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参数资料
| 型号： | MAX8890ETCAAA+ |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 6/12页 |
| 文件大小： | 0K |
| 描述： | IC POWER MANAGE CELL 12-TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 75 |
| 应用： | 手持/移动设备 |
| 电流 - 电源： | 180µA |
| 电源电压： | 2.5 V ~ 5.5 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 12-WQFN 裸露焊盘 |
| 供应商设备封装： | 12-TQFN-EP（4x4） |
| 包装： | 管件 |
Integrated Cellular RF-Section
Power-Management IC
Typical Operating Characteristics (continued)
(Circuit of Figure 1, MAX8890ETCGGG, V IN = 3.3V, EN_ = IN_, T A = +25 ° C, unless otherwise noted.)
ENABLE WAVEFORM
ENABLE WAVEFORM
(1ST OUTPUT)
MAX8890 toc16
(2ND OUTPUT)
MAX8890 toc17
20 μ s/div
A. V EN1 = 0 to 3.3V, 5V/div
B. V OUT1 = 2.8V, R OUT1 = 28 ? (100mA), 2V/div
C. V BP = 1.25V, 1V/div
D. I IN , 200mA/div
V IN = 3.3V, EN2 = EN3 = GND, C BP = 0.01 μ F
A
B
C
D
A
B
C
D
20 μ s/div
A. V EN2 = 0 to 3.3V, 5V/div
B. V OUT2 = 2.8V, R OUT2 = 28 ? (100mA), 2V/div
C. V BP = 1.25V, 1V/div
D. I IN , 200mA/div
V IN = 3.3V, EN1 = IN, EN3 = GND, C BP = 0.01 μ F
Pin Description
PIN
1
2
3
4
5
6
7
8
9
10
11
12
EP
NAME
IN1
IN2
OUT2
EN1
EN2
EN3
BP
GND
IN3
OUT3
GND
OUT1
GND
FUNCTION
Regulator 1 Input. Supply voltage can range from 2.5V to 5.5V. Bypass with a capacitor to GND (see
Capacitor Selection and Regulator Stability section).
Regulator 2 Input. Supply voltage can range from 2.5V to V IN1 . Bypass with a capacitor to GND (see
Capacitor Selection and Regulator Stability section).
Regulator 2 Output. Sources up to 100mA. Bypass with a 2.2μF ceramic capacitor to GND.
Active-High Enable Input for Regulator 1. A logic low shuts down the first linear regulator. In shutdown,
OUT1 is pulled low through an internal 5k ? resistor. Connect to IN1 for normal operation.
Active-High Enable Input for Regulator 2. A logic low shuts down the second linear regulator. In
shutdown, OUT2 is pulled low through an internal 5k ? resistor. Connect to IN2 for normal operation.
Active-High Enable Input for Regulator 3. A logic low shuts down the third linear regulator. In
shutdown, OUT3 is pulled low through an internal 5k ? resistor. Connect to IN3 for normal operation.
1.25V Voltage Reference Bypass Pin. Connect a 0.01μF ceramic bypass capacitor from BP to GND to
minimize the output noise. Make no other connection to this pin.
Ground. Connect both ground pins together externally, as close to the IC as possible.
Regulator 3 Input. Supply voltage can range from 2.5V to V IN1 . Bypass with a capacitor to GND (see
Capacitor Selection and Regulator Stability section).
Regulator 3 Output. Sources up to 100mA. Bypass with a 2.2μF ceramic capacitor to GND.
Ground. Connect both ground pins together externally, as close to the IC as possible.
Regulator 1 Output. Sources up to 100mA. Bypass with a 2.2μF ceramic capacitor to GND.
Ground. THE EXPOSED PAD AND ALL FOUR CORNER TABS ON THE QFN PACKAGE ARE
INTERNALLY CONNECTED TO GROUND. The exposed pad functions as a heatsink. Solder to a large
pad or to the circuit board ground plane to maximize power dissipation. Do not use as device ground.
6
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8890ETCAAA+ | 功能描述:PMIC 解决方案 Integrated Cellular RF-Section PMIC RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX8890ETCAAA+T | 功能描述:PMIC 解决方案 Integrated Cellular RF-Section PMIC RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX8890ETCAAA-T | 功能描述:PMIC 解决方案 Integrated Cellular RF-Section PMIC RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
| MAX8890ETCABK | 制造商:Rochester Electronics LLC 功能描述: 制造商:Maxim Integrated Products 功能描述: |
| MAX8890ETCABK+ | 功能描述:PMIC 解决方案 Integrated Cellular RF-Section PMIC RoHS:否 制造商:Texas Instruments 安装风格:SMD/SMT 封装 / 箱体:QFN-24 封装:Reel |
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