IXD2111A491MR datasheet, PDF - EEWORLD Datasheet

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IXD2111A491MR: DescriptionSwitching Regulator, PDSO3, SOT-23, 3 PIN; CategoryPower/power management The power supply circuit; File Size2MB，34 Pages; ManufacturerIXYS; Environmental Compliance

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IXD2111A491MR Overview

Switching Regulator, PDSO3, SOT-23, 3 PIN

IXD2111A491MR Parametric

Parameter Name	Attribute value
Is it Rohs certified?	conform to
Maker	IXYS
package instruction	LSSOP,
Reach Compliance Code	compli
ECCN code	EAR99
Analog Integrated Circuits - Other Types	SWITCHING REGULATOR
Control Technology	PULSE FREQUENCY MODULATION
Maximum input voltage	10 V
Minimum input voltage	0.9 V
Nominal input voltage	2.94 V
JESD-30 code	R-PDSO-G3
length	2.9 mm
Number of functions	1
Number of terminals	3
Maximum operating temperature	85 °C
Minimum operating temperature	-40 °C
Nominal output voltage	4.9 V
Package body material	PLASTIC/EPOXY
encapsulated code	LSSOP
Package shape	RECTANGULAR
Package form	SMALL OUTLINE, LOW PROFILE, SHRINK PITCH
Peak Reflow Temperature (Celsius)	NOT SPECIFIED
Maximum seat height	1.3 mm
surface mount	YES
Switch configuration	BOOST
Temperature level	INDUSTRIAL
Terminal form	GULL WING
Terminal pitch	0.95 mm
Terminal location	DUAL
Maximum time at peak reflow temperature	NOT SPECIFIED
width	1.6 mm

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IXD2110/IXD2111

Step-Up DC/DC Converter / Controller

FEATURES

Operating Input Voltage Range:

0.9V ~ 10.0V

Output Voltage Range:

1.5V~7.0V with (0.1V

increments, accuracy ±2.5%)

Maximum Oscillation Frequency:

100 kHz

(180kHz for the IXD2111)

Built-in Switching NMOSFET (A/C/E

type) or

External Transistor (B/D/F

type)

Low Operating Supply Current:

2.0µA

Small Package:

SOT-23 & SOT89 (for IXD2111

series),SOT-25, USP-6C 8-pin 2 x 3 x 0.8 mm

TDFN package

step-up operation by using only an inductor, a

capacitor, and a diode connected externally.

The IXD2110/111B, D, and F versions can be used

with an external transistor for applications requiring

larger currents.

Output voltage is internally programmed in a range

from 1.5V to 7.0V in increments of 0.1V (accuracy

± 2.5%).

Maximum oscillation frequency is set to 100 kHz for

IXD2110/111 series. (At light loads, it is set to

180 kHz for the IXD2111 series.)

Options include products equipped with a CE pin (C

and D versions) that allows the IC to be shut down,

thereby reducing supply current, and with separated

OUT

pins (E and F versions) to separate the

power supply block and the output voltage detect

block.

With the IXD2110 series, maximum duty cycle is set

to 75% (V

= 3.3 V) making it suitable for use with

large current operations. The IXD2111 series

automatically switches duty ratio between 56% &

75% (V

= 3.3 V) to drop output ripple voltage, when

it senses changes in load, It can support both large

and small currents.

The external transistor types (B/D/F types) designed

for applications, which require larger currents.

APPLICATION

Mobile phones

Cameras, VCRs

Various portable equipment

DESCRIPTION

The IXD2110/IXD2111 series is a group of PFM step-

up DC/DC converter/controller ICs, designed to

generate low supply voltage. The series is ideal for

applications where a longer battery life is needed

such as in portable communication equipment. With a

built-in 2.5

Ω

N-channel driver transistor, the

IXD2110A/C/E and IXD2111A/C/E types provide a

TYPICAL APPLICATION CIRCUIT

TYPICAL PERFORMANCE CHARACTERISTIC

Characteristics subject to change without notice

Doc. No. IXD2110_DS, Rev. N0

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