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TPS7A03 Nanopower IQ, 200-nA, 200-mA, Low-Dropout Voltage Regulator With Fast Transient Response
SBVS375C
July 2019 – September 2022
TPS7A03
PRODUCTION DATA
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TPS7A03 Nanopower IQ, 200-nA, 200-mA, Low-Dropout Voltage Regulator With Fast Transient Response
1
Features
2
Applications
3
Description
4
Revision History
5
Pin Configuration and Functions
6
Specifications
6.1
Absolute Maximum Ratings
6.2
ESD Ratings
6.3
Recommended Operating Conditions
6.4
Thermal Information
6.5
Electrical Characteristics
6.6
Switching Characteristics
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
Excellent Transient Response
7.3.2
Active Discharge (P-Version Only)
7.3.3
Low IQ in Dropout
7.3.4
Smart Enable
7.3.5
Dropout Voltage
7.3.6
Foldback Current Limit
7.3.7
Undervoltage Lockout (UVLO)
7.3.8
Thermal Shutdown
7.4
Device Functional Modes
7.4.1
Device Functional Mode Comparison
7.4.2
Normal Operation
7.4.3
Dropout Operation
7.4.4
Disabled
8
Application and Implementation
8.1
Application Information
8.1.1
Recommended Capacitor Types
8.1.2
Input and Output Capacitor Requirements
8.1.3
Load Transient Response
8.1.4
Undervoltage Lockout (UVLO) Operation
8.1.5
Power Dissipation (PD)
8.1.5.1
Estimating Junction Temperature
8.1.5.2
Recommended Area for Continuous Operation
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.3
Application Curve
8.3
Power Supply Recommendations
8.4
Layout
8.4.1
Layout Guidelines
8.4.2
Layout Examples
9
Device and Documentation Support
9.1
Device Support
9.1.1
Device Nomenclature
9.2
Receiving Notification of Documentation Updates
9.3
Support Resources
9.4
Trademarks
9.5
Electrostatic Discharge Caution
9.6
Glossary
10
Mechanical, Packaging, and Orderable Information
IMPORTANT NOTICE
Package Options
Mechanical Data (Package|Pins)
YCH|4
MXBG413
DBV|5
MPDS018T
DQN|4
MPSS021E
Thermal pad, mechanical data (Package|Pins)
DQN|4
QFND355C
Orderable Information
sbvs375c_oa
sbvs375c_pm
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TPS7A03 Nanopower IQ, 200-nA, 200-mA, Low-Dropout Voltage Regulator With Fast Transient Response
1
Features
Ultra-low I
Q
:
200
nA (typ), even in dropout
Shutdown I
Q
: 3 nA (typ)
Excellent transient response (1 mA to 50 mA)
< 10-µs settling time
80-mV undershoot
Packages:
1.0-mm × 1.0-mm X2SON
SOT23-5
0.64-mm × 0.64-mm DSBGA
Input voltage range: 1.5 V to 6.0 V
Output voltage range: 0.8 V to 5.0 V (fixed)
Output accuracy: 1.5% over temperature
Smart enable pulldown
Very low dropout:
270 mV (max) at 200 mA (V
OUT
= 3.3 V)
Stable with a 1-µF or larger capacitor
2
Applications
Wearables electronics
Thermostats
,
smoke and heat detectors
Gas
,
heat
, and
water meters
Blood glucose monitors
and
pulse oximeters
Residential circuit breakers
and
fault indicators
Building security
and
video surveillance devices
EPOS card readers