CY8C32_12 CYPRESS [Cypress Semiconductor], CY8C32_12 Datasheet - Page 70
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CY8C32_12
Manufacturer Part Number
CY8C32_12
Description
Manufacturer
CYPRESS [Cypress Semiconductor]
Datasheet
1.CY8C32_12.pdf
(122 pages)
- Current page: 70 of 122
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11.3.3 Inductive Boost Regulator.
Table 11-6. Inductive Boost Regulator DC Specifications
Unless otherwise specified, operating conditions are: V
C
Table 11-7. Inductive Boost Regulator AC Specifications
Unless otherwise specified, operating conditions are: V
C
Document Number: 001-56955 Rev. *N
Notes
V
Parameter
24. For output voltages above 3.6 V, an external diode is required.
25. Maximum output current applies for output voltages 4x input voltage.
26. Based on device characterization (Not production tested).
27. At boost frequency of 400 kHz, V
V
I
I
I
V
Reg
Reg
BOOST
BOOST
RIPPLE
OUT
LPK
Q
BAT
OUT
Parameter
LOAD
LINE
= 22 µF || 0.1 µF
= 22 µF || 0.1 µF.
Ripple voltage (peak-to-peak)
Input voltage
Includes startup
Load current, steady
state
Inductor peak current
Quiescent current
Boost voltage range
1.8 V
1.9 V
2.0 V
2.4 V
2.7 V
3.0 V
3.3 V
3.6 V
5.0 V
Load regulation
Line regulation
Description
[24, 25]
Description
OUT
is limited to 4 x V
[26, 27]
T=-35 °C to +65 °C
Over entire temperature range
V
external diode
V
internal diode
V
internal diode
V
external diode
V
internal diode
Boost active mode
Boost standby mode, 32 khz external crystal
oscillator, I
External diode required
BAT
BAT
BAT
BAT
BAT
BAT
.
= 1.6 – 3.6 V, V
= 1.6 – 3.6 V, V
= 0.8 – 1.6 V, V
= 0.8 – 1.6 V, V
= 0.5 – 0.8 V, V
0.5 V < V
F
SW
= 400 kHz, I
BAT
BAT
OUT
= 2.4 V, V
= 2.4 V, V
BAT
< 1 ìA
Conditions
< 1.7V, V
Conditions
OUT
OUT
OUT
OUT
OUT
OUT
OUT
OUT
= 3.6 – 5.0 V,
= 1.6 – 3.6 V,
= 1.6 – 3.6 V,
= 3.6 – 5.0 V,
= 1.6 – 3.6 V,
= 10 mA
OUT
= 2.7 V, I
= 2.7 V, I
= 1.8 V,
OUT
OUT
= 40 mA, F
= 40 mA, F
PSoC
0.68
1.71
1.81
1.90
2.28
2.57
2.85
3.14
3.42
4.75
Min
0.5
–
–
–
–
–
–
–
–
–
–
Min
SW
SW
®
–
3: CY8C32 Family
= 400 kHz, L
= 400 kHz, L
1.80
1.90
2.00
2.40
2.70
3.00
3.30
3.60
5.00
Typ
200
12
–
–
–
–
–
–
–
–
–
–
Typ
–
Data Sheet
5.25
Max
1.89
2.00
2.10
2.52
2.84
3.15
3.47
3.78
BOOST
BOOST
700
3.6
3.6
3.8
4.1
50
75
30
20
15
–
–
Page 70 of 122
Max
100
= 10 µH,
= 10 µH,
Units
mA
mA
mA
mA
mA
mA
µA
µA
Units
%
%
V
V
V
V
V
V
V
V
V
V
V
mV
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