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LTC3416EFE#PBF

Description
Conv DC-DC 2.25V to 5.5V Synchronous Step Down Single-Out 0.8V to 5V 4A Automotive 20-Pin TSSOP EP Tube
File Size194KB,16 Pages
ManufacturerADI
Websitehttps://www.analog.com
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LTC3416EFE#PBF Overview

Conv DC-DC 2.25V to 5.5V Synchronous Step Down Single-Out 0.8V to 5V 4A Automotive 20-Pin TSSOP EP Tube

LTC3416EFE#PBF Parametric

Parameter NameAttribute value
EU restricts the use of certain hazardous substancesCompliant
ECCN (US)EAR99
Part StatusActive
HTS8542.39.00.01
TypeSynchronous Step Down
Output TypeAdjustable
Switching Frequency (kHz)300 to 4000
Switching RegulatorYes
Number of Outputs1
Output Voltage (V)0.8 to 5
Maximum Output Current (A)4
Minimum Input Voltage (V)2.25
Maximum Input Voltage (V)5.5
Operating Supply Voltage (V)2.25 to 5.5
Line Regulation0.2%/V
Load Regulation0.2%
Efficiency (%)95
Minimum Operating Temperature (°C)-40
Maximum Operating Temperature (°C)85
Supplier Temperature GradeExtended
PackagingTube
Pin Count20
Standard Package NameSOP
Supplier PackageTSSOP EP
MountingSurface Mount
Package Height1.05(Max)
Package Length6.6(Max)
Package Width4.5(Max)
PCB changed20
Lead ShapeGull-wing
LTC3416
4A, 4MHz, Monolithic
Synchronous Step-Down
Regulator with Tracking
FEATURES
DESCRIPTIO
High Efficiency: Up to 95%
4A Output Current
Low R
DS(ON)
Internal Switch: 67mΩ
Tracking Input to Provide Easy Supply Sequencing
Programmable Frequency: 300kHz to 4MHz
2.25V to 5.5V Input Voltage Range
±2%
Output Voltage Accuracy
0.8V Reference Allows Low Output Voltage
Low Dropout Operation: 100% Duty Cycle
Power Good Output Voltage Monitor
Overtemperature Protected
Available in a 20-Lead Thermally Enhanced
TSSOP Package
The LTC
®
3416 is a high efficiency monolithic synchro-
nous, step-down DC/DC converter utilizing a constant
frequency, current mode architecture. It operates from an
input voltage range of 2.25V to 5.5V and provides a
regulated output voltage from 0.8V to 5V while delivering
up to 4A of output current. The internal synchronous
power switch with 67mΩ of on-resistance increases effi-
ciency and eliminates the need for an external Schottky
diode. Switching frequency is set by an external resistor.
100% duty cycle provides low dropout operation extend-
ing battery life in portable systems. OPTI-LOOP
®
compen-
sation allows the transient response to be optimized over
a wide range of loads and output capacitors.
The LTC3416 operates in forced continuous operation and
provides tracking of another power supply rail. Forced
continuous operation reduces noise and RF interference and
provides excellent transient response. Fault protection is
provided by an overcurrent comparator, and adjustable
compensation allows the transient response to be optimized
over a wide range of loads and output capacitors.
, LTC and LT are registered trademarks of Linear Technology Corporation. All other
trademarks are the property of their respective owners. OPTI-LOOP is a registered trade-
mark of Linear Technology Corporation. Protected by U.S. Patents including 5481178,
6580258, 6304066, 6127815, 6498466, 6611131, 6724174.
APPLICATIO S
Portable Instruments
Notebook Computers
Distributed Power Systems
Battery-Powered Equipment
POL Board Power
TYPICAL APPLICATIO
I/O VOLTAGE
V
IN
2.5V TO 5.5V
SVIN
R
T
127k
V
OUT2
2.5V
100
90
22µF
PVIN
PGOOD
SW
LTC3416
RUN/SS PGND
I
TH
SGND
7.5k
820pF
255k
200k
255k
3416 F01a
80
EFFICIENCY (%)
0.2µH
100µF
×2
V
OUT1
1.8V
4A
70
60
50
40
30
20
10
0
0.01
TRACK
V
FB
200k
Figure 1a. 2.5V/4A Step-Down Regulator with Tracking
Figure 1b. Efficiency vs Load Current
3416fa
U
V
IN
= 2.5V
V
IN
= 3.3V
V
OUT
= 1.8V
f = 2MHz
0.10
1
LOAD CURRENT (A)
10
3416 G09
U
U
1

LTC3416EFE#PBF Related Products

LTC3416EFE#PBF LTC3416EFE#TR LTC3416EFE#TRPBF LTC3416EFE
Description Conv DC-DC 2.25V to 5.5V Synchronous Step Down Single-Out 0.8V to 5V 4A Automotive 20-Pin TSSOP EP Tube Conv DC-DC 2.25V to 5.5V Synchronous Step Down Single-Out 0.8V to 5V 4A Automotive 20-Pin TSSOP EP T/R Conv DC-DC 2.25V to 5.5V Synchronous Step Down Single-Out 0.8V to 5V 4A Automotive 20-Pin TSSOP EP T/R Conv DC-DC 2.25V to 5.5V Synchronous Step Down Single-Out 0.8V to 5V 4A Automotive 20-Pin TSSOP EP
EU restricts the use of certain hazardous substances Compliant Not Compliant Compliant Not Compliant
ECCN (US) EAR99 EAR99 EAR99 EAR99
Part Status Active Unconfirmed Active Unconfirmed
HTS 8542.39.00.01 8542.39.00.01 8542.39.00.01 8542.39.00.01
Type Synchronous Step Down Synchronous Step Down Synchronous Step Down Synchronous Step Down
Output Type Adjustable Adjustable Adjustable Adjustable
Switching Frequency (kHz) 300 to 4000 300 to 4000 300 to 4000 300 to 4000
Switching Regulator Yes Yes Yes Yes
Number of Outputs 1 1 1 1
Output Voltage (V) 0.8 to 5 0.8 to 5 0.8 to 5 0.8 to 5
Maximum Output Current (A) 4 4 4 4
Minimum Input Voltage (V) 2.25 2.25 2.25 2.25
Maximum Input Voltage (V) 5.5 5.5 5.5 5.5
Operating Supply Voltage (V) 2.25 to 5.5 2.25 to 5.5 2.25 to 5.5 2.25 to 5.5
Line Regulation 0.2%/V 0.2%/V 0.2%/V 0.2%/V
Load Regulation 0.2% 0.2% 0.2% 0.2%
Efficiency (%) 95 95 95 95
Minimum Operating Temperature (°C) -40 -40 -40 -40
Maximum Operating Temperature (°C) 85 85 85 85
Supplier Temperature Grade Extended Extended Extended Extended
Pin Count 20 20 20 20
Standard Package Name SOP SOP SOP SOP
Supplier Package TSSOP EP TSSOP EP TSSOP EP TSSOP EP
Mounting Surface Mount Surface Mount Surface Mount Surface Mount
Package Height 1.05(Max) 1.05(Max) 1.05(Max) 1.05(Max)
Package Length 6.6(Max) 6.6(Max) 6.6(Max) 6.6(Max)
Package Width 4.5(Max) 4.5(Max) 4.5(Max) 4.5(Max)
PCB changed 20 20 20 20
Lead Shape Gull-wing Gull-wing Gull-wing Gull-wing
Packaging Tube Tape and Reel Tape and Reel -
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