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參數(shù)資料
| 型號： | MAX8621Y |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Dual Step-Down DC-DC Power-Management ICs for Portable Devices |
| 中文描述： | 雙路、降壓型DC-DC電源管理IC，用于便攜式設(shè)備 |
| 文件頁數(shù)： | 8/18頁 |
| 文件大?。?/td> | 360K |
| 代理商： | MAX8621Y |
M
Dual Step-Down DC-DC Power-Management ICs
for Portable Devices
8
_______________________________________________________________________________________
SWITCHING FREQUENCY
vs. LOAD CURRENT
M
LOAD CURRENT (mA)
F
100
200
300
400
1
10
0.1
0
500
1
μ
H
2.2
μ
H
4.7
μ
H
BUCK1 OUTPUT VOLTAGE
vs. LOAD CURRENT (VOLTAGE POSITIONING)
1.44
M
LOAD CURRENT (mA)
O
400
300
200
100
1.32
1.34
1.36
1.38
1.40
1.42
1.30
0
500
BUCK1 LIGHT-LOAD WAVEFORMS
MAX8621 toc12
200ns/div
10mV/div
AC-COUPLED
V
BUCK1
I
LX1
V
LX1
200mA/div
0
5V/div
0
LOAD = 50mA
BUCK1 LOAD-TRANSIENT RESPONSE
MAX8621 toc14
5
μ
s/div
50mV/div
AC-COUPLED
V
BUCK1
I
LX1
I
BUCK1
500mA/div
0
500mA/div
0
400mA LOAD
BUCK1 HEAVY-LOAD WAVEFORMS
MAX8621 toc13
200ns/div
10mV/div
AC-COUPLED
V
BUCK1
I
LX1
V
LX1
200mA/div
0
5V/div
0
LOAD = 300mA
Typical Operating Characteristics (continued)
(Circuit of Figure 3, V
IN1
= V
IN2
= V
IN3
= 3.6V, PWRON = IN, V
BUCK1
= 1.375V, V
BUCK2
= 1.8V, V
OUT1
= 2.6V, V
OUT2
= 2.6V, V
OUT3
= 1.8V, V
OUT4
= 3.0V, SEL1 = SEL2 = open, LX1 = LX2 = Murata LQH32CN2R2M53, T
A
= +25°C, unless otherwise noted.)
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| MAX8621ZETG | Dual Step-Down DC-DC Power-Management ICs for Portable Devices |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX8621YETG | 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX8621YETG+ | 功能描述:PMIC 解決方案 Dual Step-Down PMIC for Portable Devices RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX8621YETG+T | 功能描述:PMIC 解決方案 Dual Step-Down PMIC for Portable Devices RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX8621YETG-T | 功能描述:PMIC 解決方案 RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
| MAX8621ZETG | 功能描述:PMIC 解決方案 Dual Step-Down PMIC for Portable Devices RoHS:否 制造商:Texas Instruments 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
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