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参数资料
| 型号： | MAX8663ETL+T |
| 厂商： | Maxim Integrated Products |
| 文件页数： | 19/34页 |
| 文件大小： | 0K |
| 描述： | IC PMIC LI+ SNGL CELL 40TQFN |
| 产品培训模块： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 标准包装： | 2,500 |
| 应用： | 手持/移动设备 |
| 电流 - 电源： | 900µA |
| 电源电压： | 4.1 V ~ 8 V |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 40-WFQFN 裸露焊盘 |
| 供应商设备封装： | 40-TQFN-EP（5x5） |
| 包装： | 带卷 (TR) |
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Power-Management ICs for
Single-Cell, Li+ Battery-Operated Devices
Pin Description (continued)
MAX8662
19
PIN
MAX8663
16
NAME
IN45
FUNCTION
Input Supply for Linear Regulators 4 and 5. Connect IN45 to a supply voltage between 1.7V
and V SYS . Connect at least a 1μF ceramic capacitor from IN45 to GND.
Linear Regulator 5 Output. Delivers up to 150mA at an output voltage determined by SL1
20
17
OUT5
and SL2. Connect a 1μF ceramic capacitor from OUT5 to GND. Increase the value to 2.2μF
if V OUT5 < 1.5V.
21
22
18
19
EN4
EN5
Enable Input for Linear Regulator 4. Drive high to enable.
Enable Input for Linear Regulator 5. Drive high to enable.
PWM/Skip-Mode Selector. Drive PWM high to force step-down regulators 1 and 2 to
23
20
PWM
operate in 1MHz forced-PWM mode. Drive PWM low, or connect to GND to allow regulators
1 and 2 to enter skip mode at light loads.
24
25
26
27
28
21
22
23
24
25
FB1
EN1
PG1
LX1
PV1
Feedback Input for Buck Regulator 1. Connect FB1 to the center of a resistor-divider
connected between OUT1 and GND to set the output voltage between 0.98V and 3.3V.
Enable Input for Buck Regulator 1. Drive high to enable.
Power Ground for Buck Regulator 1. GND, PG1, PG2, and PG3 must be connected
together externally.
Buck Regulator 1 Inductor Connection Node. Connect an inductor from LX1 to the output of
regulator 1.
Power Input for Buck Regulator 1. Connect PV1 to SYS and decouple with a 10μF or greater low-
ESR capacitor to GND. PV1, PV2, and SYS must be connected together externally.
LED Boost Overvoltage Input. Connect a resistor from OVP to the boost output to set the
29
—
OVP
maximum output voltage and to initiate soft-start when EN3 goes high. An internal 20μA
pulldown current from OVP to GND determines the maximum boost voltage. The internal
current is disconnected when EN3 is low. OVP is diode clamped to SYS_.
LED Current Source. Sinks from 1mA to 30mA depending on the voltage at BRT and the
30
—
CS
PWM signal at EN3. Driving EN3 low for more than 2ms turns off the current source. V CS is
regulated to 0.32V.
31
32
—
26
CC3
FB2
Compensation Input for LED Boost Regulator 3. See the Boost Converter with White LED Driver
(OUT3, MAX8662 Only) section.
Feedback Input for Buck Regulator 2. Connect FB2 to the center of a resistor-divider
connected between OUT2 and GND to set the output voltage between 0.98V and 3.3V.
Power Input for Buck Regulator 2. Connect PV2 to SYS and decouple with a 10μF or
33
27
PV2
greater low-ESR capacitor to GND. PV1, PV2, and SYS must be connected together
externally.
34
35
36
37
38
39
28
29
30
31
32
—
LX2
PG2
EN2
EN6
EN7
LX3
Buck Regulator 2 Inductor Connection Node. Connect an inductor from LX2 to the output of
regulator 2.
Power Ground for Buck Regulator 2. GND, PG1, PG2, and PG3 must be connected together
externally.
Enable Input for Buck Regulator 2. Drive high to enable.
Enable Input for Linear Regulator 6. Drive high to enable.
Enable Input for Linear Regulator 7. Drive high to enable.
Boost Regulator 3 Inductor Connection Node. Connect an inductor from LX3 to SYS_.
______________________________________________________________________________________
19
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相关代理商/技术参数 |
参数描述 |
|---|---|
| MAX8663EVKIT+ | 制造商:Maxim Integrated Products 功能描述:MAX8663 EVAL KIT - Boxed Product (Development Kits) |
| MAX8664AEEP+ | 功能描述:DC/DC 开关控制器 Dual-Output Step Step-Down Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX8664AEEP+T | 功能描述:DC/DC 开关控制器 Dual-Output Step Step-Down Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX8664BEEP+ | 功能描述:DC/DC 开关控制器 Dual-Output Step Step-Down Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
| MAX8664BEEP+T | 功能描述:DC/DC 开关控制器 Dual-Output Step Step-Down Controller RoHS:否 制造商:Texas Instruments 输入电压:6 V to 100 V 开关频率: 输出电压:1.215 V to 80 V 输出电流:3.5 A 输出端数量:1 最大工作温度:+ 125 C 安装风格: 封装 / 箱体:CPAK |
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