CY8C34_1105 CYPRESS [Cypress Semiconductor], CY8C34_1105 Datasheet - Page 72
CY8C34_1105
Manufacturer Part Number
CY8C34_1105
Description
Programmable System-on-Chip (PSoC) DC to 50 MHz operation
Manufacturer
CYPRESS [Cypress Semiconductor]
Datasheet
1.CY8C34_1105.pdf
(127 pages)
- Current page: 72 of 127
- Download datasheet (5Mb)
Table 11-7. Inductive Boost Regulator AC Specifications
Unless otherwise specified, operating conditions are: V
C
Table 11-8. Recommended External Components for Boost Circuit
Figure 11-8. Efficiency vs V
I
Document Number: 001-53304 Rev. *L
V
F
OUT
Parameter
Note
L
C
I
V
29. Based on device characterization (Not production tested).
BOOST
RIPPLE
SW
F
BOOST
R
Parameter
BOOST
= 30 mA, V
= 22 µF || 0.1 µF.
Ripple voltage (peak-to-peak)
Switching frequency
BAT
Boost inductor
Filter capacitor
External Schottky diode
average forward current
ranges from 0.7 V to V
Description
Description
OUT
[29]
OUT
External Schottky diode is required for
V
, L
OUT
BOOST
V
OUT
> 3.6 V
BAT
= 22 µH
= 1.8 V, F
= 2.4 V, V
Conditions
SW
Conditions
Figure 11-9. Efficiency vs V
I
= 400 kHz, I
OUT
OUT
= 30 mA, V
= 2.7 V, I
OUT
OUT
= 10 mA
OUT
= 40 mA, F
PSoC
= 3.3 V, L
Min
4.7
10
20
Min
1
SW
BAT
–
–
®
BOOST
= 400 kHz, L
3: CY8C34 Family
Typ
0.1, 0.4,
10
22
= 22 µH
–
–
Typ
or 2
–
Data Sheet
BOOST
Max
47
47
–
–
Page 72 of 127
Max
100
–
= 10 µH,
Units
Units
µH
µF
MHz
A
V
mV
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