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參數(shù)資料
| 型號(hào)： | ILC6360CIR-ADJ |
| 廠商： | Impala Linear Corporation |
| 元件分類： | DC/DC變換器 |
| 英文描述： | STEP-UP/STEP DOWN DC-DC CONVERTER FOR 1-CELL LITHIUM-LON BATTERIES |
| 中文描述： | STEP-UP/STEP向下的DC - DC轉(zhuǎn)換器，用于1節(jié)鋰離子電池 |
| 文件頁(yè)數(shù)： | 8/14頁(yè) |
| 文件大?。?/td> | 687K |
| 代理商： | ILC6360CIR-ADJ |
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Step-Up/Step-Down DC-DC Converter for 1-Cell Lithium-Ion Batteries
Impala Linear Corporation
8
(408) 574-3939
www.impalalinear.com
Jan 1999
ILC6360 1.1
Power Good Output (POK)
The power good output of the ILC6360 indicates when V
OUT
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 V
OUT
.
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:
V
OUT
= V
FB
x (1+R1/R2)
Where V
FB
is the feedback voltage which is 1.25V nominal.
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.
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 100m
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
ON/OFF
R5
R6
LBI/SD
3
ILC6360
2 V
IN
7 GND
Fig 5: Shut Down Control
15
μ
H
Ext Sync
(Connect to GND if unused)
L
C
OUT
ILC6360CIR-ADJ
L
X
V
IN
LBI/SD
SYNC
GND
LBO
V
FB
V
OUT
V
OUT
1
2
3
4
8
7
6
5
+
ON
OFF
V
IN
+
10
μ
F
C
IN
+
R1
R2
10μF 100μF
Adjustable Voltage Configuration
Vendor
Coilcraft
Part No.
Contact
DO330P-153
D03316P-153
D01608C-153
LQH4N150K
LQH3C150K
CDR74B-150MC
CD43-150
CD54-150
NLC453232T-150K
(847) 639-6400
www.coilcraft.com
muRata
(814) 237-1431
www.murata.com
(847) 956-0666
www.japanlink.com/sumida
Sumida
TDK
(847) 390-4373
www.tdk.co.jp
Description
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
T495 series tantalum
595D series tantalum
TAJ, TPS series tantalum
X7R Ceramic
Table 1
Table 2
EXTERNAL COMPONENT SELECTION
Capacitors
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| ILC6363CIR50X_Q | 功能描述:DC/DC 開關(guān)控制器 Step-Up/Step Down DC-DC RoHS:否 制造商:Texas Instruments 輸入電壓:6 V to 100 V 開關(guān)頻率: 輸出電壓:1.215 V to 80 V 輸出電流:3.5 A 輸出端數(shù)量:1 最大工作溫度:+ 125 C 安裝風(fēng)格: 封裝 / 箱體:CPAK |
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