LTC3201EMS#TRPBF datasheet, PDF

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LTC3201EMS#TRPBF: DescriptionIC LED DRIVER RGLTR 100MA 10MSOP; CategoryPower/power management The power supply circuit; File Size43KB，1 Pages; ManufacturerLinear ( ADI ); Websitehttp://www.analog.com/cn/index.html; Environmental Compliance

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LTC3201EMS#TRPBF Overview

IC LED DRIVER RGLTR 100MA 10MSOP

LTC3201EMS#TRPBF Parametric

Parameter Name	Attribute value
Brand Name	Linear Technology
Is it Rohs certified?	conform to
Parts packaging code	MSOP
package instruction	TSSOP, TSSOP10,.19,20
Contacts	10
Manufacturer packaging code	MS
Reach Compliance Code	compliant
ECCN code	EAR99
Is Samacsys	N
Analog Integrated Circuits - Other Types	SWITCHED CAPACITOR REGULATOR
Maximum input voltage	4.5 V
Minimum input voltage	2.7 V
Nominal input voltage	3.6 V
JESD-30 code	S-PDSO-G10
JESD-609 code	e3
length	3 mm
Humidity sensitivity level	1
Number of functions	1
Number of terminals	10
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Maximum output current	0.1 A
Package body material	PLASTIC/EPOXY
encapsulated code	TSSOP
Encapsulate equivalent code	TSSOP10,.19,20
Package shape	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260
Certification status	Not Qualified
Maximum seat height	1.1 mm
surface mount	YES
Maximum switching frequency	1800 kHz
technology	CMOS
Temperature level	INDUSTRIAL
Terminal surface	Matte Tin (Sn)
Terminal form	GULL WING
Terminal pitch	0.5 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	30
width	3 mm
Base Number Matches	1

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DEMO MANUAL DC381A

QUICK START GUIDE

DC381A is used to evaluate the LTC3201 low noise charge pump LED driver.

•

Before turning on the power supply, connect a 3.3V, 500mA bench power supply

to the VIN terminal. Connect ground from the power supply to the GND terminal.

Disconnect jumpers from D0,D1,D2. This sets the DAC output to maximum LED

current. D0,D1,D2 pull high to VIN. Connecting all 3 jumpers puts the part into

shutdown mode. Note that the 300K pull-up resistors connected to D0,D1,D2 will

draw some current.

Turn on bench power supply. LEDs should light up. Voltage at FB terminal

should measure about 0.62V. VOUT terminal should measure approximately

4.22V (0.62V + 3.6V forward drop of the LED5).

Change D0,D1,D2 DAC input terminals that and notice LED current change

accordingly. Also note that each LSB change causes an approximate 90mV

change at the FB pin.

When measuring input/output voltage ripple, care must be taken to avoid a long

ground return for the oscilloscope probe. After removing the grabber and outer

plastic sleeve from the scope probe, measure the input voltage ripple by touching

the probe tip to the VIN terminal and simultaneously touching the probe ground

casing to the GND terminal. VOUT ripple is measured similarly between VOUT

and its adjacent GND.

When measuring VIN ripple, note the importance of the impedance of the bench

power supply plus the impedance of the connectors from the supply to the part.

The VIN voltage ripple will depend on the ripple current of the LTC3201 times

the total impedance mentioned above. In order to see the true effect of the low

input noise of the LTC3201, the user should connect the actual application

BATTERY. Make sure that the connector between the battery and the DC381A is

very short and made with heavy gauge wire. Measure VIN terminal. This ripple

now represents the input ripple of the LTC3201 times the impedance of the

battery.

•

LTC3201EMS#TRPBF Related Products

	LTC3201EMS#TRPBF	DC381A	LTC3201EMS#PBF
Description	IC LED DRIVER RGLTR 100MA 10MSOP	board eval for ltc3201ems	IC LED DRIVER RGLTR 100MA 10MSOP
Brand Name	Linear Technology	-	Linear Technology
Is it Rohs certified?	conform to	-	conform to
Parts packaging code	MSOP	-	MSOP
package instruction	TSSOP, TSSOP10,.19,20	-	TSSOP, TSSOP10,.19,20
Contacts	10	-	10
Manufacturer packaging code	MS	-	MS
Reach Compliance Code	compliant	-	compliant
ECCN code	EAR99	-	EAR99
Is Samacsys	N	-	N
Analog Integrated Circuits - Other Types	SWITCHED CAPACITOR REGULATOR	-	SWITCHED CAPACITOR REGULATOR
Maximum input voltage	4.5 V	-	4.5 V
Minimum input voltage	2.7 V	-	2.7 V
Nominal input voltage	3.6 V	-	3.6 V
JESD-30 code	S-PDSO-G10	-	S-PDSO-G10
JESD-609 code	e3	-	e3
length	3 mm	-	3 mm
Humidity sensitivity level	1	-	1
Number of functions	1	-	1
Number of terminals	10	-	10
Maximum operating temperature	85 °C	-	85 °C
Minimum operating temperature	-40 °C	-	-40 °C
Maximum output current	0.1 A	-	0.1 A
Package body material	PLASTIC/EPOXY	-	PLASTIC/EPOXY
encapsulated code	TSSOP	-	TSSOP
Encapsulate equivalent code	TSSOP10,.19,20	-	TSSOP10,.19,20
Package shape	SQUARE	-	SQUARE
Package form	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH	-	SMALL OUTLINE, THIN PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	260	-	260
Certification status	Not Qualified	-	Not Qualified
Maximum seat height	1.1 mm	-	1.1 mm
surface mount	YES	-	YES
Maximum switching frequency	1800 kHz	-	1800 kHz
technology	CMOS	-	CMOS
Temperature level	INDUSTRIAL	-	INDUSTRIAL
Terminal surface	Matte Tin (Sn)	-	Matte Tin (Sn)
Terminal form	GULL WING	-	GULL WING
Terminal pitch	0.5 mm	-	0.5 mm
Terminal location	DUAL	-	DUAL
Maximum time at peak reflow temperature	30	-	30
width	3 mm	-	3 mm
Base Number Matches	1	-	1

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