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ADP121 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 ADP121
기능 CMOS Linear Regulator
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ADP121 데이터시트, 핀배열, 회로
Data Sheet
FEATURES
Input voltage range: 2.3 V to 5.5 V
Output voltage range: 1.2 V to 3.3 V
Output current: 150 mA
Low quiescent current
IGND = 11 μA with 0 μA load
IGND = 30 μA with 150 mA load
Low shutdown current: <1 μA
Low dropout voltage
90 mV @ 150 mA load
High PSRR
70 dB @ 1 kHz at VOUT = 1.2 V
70 dB @ 10 kHz at VOUT = 1.2 V
Low noise: 40 μV rms at VOUT = 1.2 V
No noise bypass capacitor required
Output voltage accuracy: ±1%
Stable with a small 1 μF ceramic output capacitor
Current limit and thermal overload protection
Logic controlled enable
5-lead TSOT package
4-ball 0.4 mm pitch WLCSP
APPLICATIONS
Mobile phones
Digital cameras and audio devices
Portable and battery-powered equipment
Post dc-to-dc regulation
Post regulation
GENERAL DESCRIPTION
The ADP121 is a quiescent current, low dropout, linear regulator
that operates from 2.3 V to 5.5 V and provides up to 150 mA of
output current. The low 135 mV dropout voltage at 150 mA
load improves efficiency and allows operation over a wide
input voltage range. The low 30 μA of quiescent current at full
load makes the ADP121 ideal for battery-operated portable
equipment.
150 mA, Low Quiescent Current,
CMOS Linear Regulator
ADP121
TYPICAL APPLICATION CIRCUITS
VIN = 2.3V
CIN
1µF
1 VIN VOUT 5
VOUT = 1.8V
2 GND
COUT
1µF
ON 3 EN
NC 4
OFF
NC = NO CONNECT
Figure 1. ADP121 TSOT with Fixed Output Voltage, 1.8 V
VIN = 2.3V
CIN
1µF
VOUT = 1.8V
VIN VOUT
COUT
1µF
ON
OFF
EN
GND
Figure 2. ADP121 WLCSP with Fixed Output Voltage, 1.8 V
The ADP121 is available in output voltages ranging from 1.2 V
to 3.3 V. The parts are optimized for stable operation with small
1 μF ceramic output capacitors. The ADP121 delivers good
transient performance with minimal board area.
Short-circuit protection and thermal overload protection circuits
prevent damage in adverse conditions. The ADP121 is available
in a tiny 5-lead TSOT and 4-ball 0.4 mm pitch halide-free
WLCSP packages and utilizes the smallest footprint solution to
meet a variety of portable applications.
Rev. G
Information furnished by Analog Devices is believed to be accurate and reliable. However, no
responsibility is assumed by Analog Devices for its use, nor for any infringements of patents or other
rights of third parties that may result from its use. Specifications subject to change without notice. No
license is granted by implication or otherwise under any patent or patent rights of Analog Devices.
Trademarksandregisteredtrademarksarethepropertyoftheirrespectiveowners.
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
www.analog.com
Fax: 781.461.3113 ©2008–2012 Analog Devices, Inc. All rights reserved.




