SNVSA34E
September 2014 – December 2019
LP5907-Q1
PRODUCTION DATA.
1
Features
2
Applications
3
Description
Device Images
Simplified Schematic
4
Revision History
5
Pin Configuration and Functions
Pin 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
Output and Input Capacitors
6.7
Typical Characteristics
7
Detailed Description
7.1
Overview
7.2
Functional Block Diagram
7.3
Feature Description
7.3.1
LP5907-Q1 Voltage Options
7.3.2
Enable (EN)
7.3.3
Low Output Noise
7.3.4
Output Automatic Discharge
7.3.5
Remote Output Capacitor Placement
7.3.6
Thermal Overload Protection (TSD)
7.4
Device Functional Modes
7.4.1
Enable (EN)
7.4.2
Minimum Operating Input Voltage (VIN)
8
Application and Implementation
8.1
Application Information
8.2
Typical Application
8.2.1
Design Requirements
8.2.2
Detailed Design Procedure
8.2.2.1
Power Dissipation and Device Operation
8.2.2.2
External Capacitors
8.2.2.3
Input Capacitor
8.2.2.4
Output Capacitor
8.2.2.5
Capacitor Characteristics
8.2.2.6
Remote Capacitor Operation
8.2.2.7
No-Load Stability
8.2.2.8
Enable Control
8.2.3
Application Curves
9
Power Supply Recommendations
10
Layout
10.1
Layout Guidelines
10.2
Layout Examples
11
Device and Documentation Support
11.1
Receiving Notification of Documentation Updates
11.2
Community Resources
11.3
Trademarks
11.4
Electrostatic Discharge Caution
11.5
Glossary
12
Mechanical, Packaging, and Orderable Information
Package Options
Mechanical Data (Package|Pins)
DBV|5
MPDS018T
DQN|4
MPSS021E
Thermal pad, mechanical data (Package|Pins)
DQN|4
QFND355C
Orderable Information
snvsa34e_oa
snvsa34e_pm
1
Features
AEC-Q100 qualified for automotive applications:
Temperature grade 1: –40°C to 125°C, T
A
Input voltage range: 2.2 V to 5.5 V
Output voltage range: 1.2 V to 4.5 V
Stable with 1-µF ceramic input and output capacitors
No noise bypass capacitor required
Remote output capacitor placement
Thermal-overload and short-circuit protection
Output current: 250 mA
Low output voltage noise: < 6.5 µV
RMS
PSRR: 82 dB at 1 kHz
Output voltage tolerance: ±2%
Virtually zero I
Q
(disabled): < 1 µA
Very low I
Q
(enabled): 12 µA
Start-up time: 80 µs
Low dropout: 120 mV (typical)
–40°C to 125°C junction temperature range for operation