LPA2171
AB/D ,5.2W
LPA2171
LPA2171E FM 、AB D
5.5W
。LPA2171E
AERC(Adaptive Edge Rate Control) ,
EMI ,
,
Part15 Class B
2...
Description
AB/D ,5.2W
LPA2171
LPA2171E FM 、AB D
5.5W
。LPA2171E
AERC(Adaptive Edge Rate Control) ,
EMI ,
,
Part15 Class B
20dB
.
LPA2171
PWM
、PCB
,
90%
,
LPA2171
。
LPA2171E
,
,
。
LPA2171
ESOP8
, -40℃ 85℃。
FCC 。
?
PO at 10% THD+N, VDD = 5V
RL = 4 Ω 3.45W(
)
RL = 2 Ω 5.20W(
)
PO at 10% THD+N, VDD = 3.6V
RL = 4 Ω 1.70W(
)
RL = 2 Ω 2.42W(
)
? AB /D
? AERC ,
EMI
? " - "(pop-noise)
?
? :2.5V 5.5V
? Class-D
? 90%
? (PSRR): 217Hz 72dB
? (200ms)
? (5mA)
? (<0.1 A)
?,
? Rohs
? ESOP8/SOP8
? USB
?
/
0.39uF IN
MODE:0----AB 1----D
470uF 6
4 IN
8
3 LPA2171
MODE
1 2
5 7
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LPA2171
Copyright@LowPower Semiconductor page1
Nov,2012 Rev.1.0
LPA2171
1 SD 2 BYP 3 MODE 4 IN
LPA2171
ESOP_8L (Top View)
VO- 8 GND 7 VDD 6 VO+ 5
1 SD
,
2 BYP
3
MODE
AB /D
,
AB ,
D
4 IN
5 VO+
6 VDD
7 GND
8 VO-
www.lowpowersemi.com
Copyright@LOWPOWER Semiconductor page2
NOV.2012 Rev.1.0
1
VDD VI TJ TSDR TSTG
( 10 )
VDD TA Tj
2
JA(ESOP8)
---
LPA2171
6 -0.3 to VDD+0.3
-40 to 150 260
-65 to 150
V V
℃ ℃ ℃
2.5~5.5 -40~85 -40~125
V ℃ ℃
40 ℃/W
LPA2171SPF ESOP-8L
100 units
ESD
ESD ESD
HBM( MM(
) ----------------------------------------------------------- ±4kV ) -----------------------------------------------------------±400V
1. ,
2.PCB
LPA2171 。
, 。
,
. LPA2171SP
, PCB
,
www.lowpowersemi.com
Copyright@LOWPOWER Semiconductor page3
Nov.2012 Rev.1.0
(D
TA = 25 C (
VOO PSRR CMRR
)
)
IDD
ISD rDS(ON)
f(SW)
VIN=0V, ...
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