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PAM8945 Datasheet(PDF) 3 Page - Diodes Incorporated

Part # PAM8945
Description  4.0W CLASS-G AUDIO AMPLIFIER WITH INTEGRATED BOOST CONVERTER
PDF  9 Pages
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Manufacturer  DIODES [Diodes Incorporated]
Direct Link  http://www.diodes.com
Logo DIODES - Diodes Incorporated

PAM8945 Datasheet(HTML) 3 Page - Diodes Incorporated

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PAM8945
Document number: DS38267 Rev. 2 - 2
3 of 9
www.diodes.com
June 2016
© 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-QFN2030-12
62
°C/W
θJc
Thermal Resistance (Junction to Case)
W-QFN2030-12
11



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