參數(shù)資料
型號(hào): AAT1110IJS-0.6-T1
廠商: Advanced Analog Technology,lnc.
英文描述: Fast Transient 800mA Step-Down Converter
中文描述: 快速瞬態(tài)800mA的降壓轉(zhuǎn)換器
文件頁(yè)數(shù): 16/19頁(yè)
文件大?。?/td> 710K
代理商: AAT1110IJS-0.6-T1
AAT1110
Fast Transient 800mA Step-Down Converter
16
1110.2006.04.1.0
Step-Down Converter Design Example
Specifications
V
O
= 1.8V @ 600mA (adjustable using 0.6V version), Pulsed Load
Δ
I
LOAD
= 300mA
V
IN
= 2.7V to 4.2V (3.6V nominal)
F
S
= 1.4MHz
T
AMB
= 85°C
1.8V Output Inductor
(use 4.7μH; see Table 1)
For Sumida inductor CDRH3D16, 4.7μH, DCR = 105m
Ω
.
1.8V Output Capacitor
V
DROOP
= 0.1V
1
2
3
1
1.8V · (4.2V - 1.8V)
4.7
H · 1.4MHz · 4.2V
2
3
RMS
I
L1 · F · V
IN(MAX)
= ·
·
3 ·
Δ
I
LOAD
V
DROOP
· F
S
3 · 0.3A
0.1V · 1.4MHz
C
OUT
=
=
= 6.4
μ
F; use 10μF
· = 45mArms
·
(V
O
) · (V
IN(MAX)
- V
O
)
=
P
esr
= esr · I
RMS2
= 5m
Ω
· (45mA)
2
= 10
μ
W
V
V
1.8
V
1.8V
Δ
I
L1
=
1 - =
1 - = 156mA
L1
F
V
IN
4.7
H
1.4MHz
4.2V
I
PKL1
= I
O
+
Δ
I
L1
= 0.6A + 0.068A = 0.668A
2
P
L1
= I
O
2
DCR = 0.6A
2
105m
Ω
= 38mW
L1 = 3 A
V
O2
= 3 A
1.8V = 5.4
μ
H
μ
sec
μ
sec
相關(guān)PDF資料
PDF描述
AAT1120 500mA Step-Down Converter
AAT1120IES-0.6-T1 500mA Step-Down Converter
AAT1121 1.5MHz, 250mA Step-Down Converter
AAT1121_07 1.5MHz, 250mA Step-Down Converter
AAT1121IES-0.6-T1 1.5MHz, 250mA Step-Down Converter
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AAT1110IJS-3.3-T1 功能描述:直流/直流開(kāi)關(guān)轉(zhuǎn)換器 2.7-5.5Vin 800mA 1.4MHz Step-Down RoHS:否 制造商:Monolithic Power Systems (MPS) 最大輸入電壓: 開(kāi)關(guān)頻率: 輸出電壓: 輸出電流: 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:
AAT1110-S 制造商:AAT 制造商全稱:AAT 功能描述:ONE-CHANNEL STEP-DOWN PWM CONTROLLER
AAT1110-S-T 制造商:AAT 制造商全稱:AAT 功能描述:ONE-CHANNEL STEP-DOWN PWM CONTROLLER
AAT1110-T2 制造商:AAT 制造商全稱:AAT 功能描述:ONE-CHANNEL STEP-DOWN PWM CONTROLLER
AAT1110-T2-T 制造商:AAT 制造商全稱:AAT 功能描述:ONE-CHANNEL STEP-DOWN PWM CONTROLLER