MP3和便携式媒体播放器



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Maxim > 方案 > MP3和便携式媒体播放器

集成LDO与复位

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关键优势

QV PDF

MAX8902A和MAX8902B评估板
MAX8902EVKIT

QV PDF

集成充电器和智能电源选择器的PMIC，用于手持设备
MAX8671X

五路稳压输出和具有智能化电源管理的Li+电池充电器，允许系统在没有电池的条件下工作

QV PDF

低噪声500mA LDO稳压器，2mm x 2mm TDFN封装
MAX8902A, MAX8902B

低噪声、低压差、高PSRR、500mA线性稳压器，采用2mm x 2mm TDFN封装

QV PDF

300mA LDO线性稳压器，内置微处理器复位电路
MAX6469, MAX6470, MAX6471, MAX6472, MAX6473, MAX6474, MAX6475, MAX6476, MAX6477, MAX6478, MAX6479, MAX6480, MAX6481, MAX6482, MAX6483, MAX6484

QV PDF

150mA、SOT23封装、低压差线性稳压器，内置微处理器复位电路
MAX6329, MAX6349

完备的LDO和µP监控复位电路，采用SOT23封装

Key Specifications: Battery Chargers

Part Number

Cell Chemistry

Number of Lithium-Ion cells

Protected V_IN (max) (V)

Charging V_IN (max) (V)

Internal FET/Transistor

Charger (V)

Charge Rate Set by

Max. Charge Current (A)

Charge Termination

Secondary Charge Termination

Charge Regulation

Features

EV-Kit

Package

Operating Temp. Range (°C)

MAX8671X

Li-Ion
Li-Polymer

6.6

Yes

4.2

Logic Input
Resistor

Min. Charge Current

Timer

Linear

•	Current Limit

•	Dual USB/Adapter Input

•	Input Current Limit

•	Low Battery/ Power OK Output

•	Smart Power Selector

•	Soft Start

•	Stand Alone

•	Thermal Die Regulation

•	Thermistor Input

•

Timer

•

USB Input

Yes

THIN QFN/40

-40 to +85

See All Battery Chargers (60)

