LTC3406ES5-1.8#TR datasheet, PDF

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LTC3406ES5-1.8#TR: DescriptionIC reg buck sync 1.8V tsot23-5; CategoryPower/power management The power supply circuit; File Size52KB，1 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html

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LTC3406ES5-1.8#TR Overview

IC reg buck sync 1.8V tsot23-5

LTC3406ES5-1.8#TR Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	incompatible
Maker	Linear ( ADI )
Parts packaging code	SOT
package instruction	PLASTIC, MO-193, TSOT-23, 5 PIN
Contacts	5
Manufacturer packaging code	S5
Reach Compliance Code	not_compliant
ECCN code	EAR99
Analog Integrated Circuits - Other Types	SWITCHING REGULATOR
control mode	CURRENT-MODE
Maximum input voltage	5.5 V
Minimum input voltage	2.5 V
Nominal input voltage	3.6 V
JESD-30 code	R-PDSO-G5
JESD-609 code	e0
length	2.9 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	5
Maximum operating temperature	70 °C
Minimum operating temperature
Maximum output current	1.25 A
Package body material	PLASTIC/EPOXY
encapsulated code	VSSOP
Encapsulate equivalent code	TSOP5/6,.11,37
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, VERY THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	235
Certification status	Not Qualified
Maximum seat height	1 mm
surface mount	YES
Switch configuration	BUCK
Maximum switching frequency	1800 kHz
technology	CMOS
Temperature level	COMMERCIAL
Terminal surface	Tin/Lead (Sn/Pb)
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	20
width	1.625 mm

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LTC3406/LTC3406B DC500 Description

Demonstration circuit DC500 is a constant-frequency step-down

converter, using the LTC3406, or LTC3406B, monolithic synchronous

buck regulators. The DC500 has an input voltage range of 2.7V to 5.5V,

and is capable of delivering up to 600 mA of output current at minimum

input voltage of 3V. In Burst Mode operation, which is the mode of low

load current operation offered by the LTC3406, the DC500 supply current

is typically only 25 uA at no load, and less than 1 uA in shutdown. In

noise sensitive applications, the LTC3406B is available, which runs in

pulse-skipping mode at low load currents. The DC500 is a very efficient

circuit: up to 96%. These features, plus the LTC3406/LTC3406B coming

in a tiny 5-pin ThinSOT package and having an operating frequency of 1.5

MHz (allowing the exclusive use of low profile surface mount

components), make the DC500 demo board an ideal circuit for use in

battery-powered, hand-held applications.

Design files for this circuit are

available. Call the LTC Factory.

LTC3406/LTC3406B DC500 Quick Start Guide

The DC500 demonstration board is easy to set up to evaluate the performance of

the LTC3406/LTC3406B. One word of caution: when the board is right-side up

(the title is legible at the top of the board), the output voltage turret is on the left

side of the board, and the input voltage turret is on the right side of the board.

Set up the circuit appropriately.

Please follow the procedure outlined below for proper operation.

1. Connect the input power supply to the Vin and GND terminals on the

right-side of the board. Do not hot-plug Vin or increase Vin over the

rated maximum supply voltage of 5.5V, or the part may be damaged.

Move the shunt at JP1 to the “ON” position. Refer to figure 1 for

proper measurement equipment setup.

2. Connect the load between the Vout and GND terminals on the left-side

of the board. Refer to figure 1 for proper measurement equipment

setup.

3. To shut down the circuit, connect the RUN pin to ground by inserting

the JP1 jumper into the upper position. Note the pull down resistor on

the schematic and demo circuit assembly. Do not leave this pin

floating.

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