LM48511SQX/NOPB National Semiconductor, LM48511SQX/NOPB Datasheet - Page 4

• Manufacturer Part Number: LM48511SQX/NOPB
• Description: IC AMP AUDIO PWR 6.7W MONO 24LLP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class Dr

Specifications of LM48511SQX/NOPB

• Output Type: 1-Channel (Mono)
• Max Output Power X Channels @ Load: 6.7W x 1 @ 4 Ohm
• Voltage - Supply: 3 V ~ 5.5 V
• Features: Depop, Differential Inputs, Short-Circuit and Thermal Protection, Shutdown
• Mounting Type: Surface Mount
• Package / Case: 24-LLP
• For Use With: LM48511SQBD - BOARD EVAL BOOST C LM48511
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM48511SQX

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Pin Descriptions
LLP-24 Pin
22,23
9, 11
DAP
2,3
10
12
13
14
15
16
17
18
19
20
21
24
1
4
5
6
7
8
SOFTSTART
SD_BOOST
FB_GND1
FB_GND0
REGGND
SD_AMP
FB_SEL
LSGND
SS/FF
Name
VG0+
VG0–
GND
VDD
LS+
PV1
SW
LS-
IN+
IN-
FB
V1
Regulator Feedback Select. Connect to VDD to select feedback
network connected to FB_GND1. Connect to GND to select
feedback network connected to FB_GND0.
Drain of the Internal FET Switch
Soft Start Capacitor
Amplifier Active Low Shutdown. Connect to V
operation. Connect to GND to disable amplifier.
Modulation Mode Select. Connect to V
mode (SS). Connect to GND for fixed frequency mode (FF).
Signal Ground
Amplifier Non-Inverting Output
Amplifier H-Bridge Ground
Amplifier H-Bridge Power Supply. Connect to V1.
Amplifier Inverting Output
Amplifier Supply Voltage. Connect to PV1
Amplifier Non-Inverting Gain Output
Amplifier Inverting Input
Amplifier Non-Inverting Input
Amplifier Inverting Gain Output
Power Supply
Regulator Feedback Input. Connect FB to an external resistive
voltage divider to set the boost output voltage.
Ground return for R
Ground return for R
Power Ground (Booster)
Regulator Active Low Shutdown. Connect to V
operation. Connect to GND to disable regulator.
To be soldered to board for enhanced thermal dissipation. Connect
to GND plane.
4
3
3
, R
, R
1
2
resistor divider
resistor divider
Function
DD
for spread spectrum
DD
DD
for normal
for normal