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MC34063A, MC33063A, SC34063A, SC33063A, NCV33063A
8
1
V out
8
1
R
V out
R sc
7
2
R sc
7
2
V in
6
V in
6
R 3 0 for
constant V in
Figure 10. External Current Boost Connections for I C Peak Greater than 1.5 A
9a. External NPN Switch
9b. External NPN Saturated Switch
(See Note 8)
8. If the output switch is driven into hard saturation (non ? Darlington configuration) at low switch currents ( ≤ 300 mA) and high driver currents
( ≥ 30 mA), it may take up to 2.0 m s to come out of saturation. This condition will shorten the off time at frequencies ≥ 30 kHz, and is magnified
at high temperatures. This condition does not occur with a Darlington configuration, since the output switch cannot saturate. If a
non ? Darlington configuration is used, the following output drive condition is recommended.
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6
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相关PDF资料
HCM06DRYN
CONN EDGECARD 12POS DIP .156 SLD
SJA7501-1-1/2-50-BLACK
LOOP BLACK 1 1/2" X 50YD X 0.12"
EBM11DRYH
CONN EDGECARD 22POS DIP .156 SLD
EEV-HB1C100R
CAP ALUM 10UF 16V 20% SMD
TARQ155K020
CAP TANT 1.5UF 20V 10% AXIAL
RE-243.3S/H
CONV DC/DC 1W 24VIN 3.3VOUT
L-07C4N3SV6T
CER INDUCTOR 4.3NH 0402
A9CCG-1005F
FLEX CABLE - AFG10G/AF10/AFG10G
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