CY8C34_11 CYPRESS [Cypress Semiconductor], CY8C34_11 Datasheet - Page 70

• Manufacturer Part Number: CY8C34_11
• Manufacturer: CYPRESS [Cypress Semiconductor]

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. *K
V
F
OUT
Parameter
Note
L
C
I
V
29. Based on device characterization (Not production tested).
BOOST
SW
RIPPLE
F
BOOST
BOOST
R
Parameter
= 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
= 3.3 V, L
PSoC
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
Max
BOOST
47
47
–
–
Page 70 of 126
Max
100
–
= 10 µH,
Units
Units
µH
µF
MHz
A
V
mV
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