MC33997 Datasheet, PDF (16/20 Pages) Motorola, Inc – Switching Power Supply with Linear Regulators

Freescale Semiconductor, Inc.
Designator
Value / Rating
Description/Part No.
Manufacturer ((NNoottee1167))
Cs1, Cs2
33 nF/25 V
Ceramic X7R
Any Manufacturer
Cc1
2.2 nF/16 V
Ceramic X7R
Any Manufacturer
R1, R2
R3 (Optional)
10 kΩ
2.2 Ω
Resistor 0805, 5%
Resistor 0805, 5%
Any Manufacturer
Any Manufacturer
Rc1
3.6 kΩ
Resistor 0805, 5%
Any Manufacturer
Lf1
10 µH
CDRH127-100M
or SLF10145-100M2R5
Sumida
TDK
L1
15 µH
CDRH127-150MC
or SLF10145-150M2R2
Sumida
TDK
Q1
1.0 A/20 V
Bipolar Transistor/BCP68T1
ON Semiconductor
D1
2.0 A/50 V
Schottky Diode/SS25
General Semiconductor
Dp1
3.0 A/200 V
Diode / MURS320
ON Semiconductor
Dp2
27 V
Transient Voltage Suppressor/SM5A27
General Semiconductor
Notes
17. Motorola does not assume liability, endorse, or warrant components from external manufacturers that are referenced in circuit drawings or
tables. While Motorola offers component recommendations in this configuration, it is the customer’s responsibility to validate their application.
33997
16
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