General Spurious Emissions Specifications; Internal Regulator Electrical Specifications; Core Buck Switching Regulator - Infineon Cypress CYW43353 Manual

Table of Contents

Advertisement

15.7 General Spurious Emissions Specifications

Table 36. General Spurious Emissions Specifications
Parameter
Frequency range
TX emissions
RX/standby emissions
1.
The value presented in this table is the result of LO leakage at 3/2 * f
emissions in this range, the value is –96 dBm.
16. Internal Regulator Electrical Specificatio ns
Functional operation is not guaranteed outside of the specification limits provided in this section.

16.1 Core Buck Switching Regulator

Table 37. Core Buck Switching Regulator (CBUCK) Specifications
Specification
Input supply voltage (DC)
PWM mode switching frequency
PWM output current
Output current limit
Output voltage range
PWM output voltage
DC accuracy
PWM ripple voltage, static
PWM mode peak efficiency
PFM mode efficiency
Start-up time from power down
External inductor
External output capacitor
External input capacitor
Document Number: 002-14949 Rev. *G
PRELIMINARY
Condition/Notes
General Spurious Emissions
30 MHz < f < 1 GHz
1 GHz < f < 12.75 GHz
1.8 GHz < f < 1.9 GHz
5.15 GHz < f < 5.3 GHz
30 MHz < f < 1 GHz
1 GHz < f < 12.75 GHz
1.8 GHz < f < 1.9 GHz
5.15 GHz < f < 5.3 GHz
DC voltage range inclusive of disturbances.
CCM, Load > 100 mA VBAT = 3.6V
Programmable, 30 mV steps Default = 1.35V
Includes load and line regulation.
Forced PWM mode
Measure with 20 MHz bandwidth limit.
Static Load. Max. Ripple based on VBAT = 3.6V, Vout = 1.35V,
Fsw = 4 MHz, 2.2 μH inductor L > 1.05 μH, Cap + Board total-
ESR < 20 mΩ, C
> 1.9 μF, ESL<200pH
out
Peak Efficiency at 200 mA load
10 mA load current
VIO already ON and steady. Time from REG_ON rising edge
to CLDO reaching 1.2V
0806 size, ± 30%, 0.11 ± 25% Ohms
Ceramic, X5R, 0402, ESR <30 mΩ at 4 MHz, ± 20%, 6.3V
For SR_VDDBATP5V pin, ceramic, X5R, 0603,
ESR < 30 mΩ at 4 MHz, ± 20%, 6.3V, 4.7 µF
RBW = 100 kHz
RBW = 1 MHz
RBW = 1 MHz
RBW = 1 MHz
RBW = 100 kHz
RBW = 1 MHz
RBW = 1 MHz
RBW = 1 MHz
for 2.4 GHz or 2/3 * f
for 5 GHz (where f
c
c
Notes
CYW43353
Min.
Typ.
Max.
2400
2500
–93
–45.5
–72
–87
–107
1
–65
–87
–100
is the carrier frequency). For all other
c
Min.
Typ.
3.0
3.6
2.8
4
1400
1.2
1.35
–4
7
78
86
70
81
2.2
2
4.7
2.0
2
4.7
0.67
Unit
MHz
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
Max.
Units
1
V
4.8
5.2
MHz
600
mA
mA
1.5
V
4
%
20
mVpp
%
%
850
µs
µH
3
µF
10
µF
Page 87 of 113

Advertisement

Table of Contents
loading

Table of Contents