PSoC® 3: CY8C32 Family
Data Sheet
Table 11-7. Inductive Boost Regulator AC Specifications
Unless otherwise specified, operating conditions are: VBAT = 2.4 V, VOUT = 2.7 V, IOUT = 40 mA, FSW = 400 kHz, LBOOST = 10 µH,
BOOST = 22 µF || 0.1 µF.
C
Parameter
VRIPPLE
FSW
Description
Ripple voltage (peak-to-peak)
Switching frequency
Conditions
Min
–
Typ
Max
100
–
Units
mV
VOUT = 1.8 V, FSW = 400 kHz, IOUT = 10 mA
–
–
0.1, 0.4,
or 2
MHz
Table 11-8. Recommended External Components for Boost Circuit
Parameter
LBOOST
CBOOST
IF
Description
Boost inductor
Filter capacitor[27]
Conditions
Min
Typ
10
22
–
Max
Units
µH
µF
4.7
10
1
47
47
–
External Schottky diode
average forward current VOUT > 3.6 V
External Schottky diode is required for
A
VR
20
–
–
V
Note
27. Based on device characterization (Not production tested).
Document Number: 001-56955 Rev. *J
Page 69 of 119
[+] Feedback
CYPRESS [ CYPRESS ]
