WL2815
WL2815
Low power consumption, CMOS LDO
Http://www.sh-willsemi.com
Descriptions
The WL2815 series are low dropout linear regulators
and optimized to provide a high performance solution
for battery power system to deliver low quiescent
current. The devices offer a new level of cost effective
performance in cellular phones, laptop and notebook
computers, and other portable devices.
DFN1X1-4L
The WL2815 series are designed to make use of low
cost ceramic capacitors which ensure the stability of
the output current, and enhance the efficiency in order
to prolong the battery life of those portable devices.
The WL2815 regulators are available in DFN1x1-4L
packages. Standard products are Pb-free and Halogen
free products.
Features
Pin Configuration (Top View)
Quiescent current
: 1.5μA Typ.
Input voltage
: 2.1V ~ 5.5V
Output voltage
: 1.1V ~ 3.3V
Output current
: 300mA @ VOUT=3.3V
Output current
: 200mA @ VOUT=2.0V
Output current
: 150mA @ VOUT=1.5V
Dropout voltage
: 100mV @ 100mA
A: Device Code
Recommend capacitor
: 1uF or more
* : Voltage Code
Operating Temperature
: -40 ~ +85 °C
Y : Year Code
Output short protection
W: Week Code
Applications
For detail marking information, please see page 9.
Marking
MP3/MP4 Players
Cell phones
Bluetooth earphone
Wireless mouse
Others electronics devices
Will Semiconductor Ltd.
For detail order information, please see page 9.
Order Information
1
Nov, 2018 – Rev 1.8
WL2815
Typical Application
Pin Description
DFN1X1-4L
PIN
Symbol
1
VOUT
Output
2
GND
Ground
3
EN
Enable (Active high,not floating)
4
VIN
Input
EP
Description
GND level, this pin must
connect to GND.
Block Diagram
Will Semiconductor Ltd.
2
Nov, 2018 – Rev 1.8
WL2815
Absolute Maximum Ratings
Parameter
Power Dissipation
Value
Unit
400
mW
VIN Range
-0.3~6.5
V
VEN Range
-0.3~VIN
V
VOUT Range
-0.3~VIN
V
260
o
-65 ~ 150
o
150
o
Lead Temperature
Storage Temperature
Operating Junction Temperature
MSL
C
C
C
Level-3
ESD Capability, Human Body Model
7000
V
ESD Capability, Machine Model
400
V
Operating Range
Parameter
Value
Thermal Resistance, RθJA
Unit
250
C/W
o
Input Voltage
2.1 ~ 5.5
Operating Temperature Range
-40~85
V
C
o
Electronics Characteristics (VIN = VOUT +1V, CIN=COUT=1uF, TA=25°C, unless otherwise noted)
Parameter
Output Voltage
Output Current
Symbol
VOUT
IOUT
Output short current limiter
ILIM
Dropout Voltage
VDROP
Line Regulation
Condition
Min.
Typ.
Max.
Vout<2V, IOUT=1mA
-3%
+3%
Vout≥2V, IOUT=1mA
-2%
+2%
VOUT =1.2V
150
VOUT=2.0V
200
VOUT=3.3V
300
Unit
mA
VOUT=GND
80
IOUT =100mA, VOUT=3.3V
75
IOUT =300mA, VOUT=3.3V
230
△VLINE
VIN=VOUT+1V~5.5V, IOUT=40mA
0.1
%/V
Load Regulation
△VLOAD
IOUT = 1~ 300mA
20
mV
Quiescent Current
IQ
VIN = VOUT +1V, IOUT=0A
1.5
TC
-40℃≤Ta≤125℃
100
ppm/℃
Vp-p=1V, F=100Hz, IOUT=10mA
65
dB
Vp-p=1V, F=1KHz, IOUT=10mA
45
dB
50
uVrms
Output Voltage Temperature
Coefficient
Power Supply Ripple Rejection
PSRR
Output Noise Voltage
VNO
Shut Down Current
ISD
VEN=0V
0.01
Soft-Start Time
Tss
VOUT=10%-90%
500
EN Logic High Voltage
VENH
VIN =5.5V, IOUT =1mA
EN Logic Low Voltage
VENL
VIN =5.5V, VOUT =0V
Output Discharge resistance
RDIS
VIN =4.0V, VEN=0V
Will Semiconductor Ltd.
