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ADP1706-3.3-EVALZ

P1-P3P4-P6P7-P8
Evaluation Board for the
ADP1706/ADP1707/ADP1708
EVAL-ADP1706/ADP1707/ADP1708
Rev. 0
Evaluation boards are only intended for device evaluation and not for production purposes.
Evaluation boards are supplied “as is” and without warranties of any kind, express, implied, or
statutory including, but not limited to, any implied warranty of merchantability or fitness for a
particular purpose. No license is granted by implication or otherwise under any patents or other
intellectual property by application or use of evaluation boards. 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. Analog Devices reserves the right to change devices or specifications at any time
without notice. Trademarks and registered trademarks are the property of their respective owners.
Evaluation boards are not authorized to be used in life support devices or systems.
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 ©2007 Analog Devices, Inc. All rights reserved.
FEATURES
Input voltage range: 2.5 V to 5.5 V
Output current range: 0 mA to 1 A
Output voltage accuracy: ±1%
Operating temperature range: −40°C to +125°C
External soft start (ADP1706)
Track mode (ADP1707)
Adjustable output voltages (ADP1708)
GENERAL DESCRIPTION
The ADP1706/ADP1707/ADP1708 evaluation board is used
to demonstrate the functionality of the ADP1706, ADP1707,
and ADP1708 series of linear regulators. Depending on what
component combinations are used, the evaluation board can
be used for ADP1706 fixed output voltage devices with soft
start, ADP1707 fixed output voltage devices with tracking, or
ADP1708 adjustable output voltage devices.
Simple device measurements such as line and load regulation,
dropout, and ground current can be demonstrated with just a
single voltage supply, a voltage meter, a current meter, and load
resistors.
For more details about the
ADP1706/ADP1707/ADP1708
linear regulators, visit
www.analog.com.
EVALUATION BOARDS
GND GND
GNDGND SS/ADJ/TRK
VIN VOUT
EN
C1 C2
R2
R1
C3
U1
ANALOG
DEVICES
ADP1706/ADP1707/ADP1708
LFCSP
J1
06934-001
Figure 1. Evaluation Board Layout, LFCSP Package
GND
GND GNDEN
GND
SS/ADJ/TRK
VIN VOUT
J1
R2
R1
U1
C1 C2
C3
ANALOG
DEVICES
ADP1706/ADP1707/ADP1708
SOIC 8
06934-002
Figure 2. Evaluation Board Layout, SOIC Package
EVAL-ADP1706/ADP1707/ADP1708
Rev. 0 | Page 2 of 8
TABLE OF CONTENTS
Features .............................................................................................. 1
General Description......................................................................... 1
Evaluation Boards............................................................................. 1
Revision History ............................................................................... 2
Evaluation Board Hardware and Schematic ................................. 3
Evaluation Board Configurations................................................... 4
ADP1706 Fixed Output with Soft Start..................................... 4
ADP1707 Fixed Output with Tracking...................................... 4
ADP1708 Adjustable Output ...................................................... 4
Output Voltage Measurements ....................................................... 5
Line Regulation............................................................................. 5
Load Regulation ............................................................................6
Dropout Voltage ............................................................................6
Ground Current Measurements ......................................................7
Ground Current Consumption ...................................................7
Ordering Information.......................................................................8
Bill of Materials..............................................................................8
Ordering Guide .............................................................................8
ESD Caution...................................................................................8
REVISION HISTORY
7/07—Revision 0: Initial Version
EVAL-ADP1706/ADP1707/ADP1708
Rev. 0 | Page 3 of 8
EVALUATION BOARD HARDWARE AND SCHEMATIC
SS/ADJ/
TRK
SENSE
OUT
OUT
EN
GND
IN
IN
U1
J1
C1
V
IN
V
OUT
R2
C3
C2
R1
1
2
3
4
8
7
6
5
06934-003
Figure 3. Evaluation Board Schematic
Table 1. Evaluation Board Hardware Components
Component Function Description
U1
1
Linear regulator ADP1706/ADP1707/ADP1708 Low Dropout Linear Regulator.
C1 Input capacitor 4.7 μF Input Bypass Capacitor.
C2 Output capacitor 4.7 μF Output Capacitor. Required for stability and transient performance.
C3
2
Soft start capacitor
10 nF Soft Start Capacitor for the ADP1706. Soft start capacitor determines
V
OUT
ramp-up time during startup.
R1, R2
3
Output voltage adjust resistors External Resistors. Used to set V
OUT
with the ADP1708.
J1 Jumper Jumper. Connects EN to IN for automatic startup.
1
Component varies depending on the evaluation board type ordered.
2
Present only on boards with the ADP1706.
3
Present only on boards with the ADP1708.
P1-P3P4-P6P7-P8

ADP1706-3.3-EVALZ

Mfr. #:
Buy ADP1706-3.3-EVALZ
Manufacturer:
Analog Devices Inc.
Description:
EVALUATION KIT FOR ADP1706 FIXED 3.3 V OUTPUT WITH SOFT START EVALUATION BOARD
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
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