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ESMT/EMP

                  Revision: 2.3                  2/17 

 

 

 

EML3418-00FF08NRR 

00     Adj Operation 

FF08   TDFN-8 Package 
NRR   RoHS & Halogen Free 

Rating: -40 to 85°C 

 Package in Tape & Reel

 

 

 

 

 

EML3418-00SE08GRR/NRR 
00     Adj Operation 

SE08   SOP-8FD package 

GRR   RoHS (Pb Free) 

Rating: -40 to 85°C 

 

    Package in Tape & Reel 

NRR      RoHS & Halogen free (By Request) 

Rating: -40 to 85°C 

Package in Tape & Reel 

 

 

Harman Kardon

AVR151, AVR151S 

Service Manual

Service Manual

Page 53 of 131

ESMT/EMP

                  Revision: 2.3                  3/17 

 

     

                                                     

Feedback Pin. Receives the feedback voltage from an external 

resistive divider across the output. 

Output Voltage Pin. An internal resistive divider divides the output 

voltage down for comparison to the internal reference voltage. 

Analog Ground Pin. 

Power Ground Pin. 

Switch Pin. Must be connected to Inductor. This pin connects to 

the drains of the internal main and synchronous power MOSFET 

switches. 

Power Input Pin. Must be closely decoupled to GND pin with a 

4.7μF or greater ceramic capacitor. 

Analog Input Pin. Must be closely decoupled to GND pin with a 

4.7μF or greater ceramic capacitor. 

Enable Pin. Minimum 1.2V to enable the device. Maximum 0.4V 

to shut down the device.  Do not leave this pin floating and 
enable the chip after Vin is in the input voltage range. 

Connect to Ground. 

Harman Kardon

AVR151, AVR151S 

Service Manual

Service Manual

Page 54 of 131

 

The DB1514A is a very low dropout voltage linear 
regulator which can operate from the input 
voltages as low as 2.5V and is capable of 
delivering the continuous output load current up 
to 1.5A.   

It has a low dropout voltage (maximum 300mV at 
1A), a very low quiescent current (typically 300uA 
at 0.1A) and very high PSRR up to 86dB at 1A 
load current. 

The output voltage can be set from 0.5V to (VIN - 
V

DRP

) with an external resistor divider and it has 

±

2% accuracy through all temperature ranges 

include the line as well as load variations. 

It is allowed to use a small 4.7μF MLCC input and 
output capacitor to deliver the current with the 
stable operation. 

An internal Soft-Start function reduces the inrush 
current and the other features are include over 
current protection (OCP), short-circuit protection 
(SCP), and thermal shut down protection (TSD). 

The DB1514A is available in 8-SOP-EP package 
with exposed pad for optimal power dissipation 
and 8-TDFN(3mmx3mm). 

„

  Input Voltage Range: 2.5V to 6.0V 

„

  Low Quiescent Current: Typ. 300uA @   

„

  Current limit : Min. 1.8A 

„

   Adjustable Output from 0.5V 

„

   DB1514A: Typ 0.4V Dropout @ I

„

  Compatible with MLCC Capacitors 

„

  Soft-Start Limits Inrush Current 

„

  Thermal Shutdown Protection 

„

  Over Current & Short Circuit Protection 

„

  TV & STB application 

„

 Servers 

„

 Networking 

„

 Notebook 

„

 Optical 

Modules 

„

 Post 

Regulators 

DB1514AHETR 8-SOP-EP 
DB1514ADLTR 8-TDFN(3x3) 

 

 

Harman Kardon

AVR151, AVR151S 

Service Manual

Service Manual

Page 55 of 131

7 

5 

PG 

Open Drain Power-Good (PG) Output. 

8 6 EN 

Enable 

Input. 

1,2 

7,8 

VIN 

Input Supply Voltage Pin. 

3,4 1,2 OUT 

Output 

pin 

5 3 FB 

Feedback Pin. Connect to output through a voltage-divider to set 
the output. Recommended that the tolerance of feedback 
resistors is below 1%. 

6 4 

GND 

Ground 

Pin 

EP 

EP 

Exposed pad

Should be connected to GND for Heatsink. 

 

 

Harman Kardon

AVR151, AVR151S 

Service Manual

Service Manual

Page 56 of 131