ILC6360 查看數據表（PDF） - Impala Linear Corporation

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ILC6360

Step-Up/Step Down DC-DC Converter for 1-Cell Lithium-Ion Batteries

Impala Linear Corporation 

Step-Up/Step-Down DC-DC Converter for 1-Cell Lithium-Ion Batteries

ON/OFF

2 VIN

ILC6360

R5

3

LBI/SD

R6

7 GND

Fig 5: Shut Down Control

Table 1

Vendor

Coilcraft

muRata

Sumida

TDK

Part No.

DO330P-153

D03316P-153

D01608C-153

LQH4N150K

LQH3C150K

CDR74B-150MC

CD43-150

CD54-150

NLC453232T-150K

Contact

(847) 639-6400

www.coilcraft.com

(814) 237-1431

www.murata.com

(847) 956-0666

www.japanlink.com/sumida

(847) 390-4373

www.tdk.co.jp

Power Good Output (POK)

The power good output of the ILC6360 indicates when VOUT

is within the regulation tolerance of the set output voltage.

POK output is an open drain device capable of sinking

2mA. It will remain pulled low until the output voltage has

risen to typically 95% of the specified VOUT.

Adjustable Output Voltage Selection

The ILC6360-ADJ allows the output voltage to be set using

a potential divider. The formula for setting the adjustable

output voltage is:

VOUT = VFB x (1+R1/R2)

Where VFB is the feedback voltage which is 1.25V nominal.

CIN +

10µF

VIN

ON

OFF

L

15µH

ILC6360CIR-ADJ

1

LX

2 VIN

VOUT 8

GND 7

3 LBI/SD LBO 6

4 SYNC

VFB

5

Ext Sync

(Connect to GND if unused)

COUT

10µF 100µF

++

VOUT

R1

R2

Adjustable Voltage Configuration

EXTERNAL COMPONENT SELECTION

Inductors

The ILC6360 is designed to work with a 15µH inductor in

most applications. There are several vendors who supply

standard surface mount inductors for this value. Suggested

inductor manufacturers are shown in table 1. Higher values

of inductance will improve efficiency, but will reduce peak

inductor current and consequently ripple and noise, but will

also limit output current.

Capacitors

Input Capacitor

The input capacitor is necessary to minimize the peak cur-

rent drawn from the battery. Typically a 100µF tantalum

capacitor is recommended. Low equivalent series resistance

(ESR) capacitors will help to minimize battery voltage ripple.

Output Capacitor

Low ESR capacitors should be used at the output of the

ILC6360 to minimize output ripple. The high switching

speeds and fast changes in the output capacitor current,

mean that the equivalent series resistance of the capacitor

can contribute greatly to the output ripple. In order to mini-

mize these effects choose an output capacitor with less

than 10nH of equivalent series inductance (ESL) and less

than 100mΩ of equivalent series resistance (ESR).

Typically these characteristics are met with ceramic capac-

itors, but may also be met with certain types of tantalum

capacitors. Suitable capacitor manufacturers are shown in

table 2. A parallel combination of 10µF and 100µF is rec-

ommended at the output

Table 2

Description

T495 series tantalum

595D series tantalum

TAJ, TPS series tantalum

X7R Ceramic

Vendor

Kemet

Sprague

AVX

TDK

AVX

Taiyo

Yuden

Contact

(864) 963-6300

(603) 224-1961

(803) 946-0690

(847) 390-4373

(803) 946-0690

(408) 573-4150

Impala Linear Corporation

ILC6360 1.1

(408) 574-3939 www.impalalinear.com

Jan 1999 8

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