PO O


STC89C516RD25-I-PI Price

mm inch
DIM MIN TYP MAX MIN TYP MAX
A 1 1 0.433
A1 0 05 0.10 0.15 0.002 0.004 0.006
A2 0.85 0.9 0.95 0.335 0.354 0.374
b 0.19 0.30 0.0075 0.0118
C 0 09 0.20 0.0035 0.0079
D 4.9 5 5 1 0.193 0.197 0.201
E 6 25 6.4 6 5 0.246 0.252 0.256
E1 4.3 4.4 4.48 0.169 0.173 0 .176
e 0.65 BSC O0256 BSC
K 00 40 80 Oo 40 80
L 0.50 0.60 0.70 0.020 0.024 0.028


STC89C516RD25-I-PI on stock
For most applications, the inductor value will fall in the range of 2.2aH to lOccH. Its value is determined by the desired ripple current. Large value inductors lower ripple current and small value inductors result in higher ripple currents. Higher VIN or VOUT also increases the ripple current as shown in equationl.A reasonable starting point for setting ripple current is (Z:IL = 120mA (40% of 300mA).
. Two circuits served by separate power supplies . High-performance input amplifier incorporated . Reference voltage characterized by small temperature drift . Built-in circuit which compensates for lamp voltage characteristic variations . Operating temperature range : from -40 t0 850C . Plastic SIP-9 pin