STM32L082KB datasheet(124/132 Pages) STMICROELECTRONICS

部件名	STM32L082KB

功能描述	Ultra-low-power 32-bit MCU Arm®-based Cortex®-M0, up to 192KB Flash, 20KB SRAM, 6KB EEPROM, USB, ADC, DACs, AES

PDF	132 Pages

Scroll/Zoom	100%

制造商	STMICROELECTRONICS [STMicroelectronics]

网页	http://www.st.com

标志

124 / 132 page

Package information

STM32L082xx

124/132

DS10688 Rev 7

7.5

Thermal characteristics

The maximum chip-junction temperature, TJ max, in degrees Celsius, may be calculated

using the following equation:

TJ max = TA max + (PD max × ΘJA)

Where:

•

TA max is the maximum ambient temperature in ° C,

•ΘJA is the package junction-to-ambient thermal resistance, in ° C/W,

•

PD max is the sum of PINT max and PI/O max (PD max = PINT max + PI/Omax),

•

PINT max is the product of IDD and VDD, expressed in Watts. This is the maximum chip

internal power.

PI/O max represents the maximum power dissipation on output pins where:

PI/O max = Σ (VOL × IOL) + Σ((VDD – VOH) × IOH),

taking into account the actual VOL / IOL and VOH / IOH of the I/Os at low and high level in the

application.

Table 82. Thermal characteristics(1)

1. TBD stands fro “to be defined”.

Symbol

Parameter

Value

Unit

ΘJA

Thermal resistance junction-ambient

UFQFPN32 - 5 x 5 mm / 0.5 mm pitch

°C/W

Thermal resistance junction-ambient

LQFP32 - 7 x 7 mm / 0.8 mm pitch

Thermal resistance junction-ambient

UFQFPN48 - 7 x 7 mm / 0.5 mm pitch

Thermal resistance junction-ambient

WLCSP49 - 0.4 mm pitch

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