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| MIC2564A_04 Datasheet, PDF (6/14 Pages) Micrel Semiconductor – Dual Serial PCMCIA/CardBus Power Controller | |||
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MIC2564A
Output Timing Diagrams
VPP
Enable
0
A
B
VPP to 3.3V VPP to 12V
C
DE
VPP to 3.3V VPP VPP to 5V
OFF
t7
t9
12V
F
VPP to 12V
t8
Micrel
G
H
J
K
VPP to 5V
t10
VPP
OFF
VPP to 12V
t6
VPP OFF
t13
t16
VPP
OUT
t1 t4
5V
3.3V
t2
t11
t5
t14
t15
t3
t12
0
/FLAG
Figure 3. VPP Timing Diagram
VPP Enable is shown generically. RL = 100W. CL = negligible. Refer to the serial control timing diagrams for details.
At time âAâ, VPP = 3.3V is selected, âBâ, VPP is set to 12V, âCâ, VPP = 3.3V (from 12V), âDâ, VPP is disabled, âEâ, VPP is
programmed to 5V, âFâ, VPP is set to 12V, âGâ, VPP is programmed to 5V, âHâ, VPP is disabled, âJâ, VPP is set to 12V, âKâ, VPP
is again disabled.
A
B
C
D
VCC
Enable
0
VCC to 3.3V
VCC OFF
VCC to 5V
VCC OFF
t17 t19
t23 t21
t18
t20
t24
t22
5V
VCC 3.3V
OUT
0
/FLAG
0
Figure 4. VCC Timing Diagram
VCC Enable is shown generically. RL = 10W. Refer to the serial control timing diagrams for specific control logic input.
At time âAâ, VCC is programmed to 3.3V, âBâ, VCC is disabled, âCâ, VCC is programmed to 5V, âDâ, VCC is disabled.
M0250-031104
6
March 2004
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