IXD2111B321ER datasheet, PDF - EEWORLD Datasheet

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IXD2111B321ER: DescriptionSwitching Controller; CategoryPower/power management The power supply circuit; File Size2MB，34 Pages; ManufacturerIXYS

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IXD2111B321ER Overview

Switching Controller

IXD2111B321ER Parametric

Parameter Name	Attribute value
Maker	IXYS
package instruction	,
Reach Compliance Code	compliant
ECCN code	EAR99
Analog Integrated Circuits - Other Types	SWITCHING CONTROLLER
JESD-609 code	e0
Terminal surface	TIN LEAD

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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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