BW=10Hz to 100kHz
IOUT=10mA
3
mA
mV
2.5
1.0
uA
uA
us
V
1.2
0.4
120
V
Ω
Nov, 2018 – Rev 1.8
WL2815
Typical Characteristics (TA=25oC, unless otherwise noted)
Output Voltage vs. Input Voltage
Output Voltage vs. Input Voltage
Output Voltage vs. Temperature
Will Semiconductor Ltd.
Output Voltage vs. Temperature
4
Nov, 2018 – Rev 1.8
WL2815
Output Voltage vs. Output Current
Output Voltage vs. Output Current
PSRR vs. Frequency
PSRR vs. Frequency
Dropout Voltage vs. Output Current
Will Semiconductor Ltd.
5
Nov, 2018 – Rev 1.8
WL2815
Turn On
Turn On
Turn Off
Turn Off
Load Step
Line Step
Will Semiconductor Ltd.
6
Nov, 2018 – Rev 1.8
WL2815
PACKAGE OUTLINE DIMENSIONS
DFN1x1-4L
D
b
E
E1
1
D
Ⅰ
L
K
Ⅱ
e
A3
BOTTOM VIEW
A1
A
TOP VIEW
SIDE VIEW
Symbol
Dimensions in Millimeters
Min.
Typ.
Max.
A
0.32
0.37
0.40
A1
-
0.02
0.05
A3
0.10 Ref.
b
0.17
0.22
0.28
L
0.20
-
0.30
D
0.95
1.00
1.05
E
0.95
1.00
1.05
D1
0.43
0.48
0.53
E1
0.43
0.48
0.53
e
0.65BSC
K
0.15Ref.
Will Semiconductor Ltd.
7
Nov, 2018 – Rev 1.8
WL2815
TAPE AND REEL INFORMATION
Reel Dimensions
RD
Reel Dimensions
Tape Dimensions
W
P1
Quadrant Assignments For PIN1 Orientation In Tape
Q1
Q2
Q1
Q2
Q3
Q4
Q3
Q4
RD
Reel Dimension
W
Overall width of the carrier tape
P1
Pitch between successive cavity centers
Pin1
Pin1 Quadrant
Will Semiconductor Ltd.
User Direction of Feed
7inch
13inch
1 8mm
12mm
16mm
2mm
4mm
8mm
Q1
Q2
Q3
8
Q4
Nov, 2018 – Rev 1.8
WL2815
Order Information
Ordering No.
Vout
Package
(V)
Operating
Temperature
WL2815D11-4/TR
1.1
DFN-1X1-4L
-40~+85°C
WL2815D12-4/TR
1.2
DFN-1X1-4L
-40~+85°C
WL2815D15-4/TR
1.5
DFN-1X1-4L
-40~+85°C
WL2815D18-4/TR
1.8
DFN-1X1-4L
-40~+85°C
WL2815D20-4/TR
2.0
DFN-1X1-4L
-40~+85°C
WL2815D25-4/TR
2.5
DFN-1X1-4L
-40~+85°C
WL2815D28-4/TR
2.8
DFN-1X1-4L
-40~+85°C
WL2815D30-4/TR
3.0
DFN-1X1-4L
-40~+85°C
WL2815D33-4/TR
3.3
DFN-1X1-4L
-40~+85°C
Marking
AD
YW
AE
YW
AG
YW
AH
YW
AI
YW
AK
YW
AL
YW
AM
YW
AN
YW
Shipping
10,000 Tape & Reel
10,000 Tape & Reel
10,000 Tape & Reel
10,000 Tape & Reel
10,000 Tape & Reel
10,000 Tape & Reel
10,000 Tape & Reel
10,000 Tape & Reel
10,000 Tape & Reel
Marking:
A: Device Code
* : Voltage Code
Y : Year Code
W: Week Code
Will Semiconductor Ltd.
9
Nov, 2018 – Rev 1.8
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