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PAM8945 数据表(PDF) 3 Page - Diodes Incorporated

部件名 PAM8945
功能描述  4.0W CLASS-G AUDIO AMPLIFIER WITH INTEGRATED
PDF  9 Pages
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制造商  DIODES [Diodes Incorporated]
网页  http://www.diodes.com
标志 DIODES - Diodes Incorporated

PAM8945 数据表(HTML) 3 Page - Diodes Incorporated

  PAM8945 Datasheet HTML 1Page - Diodes Incorporated PAM8945 Datasheet HTML 2Page - Diodes Incorporated PAM8945 Datasheet HTML 3Page - Diodes Incorporated PAM8945 Datasheet HTML 4Page - Diodes Incorporated PAM8945 Datasheet HTML 5Page - Diodes Incorporated PAM8945 Datasheet HTML 6Page - Diodes Incorporated PAM8945 Datasheet HTML 7Page - Diodes Incorporated PAM8945 Datasheet HTML 8Page - Diodes Incorporated PAM8945 Datasheet HTML 9Page - Diodes Incorporated  
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PAM8945
Document number: DS38267 Rev. 1 - 2
3 of 9
www.diodes.com
December 2015
© Diodes Incorporated
PAM8945
Functional Block Diagram
+
-
PWM
Modulator
UVLO
Startup
Protec tion
OSC
Gate
Driv e
Gate
Driv e
SCP
OTP
DCP
VREF
IN+
IN-
OUT+
OUT-
VBAT
Bias
EN
AGC
PGND
Boos t Conv ertor
PVDD
SW
AGND
BGND
AGC
Absolute Maximum Ratings (@TA = +25°C, unless otherwise specified.)
Symbol
Parameter
Value
Unit
VBAT
Supply Voltage
-0.3 to 6.0
V
V
I
Input Voltage, EN, IN+, IN-, AGC
-0.3 to VBAT + 0.3
V
T
A
Operating Free-air Temperature Range
-40 to +85
°C
T
J
Operating Junction Temperature Range
-40 to +150
°C
T
STG
Storage Temperature Range
-65 to +150
°C
Recommended Operating Conditions (@TA = +25°C, unless otherwise specified.)
Symbol
Parameter
Min
Max
Unit
VBAT
Supply Voltage
2.8
5.2
V
V
IH
High-Level Input Voltage
EN
1.3
VBAT
V
V
IL
Low-Level Input Voltage
EN
GND
0.6
V
T
A
Operating Free-Air Temperature
-40
+85
°C
Thermal Information
Symbol
Parameter
Package
Max
Unit
θJA
Thermal Resistance (Junction to Ambient)
W-QFN3020-12
62
°C/W
θJc
Thermal Resistance (Junction to Case)
W-QFN3020-12
11



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