MIC2562A-1BTS データシートの表示（PDF） - Micrel
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MIC2562A-1BTS Datasheet PDF : 12 Pages
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MIC2562A
Micrel
A
B
C
DE
F
VPP
Enable
0
VPP
to 3.3V
VPP
to 12V
VPP
to 3.3V
VPP
OFF
VPP
to 5V
VPP
to 12V
t7
t9
t8
12V
G
VPP
to 5V
t10
H
J
K
VPP
OFF
VPP
to 12V
VPP
OFF
t13
t6
t16
VPP
Output
5V
t4
t1
3.3V
t2
t11
t5
t14
t3
t15
t12
0
/FLAG
Figure 1. MIC2562A VPP Timing Diagram
VPP Enable is shown generically: refer to the timing tables. At time “A,” VPP = 3.3V is selected. At “B,” VPP is set to 12V. At
“C,” VPP = 3.3V (from 12V). At “D,” VPP is disabled. At “E,” VPP is programmed to 5V. At “F,” VPP is set to 12V. At “G,” VPP is
programmed to 5V. At “H,” VPP is disabled. At “J,” VPP is set to 12V. And at “K,” VPP is again disabled. RL = 100Ω for all
measurements. Load capacitance is negligible.
A
VCC
Enable
0
VCC to 3.3V
5V
3.3V
VCC
Output
t1
t3
0
B
C
VCC OFF
VCC to 5V
t7
t5
t2
t4
D
VCC OFF
t8
t6
/FLAG
0
Figure 2. MIC2562A VCC Timing Diagram
VCC Enable is shown generically: refer to the timing tables for specific control logic input. At time “A,” VCC is programmed to
3.3V. At “B,” VCC is disabled. At “C,” VCC is programmed to 5V. And at “D,” VCC is disabled. RL = 10Ω. FLAG pull-up resistor
is 10kΩ to VCC3 IN.
June 2004
5
M9999-062204
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