参数资料
| 型号： | MAX1821EUB+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/18页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK WCDMA 10-UMAX |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 50 |
| 应用： | 转换器，WCDMA 功率放大器应用 |
| 输入电压： | 2.6 V ~ 5.5 V |
| 输出数： | 1 |
| 输出电压： | 1.25 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 供应商设备封装： | 10-µMAX |
| 包装： | 管件 |
WCDMA Cellular Phone 600mA
Buck Regulators
Typical Operating Characteristics (continued)
(T A = +25°C, unless otherwise noted.)
100
90
MAX1821 EFFICIENCY vs. LOAD CURRENT
(V OUT = 3.3V)
100
90
MAX1821 EFFICIENCY vs. LOAD CURRENT
(V OUT = 2.5V)
100
90
MAX1821 EFFICIENCY vs. LOAD CURRENT
(V OUT = 1.5V)
80
70
V IN = 3.6V
V IN = 5.0V
80
70
V IN = 2.7V
V IN = 3.6V
80
70
60
50
40
30
V IN = 3.6V
V IN = 5.0V
60
50
40
30
V IN = 5.0V
V IN = 2.7V
V IN = 3.6V
V IN = 5.0V
60
50
40
30
V IN = 2.7V
V IN = 3.6V
V IN = 5.0V
20
20
20
10
SKIP = GND (DASHED LINE)
SKIP = BATT (SOLID LINE)
10
SKIP = GND (DASHED LINE)
SKIP = BATT (SOLID LINE)
10
SKIP = GND (DASHED LINE)
SKIP = BATT (SOLID LINE)
0
0
0
1
10
100
1000
1
10
100
1000
1
10
100
1000
140
120
100
80
60
40
LOAD CURRENT (mA)
DROPOUT VOLTAGE vs. LOAD CURRENT
9
8
7
6
5
4
3
LOAD CURRENT (mA)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
220
200
180
160
140
120
100
80
LOAD CURRENT (mA)
SUPPLY CURRENT vs. SUPPLY VOLTAGE
20
V OUT = 3.4V
RL = 57m ?
2
1
V OUT = 1.5V
SKIP = BATT
60
40
V OUT = 1.5V
SKIP = GND
0
0
20
0
100
200
300
400
500
600
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
LOAD CURRENT (mA)
HEAVY-LOAD SWITCHING WAVEFORMS
(V IN = 3.8V, V OUT = 3.4V,
I LOAD = 600mA, SKIP = BATT)
MAX1820/21 toc10
SUPPLY VOLTAGE (V)
MEDIUM-LOAD SWITCHING WAVEFORMS
(V IN = 3.8V, V OUT = 1.8V,
I LOAD = 300mA, SKIP = BATT)
MAX1820/21 toc11
SUPPLY VOLTAGE (V)
LIGHT-LOAD PWM SWITCHING WAVEFORMS
(V IN = 3.8V, V OUT = 0.45V,
I LOAD = 30mA, SKIP = BATT)
MAX1820/21 toc12
A
A
B
A
B
B
C
400ns/div
A: V LX , 5V/div
B: INDUCTOR CURRENT, 500mA/div
C: V OUT (AC-COUPLED), 5mV/div
C
400ns/div
A: V LX , 5V/div
B: INDUCTOR CURRENT, 500mA/div
C: V OUT (AC-COUPLED), 5mV/div
C
400ns/div
A: V LX , 5V/div
B: INDUCTOR CURRENT, 100mA/div
C: V OUT (AC-COUPLED), 5mV/div
6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX1821EUB+ | 功能描述:直流/直流开关调节器 WCDMA 600mA Buck Regulator RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX1821EUB+T | 功能描述:直流/直流开关调节器 WCDMA 600mA Buck Regulator RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX1821EUB-T | 功能描述:直流/直流开关调节器 WCDMA 600mA Buck Regulator RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| MAX1821EUB-TG069 | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX1821XEBC | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
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