Key Specifications: Linear Regulators
Part Number	Regulators per Pkg.	Min. V_IN (V)	Max. V_IN (V)	Preset V_OUT (V)	Min. Adjustable V_OUT (V)	Max. Adjustable V_OUT (V)	Typ. V_DROPOUT@ Rated I_LOAD (V)	Rated I_LOAD (mA)	Max. I_CC (µA)	Low Battery/ Power Fail Output	POK/ Reset Output	POK/ Reset Output Type	Nominal POK/Reset Threshold (V)	Min. Reset Pulse Width (ms)	Watchdog	Reverse Battery Protection	Industry Qualified	Package	Operating Temp. Range (°C)
MAX8902	1	1.7	5.5	1.5 1.8 2.0 2.5 3.0 3.1 3.3	0.6	5.3	0.05	500	120	No	POK	Open Drain Active Low	Vout-9%	-	No	No	Automotive - General	THIN QFN (Dual)/8	-40 to +125
MAX6469	1	2.5	5.5	1.5 to 3.3	-	-	0.11	300	136	No	Reset	Push-Pull Active Low	Vout-12.5% Vout-7.5%	1200 150 2.5 20	No	No	-	SOT-23/6 THIN QFN (Dual)/8	-40 to +85
MAX6470	1	2.5	5.5	1.5 to 3.3	-	-	0.11	300	136	No	Reset	Open Drain Active Low	Vout-12.5% Vout-7.5%	1200 150 2.5 20	No	No	-	SOT-23/6 THIN QFN (Dual)/8	-40 to +85
MAX6471	1	2.5	5.5	1.5 to 3.3	-	-	0.11	300	136	No	Reset	Push-Pull Active Low	Vout-12.5% Vout-7.5%	1200 150 2.5 20	No	No	-	SOT-23/6 THIN QFN (Dual)/8	-40 to +85
MAX6472	1	2.5	5.5	1.5 to 3.3	-	-	0.11	300	136	No	Reset	Open Drain Active Low	Vout-12.5% Vout-7.5%	1200 150 2.5 20	No	No	-	SOT-23/6 THIN QFN (Dual)/8	-40 to +85
MAX6473	1	2.5	5.5	1.5 to 3.3	-	-	0.11	300	136	No	Reset	Push-Pull Active Low	Vout-12.5% Vout-7.5%	1200 150 2.5 20	No	No	-	SOT-23/6 THIN QFN (Dual)/8	-40 to +85
MAX6474	1	2.5	5.5	1.5 to 3.3	-	-	0.11	300	136	No	Reset	Open Drain Active Low	Vout-12.5% Vout-7.5%	1200 150 2.5 20	No	No	-	SOT-23/6 THIN QFN (Dual)/8	-40 to +85
MAX6475	1	2.5	5.5	1.5 to 3.3	1.23	5	0.11	300	136	No	Reset	Push-Pull Active Low	Vout-12.5% Vout-7.5%	1200 150 2.5 20	No	No	-	SOT-23/6 THIN QFN (Dual)/8	-40 to +85
MAX6476	1	2.5	5.5	1.5 to 3.3	1.23	5	0.11	300	136	No	Reset	Open Drain Active Low	Vout-12.5% Vout-7.5%	1200 150 2.5 20	No	No	-	SOT-23/6 THIN QFN (Dual)/8	-40 to +85
MAX6477	1	2.5	5.5	1.5 to 3.3	-	-	0.11	300	136	No	Reset	Push-Pull Active Low	Vout-12.5% Vout-7.5%	1200 150 2.5 20	No	No	-	UCSP/6	-40 to +85
MAX6478	1	2.5	5.5	1.5 to 3.3	-	-	0.11	300	136	No	Reset	Open Drain Active Low	Vout-12.5% Vout-7.5%	1200 150 2.5 20	No	No	-	UCSP/0 UCSP/6	-40 to +85
MAX6479	1	2.5	5.5	1.5 to 3.3	-	-	0.11	300	136	No	Reset	Push-Pull Active Low	Vout-12.5% Vout-7.5%	1200 150 2.5 20	No	No	-	UCSP/6	-40 to +85
MAX6480	1	2.5	5.5	1.5 to 3.3	-	-	0.11	300	136	No	Reset	Open Drain Active Low	Vout-12.5% Vout-7.5%	1200 150 2.5 20	No	No	-	UCSP/6	-40 to +85
MAX6481	1	2.5	5.5	1.5 to 3.3	-	-	0.11	300	136	No	Reset	Push-Pull Active Low	Vout-12.5% Vout-7.5%	1200 150 2.5 20	No	No	-	UCSP/0 UCSP/6	-40 to +85
MAX6482	1	2.5	5.5	1.5 to 3.3	-	-	0.11	300	136	No	Reset	Open Drain Active Low	Vout-12.5% Vout-7.5%	1200 150 2.5 20	No	No	-	UCSP/6	-40 to +85
MAX6483	1	2.5	5.5	1.5 to 3.3	1.23	5	0.11	300	136	No	Reset	Push-Pull Active Low	Vout-12.5% Vout-7.5%	1200 150 2.5 20	No	No	-	UCSP/6	-40 to +85
MAX6484	1	2.5	5.5	1.5 to 3.3	1.23	5	0.11	300	136	No	Reset	Open Drain Active Low	Vout-12.5% Vout-7.5%	1200 150 2.5 20	No	No	-	UCSP/6	-40 to +85
MAX6329	1	2.5	5.5	1.8 2.5 3.3	1.23	5	0.3	150	50	No	Reset	Open Drain Active High Push-Pull Active High Push-Pull Active Low	Vout-10% Vout-5%	100	No	No	-	SOT-23/6	0 to +85
MAX6349	1	2.5	5.5	1.8 2.5 3.3	1.23	5	0.3	150	50	No	Reset	Open Drain Active High Push-Pull Active High Push-Pull Active Low	Vout-10% Vout-5%	100	No	No	-	SOT-23/6	-40 to +85
See All Linear Regulators (141)

Key Specifications: Multifunction PMICs

Part Number

PMIC for:

Primary Topology

Monitor/Control Features

DC-DC/Power Features

Battery Charger Features

V_IN (min) (V)

V_IN (max) (V)

Min. V_OUT (V)

Max. V_OUT (V)

I_OUT (A)

Operating Freq. (kHz)

Number of Step-Down Outputs

Number of LDO Outputs

Output Adj. Method

Operating Current, I_CC (max) (mA)

EV-Kit

Package

Operating Temp. Range (°C)

MAX8671X

Smartphone/ Portable Media

Step-Down

Low Battery/ Power OK Output

Current Limit
Fixed Frequency/PWM
Internal Power Switches
Soft Start
Synchronous Rectifier

Battery Charger
Charge Timer
Dual USB/Adapter Input
Input Current Limit
Smart Power Selector
Stand Alone Charging
Thermal Die Regulation
Thermistor Input
USB Input

2.6

6.6

0.6

0.5

2000

Preset
Resistor

0.285

Yes

THIN QFN/40

-40 to +85

See All Multifunction PMICs (71)

Key Specifications: Switch-Mode DC-DC Power Supplies

Part Number

Topology

V_IN (min) (V)

V_IN (max) (V)

Number of DC-DC Outputs

Digital/VID Programmed Output

Min. Adjustable V_OUT (V)

Max. Adjustable V_OUT (V)

I_OUT (A)

Operating Current, I_CC (max) (mA)

Operating Freq. (kHz)

Internal Power Switch(es)

Package

MAX8671X

Step-Down

2.6

6.6

0.6

0.5

0.285

2000

Yes

THIN QFN/40

See All Switch-Mode DC-DC Power Supplies (429)