ADP120-ACBZ155R7 AD [Analog Devices], ADP120-ACBZ155R7 Datasheet

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ADP120-ACBZ155R7

Manufacturer Part Number
ADP120-ACBZ155R7
Description
100 mA, Low Quiescent Current, CMOS Linear Regulator
Manufacturer
AD [Analog Devices]
Datasheet
FEATURES
Input voltage range: 2.3 V to 5.5 V
Output voltage range: 1.2 V to 3.3 V
Output current: 100 mA
Low quiescent current
Low shutdown current: <1 μA
Low dropout voltage
High PSRR
Low noise: 40 μV rms at V
No noise bypass capacitor required
Initial accuracy: ±1%
Stable with small 1 μF ceramic output capacitor
16 fixed output voltage options
Current-limit and thermal overload protection
Logic controlled enable
5-lead TSOT package
4-ball 0.4 mm pitch WLCSP
APPLICATIONS
Mobile phones
Digital camera and audio devices
Portable and battery-powered equipment
Post regulation
GENERAL DESCRIPTION
The ADP120 is a low quiescent current, low dropout, linear
regulator that operates from 2.3 V to 5.5 V and provides up to
100 mA of output current. The low 60 mV dropout voltage at
100 mA load improves efficiency and allows operation over a
wide input voltage range. The low 25 μA of quiescent current at
full load makes the ADP120 ideal for battery-operated portable
equipment.
Rev. A
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.
Trademarks and registered trademarks are the property of their respective owners.
I
I
60 mV @ 100 mA load
73 dB @ 1 kHz at V
70 dB @ 10 kHz at V
GND
GND
= 11 μA with zero load
= 22 μA with 100 mA load
OUT
OUT
= 1.2 V
= 1.2 V
OUT
= 1.2 V
100 mA, Low Quiescent Current,
One Technology Way, P.O. Box 9106, Norwood, MA 02062-9106, U.S.A.
Tel: 781.329.4700
Fax: 781.461.3113
The ADP120 is available in 16 fixed output voltage options,
ranging from 1.2 V to 3.3 V. The part is optimized for stable
operation with small 1 μF ceramic output capacitors. The
ADP120 delivers good transient performance with minimal
board area.
Short-circuit protection and thermal overload protection circuits
prevent damage in adverse conditions. The ADP120 is available
in a tiny 5-lead TSOT and a 4-ball 0.4 mm pitch WLCSP for the
smallest footprint solution for use in a variety of portable
applications.
Figure 2. ADP120 WLCSP with Fixed Output Voltage, 1.8 V
Figure 1. ADP120 TSOT with Fixed Output Voltage, 1.8 V
TYPICAL APPLICATIONS CIRCUITS
V
IN
V
= 2.3V
CMOS Linear Regulator
IN
+
1µF
= 2.3V
+
1µF
©2008 Analog Devices, Inc. All rights reserved.
NC = NO CONNECT
VIN
1
2
3
EN
VIN
GND
EN
VOUT
VOUT
GND
NC
5
4
V
+
OUT
V
1µF
+
OUT
1µF
= 1.8V
ADP120
= 1.8V
www.analog.com

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ADP120-ACBZ155R7 Summary of contents

Page 1

... EN GND Figure 2. ADP120 WLCSP with Fixed Output Voltage, 1.8 V The ADP120 is available in 16 fixed output voltage options, ranging from 1 3.3 V. The part is optimized for stable operation with small 1 μF ceramic output capacitors. The ADP120 delivers good transient performance with minimal board area. ...

Page 2

... Thermal Data ................................................................................ 5 Thermal Resistance ...................................................................... 5 ESD Caution .................................................................................. 5 Pin Configurations and Function Descriptions ........................... 6 REVISION HISTORY 7/08—Rev Rev. A Deleted ADP120-1.............................................................. Universal Changes to General Description .................................................... 1 Changes to Dropout Voltage Parameter, Table 1 .......................... 3 Changes to Thermal Data Section .................................................. 5 Changes to Figure 12 and Figure 14 ............................................... 8 Changes to Figure 22 ........................................................................ 9 Changes to Table 6 and Table 7 ..................................................... 14 Changes to Figure 46 and Figure 47 Captions ...

Page 3

... Min Typ 2 0.1 − 5.5 V −2 OUT + 0 5.5 V, −2.5 OUT = 1 mA, −0.03 0.001 120 110 180 150 15 1.2 0.05 1.5 120 = ADP120 Max Unit 5.5 V μA 21 μA μA 29 μA μA 35 μA μA 1.5 μ +2.5 % +0. %/mA 0.005 %/ 120 ...

Page 4

... ADP120 Parameter Symbol POWER SUPPLY REJECTION RATIO PSRR 1 Based on an endpoint calculation using 1 mA and 100 mA loads. See Figure 6 for typical load regulation performance for loads less than 1 mA. 2 Dropout voltage is defined as the input-to-output voltage differential when the input voltage is set to the nominal output voltage. This applies only for output voltages above 2 ...

Page 5

... THERMAL DATA Absolute maximum ratings apply individually only, not in combination. The ADP120 can be damaged when the junction temperature limits are exceeded. Monitoring ambient temperature does not guarantee that T is within the specified temperature J limits ...

Page 6

... ADP120 PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS VIN 1 5 GND 2 TOP VIEW (Not to Scale CONNECT Figure 3. 5-Lead TSOT 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 greater capacitor. ...

Page 7

... J Figure 8. Ground Current vs. Junction Temperature 0.01 0 (mA) LOAD Figure 9. Ground Current vs. Load Current LOAD = 10µA LOAD = 100µA 5 LOAD = 1mA LOAD = 10mA LOAD = 100mA 0 2.3 2.5 2.7 2.9 3.1 3.3 3.5 3.7 3.9 4.1 4.3 4.5 4.7 V (V) IN Figure 10. Ground Current vs. Input Voltage ADP120 125°C 100 4.9 5.1 5.3 5.5 ...

