LM4781TA/NOPB National Semiconductor, LM4781TA/NOPB Datasheet - Page 24

• Manufacturer Part Number: LM4781TA/NOPB
• Description: IC AMP AUDIO PWR 35W AB TO220-27
• Manufacturer: National Semiconductor
• Series: Overture™r
• Type: Class ABr

Specifications of LM4781TA/NOPB

• Output Type: 3-Channel
• Max Output Power X Channels @ Load: 35W x 3 @ 8 Ohm
• Voltage - Supply: 20 V ~ 70 V, ±10 V ~ 35 V
• Features: Depop, Mute, Short-Circuit and Thermal Protection
• Mounting Type: Through Hole
• Package / Case: TO-220-27 (Bent and Staggered Leads)
• For Use With: LM4781TABD - BOARD EVALUATION LM4781TA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM4781TA; *LM4781TA/NOPB; LM4781TA

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Application Information
Bill Of Materials for Reference PCB
R
C
J
R
C
4
SN1
SN1
R
R
, J
J
IN1
IN1
R
C
5
B1
F1
, J
J
C
C
C
6
i1
i1
Symbol
, R
, C
, R
, C
1
, J
, R
, R
, R
, C
S1
S3
S5
, J
7
R
R
U
S
, J
SN2
SN2
8
, C
, C
, C
IN2
IN2
B2
F2
i2
G
M
i2
2
, J
1
1
, J
9
, R
, C
, R
, R
, R
, C
S2
S4
S6
, J
, R
, C
10
3
i3
i3
, J
B3
F3
11
IN3
IN3
SN3
SN3
12
2,200µF
Value
5.6kΩ
0.1µF
0.1µF
33kΩ
20kΩ
47µF
10µF
4.7Ω
2.7Ω
1kΩ
1kΩ
1µF
(Continued)
Tolerance
10%
20%
20%
20%
20%
20%
5%
1%
1%
1%
5%
5%
5%
24
27 lead TO-220 Power Socket
Non-Switched PC Mount RCA
PCB Banana Jack - BLACK
with push release lever or
PCB Banana Jack - RED
Metallized Polyester Film
Electrolytic Radial / 50V
Electrolytic Radial / 50V
Electrolytic Radial / 50V
SPDT (on-on) Switch
Monolithic Ceramic
Monolithic Ceramic
Type/Description
LM4781 IC
1/4 Watt
1/4 Watt
1/4 Watt
1/4 Watt
1/4 Watt
1/4 Watt
1/4 Watt
Jack
Comment