ADP121 pdf, 반도체, 판매, 대치품
Data Sheet
ADP121
SPECIFICATIONS
VIN = (VOUT + 0.5 V) or 2.3 V, whichever is greater; EN = VIN; IOUT = 10 mA; CIN = COUT = 1 µF; TA = 25°C, unless otherwise noted.
Table 1.
Parameter
INPUT VOLTAGE RANGE
OPERATING SUPPLY CURRENT
SHUTDOWN CURRENT
FIXED OUTPUT VOLTAGE ACCURACY
REGULATION
Line Regulation
Load Regulation1
DROPOUT VOLTAGE2
TSOT
WLCSP
START-UP TIME3
CURRENT-LIMIT THRESHOLD4
THERMAL SHUTDOWN
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
EN INPUT
EN Input Logic High
EN Input Logic Low
EN Input Leakage Current
UNDERVOLTAGE LOCKOUT
Input Voltage Rising
Input Voltage Falling
Hysteresis
OUTPUT NOISE
Symbol
VIN
IGND
IGND-SD
VOUT
Conditions
TJ = −40°C to +125°C
IOUT = 0 µA
IOUT = 0 µA, TJ = −40°C to +125°C
IOUT = 10 mA
IOUT = 10 mA, TJ = −40°C to +125°C
IOUT = 150 mA
IOUT = 150 mA, TJ = −40°C to +125°C
EN = GND
EN = GND, TJ = −40°C to +125°C
IOUT = 10 mA
100 µA < IOUT < 150 mA,
VIN = (VOUT + 0.5 V) to 5.5 V
100 µA < IOUT < 150 mA,
VIN = (VOUT + 0.5 V) to 5.5 V
TJ = −40°C to +125°C
∆VOUT/∆VIN
∆VOUT/∆IOUT
VDROPOUT
TSTART-UP
ILIMIT
VIN = (VOUT + 0.5 V) to 5.5 V, IOUT = 1 mA
TJ = −40°C to +125°C
IOUT = 1 mA to 150 mA
IOUT = 1 mA to 150 mA
TJ = −40°C to +125°C
VOUT = 3.3 V
IOUT = 10 mA
IOUT = 10 mA, TJ = −40°C to +125°C
IOUT = 150 mA
IOUT = 150 mA, TJ = −40°C to +125°C
IOUT = 10 mA
IOUT = 10 mA, TJ = −40°C to +125°C
IOUT = 150 mA
IOUT = 150 mA, TJ = −40°C to +125°C
VOUT = 3.3 V
TSSD
TSSD-HYS
TJ rising
VIH
VIL
VI-LEAKAGE
UVLO
UVLORISE
UVLOFALL
UVLOHYS
OUTNOISE
2.3 V ≤ VIN ≤ 5.5 V
2.3 V ≤ VIN ≤ 5.5 V
EN = VIN or GND
EN = VIN or GND, TJ = −40°C to +125°C
10 Hz to 100 kHz, VIN = 5 V, VOUT = 3.3 V
10 Hz to 100 kHz, VIN = 5 V, VOUT = 2.5 V
10 Hz to 100 kHz, VIN = 5 V, VOUT = 1.2 V
Min Typ Max Unit
2.3 5.5 V
11 µA
21 µA
15 µA
29 µA
30 µA
40 µA
0.1 µA
1.5 µA
−1 +1 %
−2 +2 %
−3 +3 %
−0.03
+0.03 %/V
0.001
%/mA
0.005 %/mA
8 mV
12 mV
120 mV
180 mV
6 mV
9 mV
90 mV
135 mV
120 µs
160 225 350 mA
150 °C
15 °C
1.2 V
0.4 V
0.05 µA
1
2.25 V
1.5 V
120 mV
65 µV rms
52 µV rms
40 µV rms
Rev. G | Page 3 of 20

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ADP121 전자부품, 판매, 대치품
ADP121
PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS
Data Sheet
VIN 1
5 VOUT
GND
2
TOP VIEW
(Not to Scale)
EN 3
4 NC
NC = NO CONNECT
Figure 3. 5-Lead TSOT Pin Configuration
12
A VIN
VOUT
TOP VIEW
(Not to Scale)
B EN
GND
Figure 4. 4-Ball WLCSP Pin Configuration
Table 5. Pin Function Descriptions
Pin No.
TSOT WLCSP Mnemonic Description
1 A1
VIN
Regulator Input Supply. Bypass VIN to GND with a 1 µF or larger capacitor.
2 B2
GND
Ground.
3 B1
EN
Enable Input. Drive EN high to turn on the regulator; drive EN low to turn off the regulator. For automatic
startup, connect EN to VIN.
4 N/A NC
No Connect. Not connected internally.
5 A2
VOUT
Regulated Output Voltage. Bypass VOUT to GND with a 1 µF or greater capacitor.
Rev. G | Page 6 of 20

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