Conceptual
600mA Low Dropout Linear Regulator
uP0111
Features
General Description
The uP0111 is a compact fast response low dropout Wide Input Voltage Range from 2.5V to 5.5V
regulator specifically designed to continuously deliver up
to 600mA output current. Designed with a P-channel
Ultra Fast Response in Line/Load Transient
MOSFET series pass transistor, the uP0111 yields
Ultra Low Dropout Voltage: 300mV @ 600mA
Stable with 1uF Ceramic Output Capacitor
Low Ground Current: 70uA Typical
Low Shutdown Current: < 1uA
Foldback Output Current Limit
High Output Accuracy
extremely low dropout voltage (e.g. 300mV at 600mA) and
maintains very low ground current (70uA).
The uP0111 does not require a bypass capacitor, hence
achieving the smallest PCB area. The uP0111 is designed
and optimized to work with low-value, low-cost ceramic
capacitors. Only a 1uF ceramic output capacitor is required
for stable operation for any load conditions.
1.5% Initial Accuracy
Fixed Output Voltages: 0.8V to 3.3V
Adjustable Output Voltage from 0.8V to 4.5V
Other features include foldback overcurrent protection,
quick soft start, and overtemperature protection. The
uP0111 is available in fixed output voltage from 0.8V to
3.3V with 0.1V per step or as an adjustable device with a
0.8V reference voltage. The device comes in various
packages.
Over-Temperature Protection
RoHS Compliant and Halogen Free
Pin Configuration
Applications
VIN
1
2
3
5
VOUT
GND
1
Cellular and Cordless Phones
3
VIN
GND
Bluetooth Portable Radios and Accessaries
Battery-Powered Equipment
Laptop, Palmtops, Notebook Computers
Hand-Held Instruments
VOUT
2
4
FB
EN
SOT23-3L (AMA3)
SOT23-5L (AMA5)
VOUT
GND
1
2
3
1
2
3
PCMCIA Cards
GND
VIN
VIN
Portable Information Appliances
VOUT
Ordering Information
SOT223-3L (AJA3)
1
SOT223-3L (BJA3)
1
Order Number
Package
Remark
VOUT
GND
VIN
GND
uP0111AMA3-XX SOT23-3L
uP0111AMA5-XX SOT23-5L
uP0111AJA3-XX SOT223-3L
uP0111BJA3-XX SOT223-3L
uP0111AKA3-XX SOT89-3L
uP0111BKA3-XX SOT89-3L
uP0111ADD8-XX DFN3x3-8L
uP0111ADC8-XX DFN6x5-8L
uP0111PSU8-XX PSOP-8L
uP0111QSU8-XX PSOP-8L
VIN
2
2
VOUT
3
3
XX: Voltage Options
SOT89-3L (AKA3)
SOT89-3L (BKA3)
00: Adjustable Output Voltage
08: 0.8V; 10: 1.0V; 12: 1.2V
15: 1.5V; 18: 1.8V; etc ...
1D: 1.35V; 1L: 1.34V
(00 version is not available for
3-lead packages )
VIN
VIN
1
2
3
4
8
7
6
5
EN
NC
NC
EN
1
2
3
4
8
7
6
5
GND
FB
GND
GND
VOUT
VOUT
GND VIN
FB
VOUT
NC
VIN
PSOP-8L (PSU8)
PSOP-8L (QSU8)
VIN
1
2
3
4
8
EN
VIN
VIN
1
8
EN
7
6
5
NC
VIN
VOUT
VOUT
2
3
4
7
6
5
NC
GND
FB
GND
GND
GND
FB
VOUT
VOUT
Note: uPI products are compatible with the current IPC/
JEDEC J-STD-020 requirement. They are halogen-free,
RoHS compliant and 100% matte tin (Sn) plating that are
suitable for use in SnPb or Pb-free soldering processes.
DFN 3x3 (ADD8)
DFN 6x5 (ADC8)
Note: The figures are not to scale
uPI Semiconductor Corp., http://www.upi-semi.com
Rev. C01, File Name: uP0111-DS-C0101
1
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