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參數資料
| 型號： | MAX8873 |
| 廠商： | Maxim Integrated Products, Inc. |
| 英文描述： | Low-Dropout, 120mA Linear Regulators |
| 中文描述： | 低壓差、120mA線性穩壓器 |
| 文件頁數： | 1/8頁 |
| 文件大小： | 115K |
| 代理商： | MAX8873 |
_______________General Desc ription
The MAX8873T/S/R and MAX8874T/S/R low-dropout lin-
ear regulators operate from a +2.5V to +6.5V input
range and deliver up to 120mA. A PMOS pass transis-
tor allows the low, 82μA supply current to remain inde-
pendent of load, making these devices ideal for
battery-operated portable equipment such as cellular
phones and cordless phones.
The devices feature Dual Mode operation: their out-
put voltage is preset (at 3.15V for the T versions, 2.84V
for the S versions, or 2.80V for the R versions) or can be
adjusted with an external resistor divider. Total error on
the output is ±3.5%. Output voltages are set on the low
side of popular ranges so that power drain is minimized
for longer battery life. Other features include low-power
shutdown, short-circuit protection, thermal shutdown
protection, and reverse battery protection. The
MAX8874 also includes an auto-discharge function,
which actively discharges the output voltage to ground
when the device is placed in shutdown mode. Both
devices come in a miniature 5-pin SOT23 package.
For dual versions, refer to the MAX8865/MAX8866 data
sheet. For low-noise versions with 30μV
RMS
output
noise, refer to the MAX8877/MAX8878.
________________________Applic ations
Cordless Telephones
Modems
PCS Telephones
Hand-Held Instruments
Cellular Telephones
Palmtop Computers
PCMCIA Cards
Electronic Planners
____________________________Features
o
LP2980 Pin-Compatible SOT23 Package
o
Low, 55mV Dropout Voltage at 50mA I
OUT
(130mV at 120mA)
o
Low, 73μA No-Load Supply Current
Low, 82μA Operating Supply Current (even in
dropout)
o
Miniature External Components
o
Thermal Overload Protection
o
Output Current Limit
o
Reverse Battery Protection
o
Dual Mode Operation: Fixed or Adjustable
(1.25V to 6.5V) Output
o
Low-Power Shutdown
M
Low-Dropout, 120mA Linear Regulators
________________________________________________________________ Maxim Integrated Products
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 408-737-7600 ext. 3468.
1
SOT23-5
TOP VIEW
GND
SET
SHDN
1
5
OUT
IN
MAX8873
MAX8874
2
3
4
__________________Pin Configuration
MAX8873
MAX8874
SHDN
OUT
GND
SET
IN
C
OUT
1μF
C
IN
1μF
BATTERY
OUTPUT
VOLTAGE
__________Typic al Operating Circ uit
19-1257; Rev 1; 3/98
PART
MAX8873
TEUK-T
MAX8873SEUK-T
MAX8873REUK-T
MAX8874
TEUK-T
MAX8874SEUK-T
MAX8874REUK-T
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
PIN-
PACKAGE
5 SOT23-5
5 SOT23-5
5 SOT23-5
5 SOT23-5
5 SOT23-5
5 SOT23-5
______________Ordering Information
SOT TOP
MARK
ABZH
ABZI
ABZL
ABZJ
ABZK
ABZM
Dual Mode is a trademark of Maxim Integrated Products.
相關PDF資料 |
PDF描述 |
|---|---|
| MAX8874TEUK-T | Low-Dropout, 120mA Linear Regulators |
| MAX8873REUK-T | Low-Dropout, 120mA Linear Regulators |
| MAX8874REUK-T | Low-Dropout, 120mA Linear Regulators |
| MAX8873T | Low-Dropout, 120mA Linear Regulators |
| MAX8873SEUK-T | Low-Dropout, 120mA Linear Regulators |
相關代理商/技術參數 |
參數描述 |
|---|---|
| MAX8873REUK | 制造商:Maxim Integrated Products 功能描述:- Rail/Tube 制造商:Rochester Electronics LLC 功能描述: |
| MAX8873REUK+T | 功能描述:低壓差穩壓器 - LDO 120mA 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 |
| MAX8873REUK-T | 功能描述:低壓差穩壓器 - LDO 120mA 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 |
| MAX8873SEUK | 制造商:Maxim Integrated Products 功能描述:- Cut Tape Product 制造商:Rochester Electronics LLC 功能描述: |
| MAX8873SEUK+ | 制造商:Maxim Integrated Products 功能描述:LDO REG 1.25V TO 6.5V/2.84V 0.12A 5PIN SOT-23 - Rail/Tube |
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