MC34063AD ON Semiconductor, MC34063AD Datasheet - Page 6
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MC34063AD
Manufacturer Part Number
MC34063AD
Description
IC REG SW 1.5A STEP UP/DN 8-SOIC
Manufacturer
ON Semiconductor
Type
Step-Down (Buck), Step-Up (Boost), Invertingr
Datasheet
1.MC33063MNTXG.pdf
(15 pages)
Specifications of MC34063AD
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Voltage - Output
1.25 ~ 40 V
Current - Output
1.5A
Frequency - Switching
100kHz
Voltage - Input
3 ~ 40 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
8-SOIC (3.9mm Width)
Power - Output
625mW
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Contains lead / RoHS non-compliant
Other names
MC34063ADOS
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8. If the output switch is driven into hard saturation (non−Darlington configuration) at low switch currents (≤ 300 mA) and high driver currents
V
in
(≥ 30 mA), it may take up to 2.0 ms 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.
R
sc
8
7
6
9a. External NPN Switch
Figure 10. External Current Boost Connections for I
1
2
http://onsemi.com
V
out
6
V
in
R
sc
9b. External NPN Saturated Switch
8
7
6
C
Peak Greater than 1.5 A
(See Note 8)
1
2
R
R ³ 0 for
constant V
in
V
out