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參數(shù)資料
| 型號(hào)： | MAX8902A |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Noise 500mA LDO Regulators in a 2mm x 2mm TDFN Package |
| 中文描述： | 低噪聲500mA LDO穩(wěn)壓器，2mm x 2mm TDFN封裝 |
| 文件頁(yè)數(shù)： | 1/10頁(yè) |
| 文件大小： | 277K |
| 代理商： | MAX8902A |
General Description
The MAX8902A/MAX8902B low-noise linear regulators
deliver up to 500mA of output current with only
16μV
RMS
of output noise in a 100kHz bandwidth. These
regulators maintain their output voltage over a wide
input range, requiring only 100mV of input-to-output
headroom at full load.
These LDOs maintain a low 80μA typical supply cur-
rent, independent of the load current and dropout volt-
age. The regulator control circuitry includes a
programmable soft-start circuit and short circuit,
reverse current, and thermal overload protection. Other
features include a shutdown input and a power-OK out-
put (MAX8902B only).
The MAX8902A output voltage can be set to 1.5V, 1.8V,
2.0V, 2.5V, 3.0V, 3.1V, 3.3V, 4.6V, or 4.7V using the
SELA and SELB inputs. The MAX8902B output voltage
can be set between 0.6V and 5.3V with an external
resistor voltage divider.
Applications
Notebook Computers
MP3 and Portable Media Players
Wireless Headphones
GPS Portable Navigation Devices
Smartphones
Features
1.7V to 5.5V Input Voltage Range
0.6V to 5.3V Output Voltage Range
16μV
RMS
Output Noise, 10Hz to 100kHz
80μA Operating Supply Current
92dB PSRR at 5kHz
Guaranteed 500mA Output Current
±1.5% Output Accuracy Over Load, Line, and
Temperature
100mV (max) Dropout at 500mA Load
< 1μA Shutdown Supply Current
700mA Short-Circuit Protection
Thermal-Overload Protection
Output-to-Input Reverse Current Protection
2mm x 2mm x 0.8mm TDFN Package
Ordering Information
M
Low-Noise 500mA LDO Regulators
in a 2mm x 2mm TDFN Package
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim's website at www.maxim-ic.com.
1
19-0990; Rev 0; 9/07
IN
EN
OUT
BYP
ON
OFF
OUTPUT
4.6V
SELB
SELA
OUTS
GND
EP
4.7
μ
F
INPUT
4.7V TO 5.5V
0.01
μ
F
10
μ
F
MAX8902A
Typical Operating Circuits
PART
FEATURES
TOP
MARK
PKG
CODE
MAX8902A
ATA+
Pin-selectable output
voltage
ABG
T822-1
MAX8902B
ATA+
Adjustable output
voltage
ABH
T822-1
+Denotes a lead-free, RoHS-compliant package.
Note:
All devices are in an 8-pin, 2mm x 2mm TDFN package
with an exposed paddle and operate over the -40°C to +125°C
automotive temperature range.
IN
EN
OUT
BYP
ON
OFF
OUTPUT ADJUSTABLE
0.6V TO 5.3V
GS
POK
FB
GND
EP
4.7
μ
F
INPUT
1.7V TO 5.5V
0.01
μ
F
10
μ
F
MAX8902B
R1
R2
LOGIC
SUPPLY
R3
100k
Ω
TO
μ
C
Pin Configurations appear at end of data sheet.
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| MAX8902AATA+ | 制造商:Maxim Integrated Products 功能描述:LDO REGULATORS 制造商:Maxim Integrated Products 功能描述:LOW-NOISE 500MA LDO REGULATORS IN A 2MM X 2MM TDFN PACKAGE - Bulk |
| MAX8902AATA+T | 功能描述:低壓差穩(wěn)壓器 - LDO 500mA LDO 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(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
| MAX8902AATAT | 制造商:MAXIM/DALLAS 功能描述: |
| MAX8902BATA/V+ | 制造商:Maxim Integrated Products 功能描述:LOW-NOISE 500MA LDO REGULATORS IN A 2MM X 2MM TDFN PACKAGE - Rail/Tube |
| MAX8902BATA/V+T | 功能描述:低壓差穩(wěn)壓器 - LDO 150mA LDO 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(dòng)電壓（最大值）:307 mV 輸出電流:1 A 負(fù)載調(diào)節(jié):0.3 % 輸出端數(shù)量: 輸出類型:Fixed 最大工作溫度:+ 125 C 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:VQFN-20 |
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