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參數資料
| 型號： | MAX8884YEREKE+T |
| 廠商： | Maxim Integrated |
| 文件頁數： | 1/17頁 |
| 文件大小： | 579K |
| 描述： | IC REG TRPL BCK/LINEAR 16UCSP |
| 產品培訓模塊： | Lead (SnPb) Finish for COTS Obsolescence Mitigation Program |
| 標準包裝： | 2,500 |
| 拓撲： | 降壓（降壓）同步（1），線性（LDO）（2） |
| 功能： | 任何功能 |
| 輸出數： | 3 |
| 頻率 - 開關： | 2MHz |
| 電壓/電流 - 輸出 1： | 1.2 V/1.8 V，700mA |
| 電壓/電流 - 輸出 2： | 1.2 V/1.8 V，300mA |
| 電壓/電流 - 輸出 3： | 1.2 V/1.8 V，300mA |
| 帶 LED 驅動器： | 無 |
| 帶監控器： | 無 |
| 帶序列發生器： | 無 |
| 電源電壓： | 2.7 V ~ 5.5 V |
| 工作溫度： | -40°C ~ 85°C |
| 安裝類型： | 表面貼裝 |
| 封裝/外殼： | 16-WFBGA，CSPBGA |
| 供應商設備封裝： | 16-UCSP（4x4） |
| 包裝： | 帶卷 (TR) |
General Description
The MAX8884Y/MAX8884Z step-down converters with
dual low-dropout (LDO) linear regulators are intended to
power low-voltage microprocessors, DSPs, camera and
Wi-Fi modules, or other point of load applications in
portable devices. These ICs feature high efficiency with
small external component size. The step-down converter
output voltage is pin selectable between 1.2V and 1.8V,
and provides guaranteed output current of 700mA. The
2/4MHz hysteretic-PWM control scheme allows for tiny
external components and reduces no-load operating
current to 50礎. Two low quiescent current, low-noise
LDOs operate down to 2.7V supply voltage. Two switch-
ing frequency options are availableMAX8884Y (2MHz)
and MAX8884Z (4MHz)allowing optimization for small-
est solution size or highest efficiency. Fast switching
allows the use of small ceramic 2.2礔 input and output
capacitors while maintaining low ripple voltage. The
MAX8884Y/MAX8884Z have individual enables for each
output, maximizing flexibility.
The MAX8884Y/MAX8884Z are available in a 16-bump,
2mm x 2mm CSP package (0.7mm max height).
Applications
Cell Phones/Smartphones
PDA and Palmtop Computers
Portable MP3 and DVD Players
Digital Cameras, Camcorders
PCMCIA Cards
Handheld Instruments
Features
o Step-Down Converter
Pin-Selectable Output Voltage (1.2V/1.8V)
2MHz or 4MHz Switching Frequency
Low-Output Voltage Ripple
700mA Output Drive Capability
Simple Logic ON/OFF Control
Tiny External Components
o Low-Noise LDOs
2 x 300mA LDO
Pin-Selectable Output Voltage (LDO1)
Low 26礦
RMS
(typ) Output Noise
High 65dB (typ) PSRR
Simple Logic ON/OFF Control
o Low 0.1?/SPAN>A Shutdown Current
o 2.7V to 5.5V Supply Voltage Range
o Thermal Shutdown
o Tiny, 2mm x 2mm x 0.65mm CSP Package (4x4 Grid)
700mA DC-DC Step-Down Converters
with Dual 300mA LDO in 2mm x 2mm CSP
________________________________________________________________Maxim Integrated Products 1
19-4418; Rev 1; 1/10
For pricing, delivery, and ordering information,please contact Maxim Directat 1-888-629-4642,
or visit Maxims website at www.maxim-ic.com.
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Typical Application Circuit appears at end of data sheet.
AGND
PGND
REFBP
NC1
BUCK_EN
LX
LDO2
LDO2_EN
MAX8884Y
MAX8884Z
SEL
IN1A
IN2
IN1B
LDO1_EN
FB
LDO1
NC2
TOP VIEW
(BUMPS ON BOTTOM)
A1
A2
A3
A4
B1
B2
B3
B4
C1
C2
C3
C4
D1
D2
D3
D4
CSP
Pin Configuration
IN1A
LX
FB
2.2礖
AGND
BUCK_EN
LDO1_EN
LDO2_EN
IN2
BATT
2.7V TO 5.5V
BATT
2.7V TO 5.5V
BUCK ON/OFF
BUCK
1.2V/1.8V
REFBP
IN1B
LDO1 ON/OFF
LDO2 ON/OFF
LDO2
LDO1
V
LDO2
UP TO 300mA
V
LDO1
UP TO 300mA
PGND
SEL
2.2礔
2.2礔
BUCK/LDO1 VOLTAGE
SELECTION
MAX8884Y
MAX8884Z
Typical Operating Circuit
Ordering Information
PART
PIN-PACKAGE
SWITCHING
FREQUENCY
MAX8884YEREKE+T 16 CSP
2MHz
MAX8884ZEREKE+T 16 CSP
4MHz
Note:All devices are specified over the -40?/SPAN>C to +85?/SPAN>C operat-
ing temperature range.
+Denotes a lead(Pb)-free/RoHS-compliant package.
T = Tape and reel.
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相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX8884ZEREKE+T | 功能描述:直流/直流開關轉換器 700mA Step-Down DC/DC Converters RoHS:否 制造商:STMicroelectronics 最大輸入電壓:4.5 V 開關頻率:1.5 MHz 輸出電壓:4.6 V 輸出電流:250 mA 輸出端數量:2 最大工作溫度:+ 85 C 安裝風格:SMD/SMT |
| MAX8885EUK25 | 制造商:Maxim Integrated Products 功能描述:LOW-DROPOUT LINEAR REGULATORS WITH - Rail/Tube |
| MAX8885EUK25+ | 制造商:Maxim Integrated Products 功能描述: |
| MAX8885EUK25+T | 功能描述:低壓差穩壓器 - LDO 150mA Linear Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MAX8885EUK25-T | 功能描述:低壓差穩壓器 - LDO 150mA Linear Regulator RoHS:否 制造商:Texas Instruments 最大輸入電壓:36 V 輸出電壓:1.4 V to 20.5 V 回動電壓（最大值）:307 mV 輸出電流:1 A 負載調節:0.3 % 輸出端數量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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