CY8C3446LTI-073 Cypress Semiconductor Corp, CY8C3446LTI-073 Datasheet - Page 70

• Manufacturer Part Number: CY8C3446LTI-073
• Description: IC MCU 8BIT 64KB FLASH 48QFN
• Manufacturer: Cypress Semiconductor Corp
• Series: PSOC™ 3 CY8C34xxr

Specifications of CY8C3446LTI-073

• Package / Case: *
• Voltage - Supply (vcc/vdd): 1.71 V ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Speed: 50MHz
• Number Of I /o: 25
• Eeprom Size: 2K x 8
• Core Processor: 8051
• Program Memory Type: FLASH
• Ram Size: 8K x 8
• Program Memory Size: 64KB (64K x 8)
• Data Converters: A/D 2x12b, D/A 2x8b
• Oscillator Type: Internal
• Peripherals: CapSense, DMA, POR, PWM, WDT
• Connectivity: EBI/EMI, I²C, LIN, SPI, UART/USART, USB
• Core Size: 8-Bit
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Technology: CMOS
• Processing Unit: Microcontroller
• Operating Supply Voltage (min): 1.8V
• Operating Supply Voltage (typ): 2.5/3.3/5V
• Operating Supply Voltage (max): 5.5V
• Package Type: QFN EP
• Screening Level: Industrial
• Pin Count: 48
• Mounting: Surface Mount
• Rad Hardened: No
• Processor Series: CY8C34
• Core: 8051
• Data Bus Width: 32 bit
• Data Ram Size: 8 KB
• Interface Type: I2C, SPI, UART, USB
• Maximum Clock Frequency: 50 MHz
• Number Of Programmable I/os: 28 to 72
• Number Of Timers: 4
• Operating Supply Voltage: 1.71 V to 5.5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Controller Family/series: (8051) PSOC 3
• No. Of I/o's: 25
• Eeprom Memory Size: 2KB
• Ram Memory Size: 8KB
• Cpu Speed: 50MHz
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Compliant, Lead free / RoHS Compliant

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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