MC33997 Datasheet, PDF (11/20 Pages) Motorola, Inc – Switching Power Supply with Linear Regulators

Freescale Semiconductor, Inc.
6.0
0
5.0
2.5V
0
5.0
Timing Diagrams
tSS
4.8V
0
TIME
Figure 2. Soft-Start Time
14
0
5.0
0
tDet
5.0
4.0?V?V
2.0V
0
tRet
2.0V
3.3
0
TIME
Figure 3. V_REF Retry Timer
14
0
5.0
0
5.0
4.6V
0
tD(P _{W RO K)}
3.3
0
T IM E
Figure 4. PWROK Delay Timer (Power-On Reset)
MOTOROLA ANALOG INTEGRATED CIR_FC_oUI_rT_MDE_oV_rIC_eE_ID_nA_foTA_{rmation On This Product,}
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33997
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