Page 8

... ADP120 0.35 2.30V 2.50V 0.30 3.00V 3.50V 4.20V 0.25 5.50V 0.20 0.15 0.10 0.05 0 –50 – TEMPERATURE (°C) Figure 11. Shutdown Current vs. Temperature at Various Input Voltages 120 T = 25°C A 100 2.5V OUT (mA) LOAD Figure 12. Dropout Voltage vs. Load Current, TSOT, V 3.35 3.30 3.25 3.20 3.15 3.10 3.05 3.20 3.25 3.30 3.35 3.40 3.45 V (V) IN Figure 13. Output Voltage vs. Input Voltage (in Dropout), TSOT, V ...

Page 9

... IN = 3.3V 60 OUT = 1µF OUT 10M 0.001 Figure 22. Output Noise vs. Load Current and Output Voltage Rev Page ADP120 3.3V/100mA 1.2V/100mA 1.8V/100mA 3.3V/100µA 1.2V/100µA 1.8V/100µA 100 1k 10k 100k 1M FREQUENCY (Hz) Various Output Voltages and Load Currents 3.3V 1.8V 1.2V 100 ...

Page 10

... ADP120 I LOAD 1mA TO 100mA LOAD STEP, 2.5A/µs V OUT (40µs/DIV) Figure 23. Load Transient Response LOAD 1mA TO 100mA LOAD STEP, 2.5A/µs V OUT (40µs/DIV) Figure 24. Load Transient Response 1.8V OUT and μF IN OUT 1.8V OUT and C = 4.7 μF IN OUT Rev ...

Page 11

... The ADP120 is available in 16 output voltage options, ranging R1 from 1 3.3 V. The ADP120 uses the EN pin to enable and disable the VOUT pin under normal operating conditions. When EN is high, VOUT turns on; when EN is low, VOUT turns off. ...

Page 12

... ADP120. Transient response to changes in load current is also affected by output capacitance. Using a larger value of output capacitance improves the transient response of the ADP120 to large changes in load current. Figure 28 and Figure 29 show the transient responses for output capacitance values of 1 μF and 4.7 μF, respectively. ...

Page 13

... ADP120 behave in a predictable manner during power-up. ENABLE FEATURE The ADP120 uses the EN pin to enable and disable the VOUT pin under normal operating conditions. As shown in Figure 31, when a rising voltage on EN crosses the active threshold, VOUT turns on. When a falling voltage on EN crosses the inactive threshold, VOUT turns off ...

Page 14

... PROTECTION The ADP120 is protected against damage due to excessive power dissipation by current and thermal overload protection circuits. The ADP120 is designed to current limit when the output load reaches 150 mA (typical). When the output load exceeds 150 mA, the output voltage reduces to maintain a constant current limit. ...

Page 15

... 1.0 1.5 2.0 2.5 3.0 3.5 4.0 V – V (V) IN OUT 2 of PCB Copper 50°C A MAX JUNCTION TEMPERATURE I = 100mA 75mA 50mA 25mA 10mA 1.0 1.5 2.0 2.5 3.0 3.5 4.0 V – V (V) IN OUT 2 Figure 39. TSOT PCB Copper 50°C A ADP120 = 1mA 4.5 = 75mA = 25mA = 1mA 4.5 = 1mA 4.5 ...

Page 16

... ADP120 140 MAX JUNCTION TEMPERATURE 120 100 0.5 1.0 1.5 2.0 2.5 3.0 V – V (V) IN OUT 2 Figure 40. WLCSP, 500 mm of PCB Copper, T 140 MAX JUNCTION TEMPERATURE 120 100 0.5 1.0 1.5 2.0 2.5 3.0 V – V (V) IN OUT 2 Figure 41. WLCSP, 100 mm of PCB Copper, T 140 MAX JUNCTION TEMPERATURE ...

Page 17

... Figure 47. WLCSP 85°C B PCB LAYOUT CONSIDERATIONS Improve heat dissipation from the package by increasing the ) is amount of copper attached to the pins of the ADP120. However and power as listed in Table 6, a point of diminishing returns is eventually B reached, beyond which an increase in the copper size does not yield significant heat dissipation benefits ...

Page 18

... ADP120 OUTLINE DIMENSIONS * 0.90 0.10 MAX 0.860 0.820 SQ A1 BALL 0.780 CORNER TOP VIEW (BALL SIDE DOWN) 2.90 BSC 5 4 2.80 BSC 1.60 BSC PIN 1 0.95 BSC 1.90 BSC 0.87 0.84 * 1.00 MAX 0.20 0.08 0.50 SEATING 0.30 PLANE * COMPLIANT TO JEDEC STANDARDS MO-193-AB WITH THE EXCEPTION OF PACKAGE HEIGHT AND THICKNESS. Figure 50. 5-Lead Thin Small Outline Transistor Package [TSOT] ...

Page 19

... ADP120-AUJZ18R7 –40°C to +125°C 2 ADP120-AUJZ33R7 –40°C to +125°C 2 ADP120-ACBZ12R7 –40°C to +125°C 2 ADP120-ACBZ15R7 –40°C to +125°C 2 ADP120-ACBZ155R7 –40°C to +125°C 2 ADP120-ACBZ16R7 –40°C to +125°C 2 ADP120-ACBZ165R7 –40°C to +125°C 2 ADP120-ACBZ17R7 –40°C to +125°C ADP120-ACBZ175R7 2 – ...

Page 20

... ADP120 NOTES ©2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D07589-0-7/08(0) Rev Page ...

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