MC33998 Datasheet, PDF (11/20 Pages) Freescale Semiconductor, 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
tDet
0
5.0
??V
2.0V
0
??V
2.0V
4.8V
tRet
2.6
0
TIME
Figure 3. V_REF Retry Timer
14
0
5.0
0
5.0
4.6V
0
tD(P _{W RO K)}
2.6
0
TIME
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,}
Go to: www.freescale.com
33998
11