參數(shù)資料
型號(hào)： AOZ1210AI
廠商： ALPHA
英文描述： EZBuck⑩ 2A Simple Buck Regulator
中文描述： EZBuck⑩甲簡單降壓穩(wěn)壓器
文件頁數(shù)： 11/14頁
文件大小： 583K
代理商： AOZ1210AI
AOZ1210
Rev. 1.3 December 2007
www.aosmd.com
Page 11 of 14
AOZ1210/2
3 GND
2 BST
1 LX
4 FB
6 EN
7 Vin
8 VBIAS
C
5 COMP
Vo
C2
C
2
R
R
Rc
Cc
VIN
L1
C
C
dissipation of converter circuit can be measured by input
power minus output power.
The power dissipation of inductor can be approximately
calculated by output current and DCR of the inductor.
The power dissipation of the diode is:
The actual AOZ1210 junction temperature can be
calculated with power dissipation in the AOZ1210 and
thermal impedance from junction to ambient.
The maximum junction temperature of AOZ1210 is
145°C, which limits the maximum load current capability.
The thermal performance of the AOZ1210 is strongly
affected by the PCB layout. Care should be taken by
users during design process to ensure that the IC will
operate under the recommended environmental
conditions.
Several layout tips are listed below for the best electric
and thermal performance. Figure 3 is a layout example.
1.
Do not use thermal relief connection to the V
IN
and
the GND pin. Pour a maximized copper area to the
GND pin and the V
IN
pin to help thermal dissipation.
Input capacitor should be connected as close as
possible to the V
IN
and GND pins.
Make the current trace from LX pins to L to C
O
to
GND as short as possible.
2.
3.
4.
Pour copper plane on all unused board area and
connect it to stable DC nodes, like V
IN
, GND or V
OUT
.
Keep sensitive signal traces such as the trace
connecting FB and COMP pins away from the
LX pins.
5.
P
total_loss
V
IN
I
IN
V
O
I
O
×
–
×
=
P
inductor_loss
I
O
2
R
inductor
1.1
×
×
=
P
diode_loss
I
O
V
F
1
V
V
IN
----------
–
×
×
=
T
junction
P
total_loss
P
inductor_loss
–
T
ambient
+
(
)
Θ
×
JA
=
+
Figure 3. Layout Example of the AOZ1210
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AOZ1210-EVA 制造商:AOSMD 制造商全稱:Alpha & Omega Semiconductors 功能描述:EZBuck⑩ 2A Simple Buck Regulator Evaluation Board Note
AOZ1212 制造商:AOSMD 制造商全稱:Alpha & Omega Semiconductors 功能描述:EZBuck 3A Simple Buck Regulator
AOZ1212AI 功能描述:IC REG BUCK ADJ 3A 8SOIC RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:EZBuck™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:升壓（升壓） 輸出類型:兩者兼有 輸出數(shù):1 輸出電壓:5V，2 V ~ 16.5 V 輸入電壓:2 V ~ 16.5 V PWM 型:- 頻率 - 開關(guān):45kHz 電流 - 輸出:50mA 同步整流器:無 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 包裝:管件 供應(yīng)商設(shè)備封裝:8-PDIP
AOZ1212DI 功能描述:IC REG BUCK ADJ 3A 8DFN RoHS:是 類別:集成電路 (IC) >> PMIC - 穩(wěn)壓器 - DC DC 開關(guān)穩(wěn)壓器 系列:EZBuck™ 產(chǎn)品培訓(xùn)模塊:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 標(biāo)準(zhǔn)包裝:50 系列:- 類型:升壓（升壓） 輸出類型:兩者兼有 輸出數(shù):1 輸出電壓:5V，2 V ~ 16.5 V 輸入電壓:2 V ~ 16.5 V PWM 型:- 頻率 - 開關(guān):45kHz 電流 - 輸出:50mA 同步整流器:無 工作溫度:0°C ~ 70°C 安裝類型:通孔 封裝/外殼:8-DIP（0.300"，7.62mm） 包裝:管件 供應(yīng)商設(shè)備封裝:8-PDIP
AOZ1213 制造商:AOSMD 制造商全稱:Alpha & Omega Semiconductors 功能描述:EZBucka?￠ 3A Simple Buck Regulator with Linear Controller
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