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參數資料
| 型號： | CAT3200EMS8-TE13 |
| 元件分類： | DC/DC變換器 |
| 英文描述： | Low Noise Regulated Charge Pump DC-DC Converter |
| 中文描述： | 低噪聲穩壓電荷泵DC - DC轉換器 |
| 文件頁數： | 1/12頁 |
| 文件大?。?/td> | 148K |
| 代理商： | CAT3200EMS8-TE13 |
1
CAT3200, CAT3200-5
Low Noise Regulated Charge Pump DC-DC Converter
DESCRIPTION
The CAT3200 and CAT3200-5 are switched capacitor
boost converters that deliver a low noise, regulated
output voltage. The CAT3200-5 gives a fixed regulated
5V output. The CAT3200 has an adjustable output
using external resistors. The constant frequency 2MHz
charge pump allows small 1
μ
F ceramic capacitors to
be used.
Maximum output loads of up to 100mA can be
supported over a wide range of input supply voltages
(2.7V to 4.5V) making the device ideal for battery-
powered applications.
FEATURES
I
Constant high frequency (2MHz) operation
I
100mA output current
I
Regulated output voltage (5V fixed CAT3200-5,
Adjustable CAT3200)
I
Low quiescent current (1.7mA typ.)
I
Input voltage operation down to 2.7V
I
Soft start, slew rate control
I
Thermal overload shutdown protection
I
Low value external capacitors (1
μ
F)
I
Foldback current overload protection
I
Shutdown current less than 1
μ
A
I
CAT3200-5 in low profile (1mm thin) 6-lead
SOT23 package
I
CAT3200 in MSOP-8 package
2004 by Catalyst Semiconductor, Inc.
Doc. No. 5002, Rev. E
APPLICATIONS
I
3V to 5V boost conversion
I
White LED driver
I
USB On-The-Go 5V supply
A shutdown control input allows the device to be
placed in power-down mode, reducing the supply
current to less than 1
μ
A.
In the event of short circuit or overload conditions, the
device is fully protected by both foldback current
limiting and thermal overload detection. In addition, a
soft start, slew rate control circuit limits inrush current
during power-up.
The CAT3200-5 is available in a 6-lead, 1mm max
thin SOT23 package. The CAT3200 is available in an
8-lead MSOP package.
I
Local 5V supply from lower rail
I
Battery backup systems
I
Handheld portable devices
TYPICAL APPLICATION
CAT3200-5
CNEG
CPOS
IN
OUT
ON OFF
SHDN
GND
+
-
5V Output
3.3V
CAT3200
CNEG
CPOS
IN
OUT
ON OFF
SHDN
GND
+
-
3.3V
VIN
5V
100mA
VOUT
Adjustable Output
VIN
FB
R1
R2
100mA
VOUT
VOUT = 1.27 V 1+
(
(
R1
R2
H
A
L
O
G
E
N
F
R
E
TM
L
E
A
D
F
R
E
E
相關PDF資料 |
PDF描述 |
|---|---|
| CAT3200-5 | Low Noise Regulated Charge Pump DC-DC Converter |
| CAT3200ZI-TE13 | Low Noise Regulated Charge Pump DC-DC Converter |
| CAT3200 | Low Noise Regulated Charge Pump DC-DC Converter |
| CAT3200TDI-TE13 | Low Noise Regulated Charge Pump DC-DC Converter |
| CAT3200TDI-TE7 | Low Noise Regulated Charge Pump DC-DC Converter |
相關代理商/技術參數 |
參數描述 |
|---|---|
| CAT3200ES6-5 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Low Noise Regulated Charge Pump DC-DC Converter |
| CAT3200ES6-5-TE13 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:Low Noise Regulated Charge Pump DC-DC Converter |
| CAT3200ES6-5-TE7 | 制造商:CATALYST 制造商全稱:Catalyst Semiconductor 功能描述:Low Noise Regulated Charge Pump DC-DC Converter |
| CAT3200H2-T3 | 制造商:ON Semiconductor 功能描述: |
| CAT3200HU2 | 制造商:ONSEMI 制造商全稱:ON Semiconductor 功能描述:Low Noise Regulated Charge Pump DC-DC Converter |
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