CY8C54 CYPRESS [Cypress Semiconductor], CY8C54 Datasheet - Page 60

• Manufacturer Part Number: CY8C54
• Description: Programmable System-on-Chip (PSoC)
• Manufacturer: CYPRESS [Cypress Semiconductor]

11.3 Power Regulators
Specifications are valid for -40°C ≤ Ta ≤ 85°C and Tj ≤ 100°C, except where noted. Specifications are valid for 1.71V to 5.5V, except
where noted.
11.3.1 Digital Core Regulator
Table 11-4. Digital Core Regulator DC Specifications
11.3.2 Analog Core Regulator
Table 11-5. Analog Core Regulator DC Specifications
11.3.3 Inductive Boost Regulator
Table 11-6. Inductive Boost Regulator DC Specifications
Document Number: 001-55036 Rev. *A
Notes
Parameter
Vddd
Vccd
Vdda
Vcca
Vbat
Iboost
Lboost
Cboost
If
Vr
Ilpk
Parameter
Parameter
10. For output voltages above 3.6V, an external diode is required.
11. Maximum output current applies for output voltages ≤ 4x input voltage.
Input voltage
Output voltage
Regulator output capacitance
Input voltage
Output voltage
Regulator output capacitor
Input voltage
Load current
Boost inductor
Filter capacitor
External Schottky diode average
forward current
External Schottky diode peak
reverse voltage
Inductor peak current
Quiescent current
Description
Description
Description
[10, 11]
[9]
PRELIMINARY
Total capacitance on the two Vccd pins.
Each capacitor is ±10%, X5R ceramic or
better, see
Includes startup
Vin=1.6-5.5V, Vout=1.6-5.0V, external
diode
Vin=1.6-3.6V, Vout=1.6-3.6V, internal diode
Vin=0.8-1.6V, Vout=1.6-3.6V, internal diode
Vin=0.8-1.6V, Vout=3.6-5.0V, external
diode
Vin=0.5-0.8V, Vout=1.6-3.6V, internal diode
10 µH spec'd
22 µF || 0.1 µF spec'd
External Schottky diode is required for
Vboost > 3.6V
External Schottky diode is required for
Vboost > 3.6V
Boost active mode
Boost standby mode, 32 khz external crystal
oscillator, Iboost < 1 µA
±10%, X5R ceramic or better
Power System
Conditions
Conditions
Conditions
PSoC
on page 22
®
5: CY8C54 Family Data Sheet
Min
Min
1.8
Min
0.5
4.7
1.8
10
20
1
-
-
-
-
-
-
-
-
-
-
-
-
1.80
Typ
1.80
1.1
Typ
Typ
200
10
22
12
-
1
-
-
-
-
-
-
-
-
-
-
Max
Max
Max
700
5.5
5.5
5.5
50
75
30
20
15
47
47
-
-
-
-
-
-
-
-
Page 60 of 93
Units
Units
Units
mA
mA
mA
mA
mA
mA
µH
µA
µA
µF
µF
µF
V
A
V
V
V
V
V
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