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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，用于便攜式設備 |
| 文件頁數(shù)： | 7/18頁 |
| 文件大?。?/td> | 360K |
| 代理商： | MAX8621Y |
M
Dual Step-Down DC-DC Power-Management ICs
for Portable Devices
_______________________________________________________________________________________
7
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.)
OUT1 OUPUT VOLTAGE
vs. INPUT VOLTAGE
M
INPUT VOLTAGE (V)
O
5.0
4.5
4.0
3.5
3.0
2.525
2.550
2.575
2.600
2.625
2.650
2.500
2.5
5.5
LOAD = 0
LOAD = 300mA
FALLING
RISING
OUT2 OUTPUT VOLTAGE ACCURACY
vs. LOAD CURRENT
M
LOAD CURRENT (mA)
O
250
200
50
100
150
-1.5
-1.0
-0.5
0
0.5
1.0
1.5
2.0
-2.0
0
300
OUT4 DROPOUT VOLTAGE
vs. LOAD CURRENT
M
LOAD CURRENT (mA)
D
100
50
20
40
60
80
100
120
140
160
0
0
150
OUT1 POWER-SUPPLY
RIPPLE REJECTION vs. FREQUENCY
M
FREQUENCY (kHz)
P
100
10
1
10
20
30
40
50
60
70
80
0
0.1
1000
EFFICICENCY vs. LOAD CURRENT
(V
BUCK2
= 1.8V)
M
LOAD CURRENT (mA)
E
100
10
1
50
60
70
80
90
100
40
0.1
1000
2.2
μ
H
4.7
μ
H
1
μ
H
BUCK1, OUT1, OUT2:
ON WITH NO LOAD
EFFICICENCY vs. LOAD CURRENT
(V
BUCK1
= 1.375V)
M
LOAD CURRENT (mA)
E
100
10
1
50
60
70
80
90
100
40
0.1
1000
2.2
μ
H
4.7
μ
H
1
μ
H
BUCK2, OUT1, OUT2:
ON WITH NO LOAD
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相關代理商/技術參數(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 安裝風格:SMD/SMT 封裝 / 箱體:QFN-24 封裝:Reel |
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