SOT23. MAX8882 Datasheet

MAX8882 Datasheet PDF


Part Number

MAX8882

Description

Dual / Low-Noise / Low-Dropout / 160mA Linear Regulators in SOT23

Manufacture

Maxim

Total Page 8 Pages
PDF Download
Download MAX8882 Datasheet PDF


MAX8882 Datasheet
19-1818; Rev 1; 10/01
Dual, Low-Noise, Low-Dropout, 160mA Linear
Regulators in SOT23
General Description
The MAX8882/MAX8883 dual, low-noise, low-dropout
linear regulators operate from a +2.5V to +6.5V input
and deliver up to 160mA each of continuous current.
Both versions offer low output noise and low dropout of
only 72mV at 80mA. Designed with an internal P-
channel MOSFET pass transistor, the MAX8882/
MAX8883 maintain a low 165µA supply current (both
LDOs on), independent of the load current and dropout
voltage. Other features include short-circuit protection
and thermal-shutdown protection. The MAX8882 has a
single shutdown input and provides an external refer-
ence bypass pin to improve noise performance. The
MAX8883 includes two independent logic-controlled
shutdown inputs. The MAX8882/MAX8883 are both
available in a miniature 6-pin SOT23 package.
________________________Applications
µP/DSP Core/IO Power
Cellular and PCS Telephones
PDAs and Palmtop Computers
Notebook Computers
Digital Cameras
Hand-Held Instruments
Pin Configurations
TOP VIEW
OUTB 1
6 OUTA
MAX8882
GND 2
5 IN
BP 3
4 SHDN
Features
o Two LDOs in Tiny SOT23
o Up to 160mA Output Current (each LDO)
o 40µVRMS Output Noise (MAX8882)
o 72mV Dropout at 80mA Load
o Low 165µA Operating Supply Current
o 62dB PSRR (greater than 56dB to 100kHz)
o Independent Low-Power Shutdown Controls
(MAX8883)
o Thermal-Overload and Short-Circuit Protection
o Output Current Limit
Selector Guide
PART
MAX8882EUTJJ
VOUTA
2.85
VOUTB
2.85
TOP MARK
AANR
MAX8882EUTAQ
3.3
2.5 AAPW
MAX8882EUTA5
3.3
1.8 AARY
MAX8882EUTQ5
2.5
1.8 AAPX
MAX8882EUTGG
3.0
3.0 AAZT
MAX8883EUTJJ
2.85
2.85
AANS
MAX8883EUTAQ
3.3
2.5 AAPY
MAX8883EUTA5
3.3
1.8 AARZ
MAX8883EUTQ5
2.5
1.8 AAPZ
MAX8883EUTGG
3.0
3.0 AAZU
***Other combinations between 1.8V and 3.3V are available in
100mV increments. Contact factory for other versions.
Minimum order quantity is 50,000 units.
Ordering Information
PART
SHUT-
DOWN
TEMP
RANGE
PIN-
PACKAGE
MAX8882EUT_ _* Single -40°C to +85°C 6 SOT23-6
MAX8883EUT_ _* Dual -40°C to +85°C 6 SOT23-6
*See Selector Guide
Typical Operating Circuit
SOT23-6
Pin Configurations continued at end of data sheet.
VIN
2.5V to 6.5V
2.2µF
OUTA
MAX8882
IN MAX8883
SHDN_
OUTB
GND (BP)
2.2µF
2.2µF
VOUTA
FIXED
(1.8V to 3.3V)
VOUTB
FIXED
(1.8V to 3.3V)
0.01µF
( ) ARE FOR MAX8882 ONLY.
________________________________________________________________ Maxim Integrated Products 1
For pricing, delivery, and ordering information, please contact Maxim/Dallas Direct! at
1-888-629-4642, or visit Maxim’s website at www.maxim-ic.com.

MAX8882 Datasheet
Dual, Low-Noise, Low-Dropout, 160mA Linear
Regulators in SOT23
ABSOLUTE MAXIMUM RATINGS
IN, SHDN, SHDNA, SHDNB, BP to GND...............-0.3V to +7.0V
OUTA, OUTB to GND ..................................-0.3V to (VIN + 0.3V)
Output Short-Circuit Duration.....................................Continuous
Continuous Power Dissipation (TA = +70°C)
6-Pin SOT23 (derate 8.7mW/°C above +70°C)............695mW
Operating Temperature Range ...........................-40°C to +85°C
Junction Temperature ......................................................+150°C
Storage Temperature Range .............................-65°C to +150°C
Lead Temperature (soldering, 10s) .................................+300°C
Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional
operation of the device at these or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to
absolute maximum rating conditions for extended periods may affect device reliability.
ELECTRICAL CHARACTERISTICS
(VIN = +3.6V, SHDN = SHDNA = SHDNB = IN, TA = -40°C to +85°C, unless otherwise noted. Typical values are at TA = +25°C.) (Note 1)
PARAMETER
Input Voltage
Undervoltage Lockout
Threshold
Output Voltage Accuracy
Maximum Output Current
Current Limit
Ground Current
Shutdown Supply Current
SHDN_ Input Threshold
SHDN_ Input Bias Current
Dropout Voltage
(Notes 2, 3)
Line Regulation
Output Voltage Noise
CONDITIONS
VIN_ rising, hysteresis 40mV typical
TA = +25°C, IOUT_ = 1mA
IOUT_ = 1mA
IOUT_ = 100µA to 160mA
Continuous
No Load, VIN = 6.5V
IOUT_ = 80mA, both LDOs
SHDN_ = GND, TA = +25°C
SHDN_ = GND
VIH
VIL
SHDN_ = GND or IN, TA = +25°C
SHDN_ = GND or IN
IOUT_ = 1mA
IOUT_ = 40mA
IOUT_ = 80mA
VIN = (VOUT_ + 0.4V or 2.5V) to + 6.5V,
IOUT_ = 1mA
10Hz to 100kHz, CBP = 0.01µF, COUT_ = 4.7µF,
IOUT_ = 1mA
MAX8882
10Hz to 100kHz, COUT_ = 4.7µF, IOUT_ = 10mA MAX8883
MIN TYP MAX UNITS
2.5 6.5 V
2.15 2.25 2.40
V
-1 1
-2 2
-3 2
160
160 550
165 265
170
0.01 1
0.1
1.6
0.4
0 100
0.05
1
36
72 144
%
mA
mA
µA
µA
V
nA
mV
-0.2 0
0.2 %/V
40
µVRMS
320
2 _______________________________________________________________________________________


Features Datasheet pdf 19-1818; Rev 1; 10/01 Dual, Low-Noise, Low-Dropout, 160mA Linear Regulators in SOT23 General Description The MAX8882/ MAX8883 dual, low-noise, low-dropout li near regulators operate from a +2.5V to +6.5V input and deliver up to 160mA ea ch of continuous current. Both versions offer low output noise and low dropout of only 72mV at 80mA. Designed with an internal Pchannel MOSFET pass transist or, the MAX8882/ MAX8883 maintain a low 165µA supply current (both LDOs on), independent of the load current and dro pout voltage. Other features include sh ort-circuit protection and thermal-shut down protection. The MAX8882 has a sing le shutdown input and provides an exter nal reference bypass pin to improve noi se performance. The MAX8883 includes tw o independent logic-controlled shutdown inputs. The MAX8882/MAX8883 are both a vailable in a miniature 6-pin SOT23 pac kage. o o o o o o o Features Two LDOs in Tiny SOT23 Up to 160mA Output Curren t (each LDO) 40µVRMS Output Noise (MAX8882) 72mV Dropout at 80mA.
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