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Catalyst Semiconductor

CAT3200 Datasheet Preview

CAT3200 Datasheet

Low Noise Regulated Charge Pump DC-DC Converter

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CAT3200, CAT3200-5
Low Noise Regulated Charge Pump DC-DC Converter
FEATURES
ALOGEN FR
LEA D F REETM
s Constant high frequency (2MHz) operation
s 100mA output current
s Regulated output voltage (5V fixed CAT3200-5,
Adjustable CAT3200)
s Low quiescent current (1.7mA typ.)
s Input voltage operation down to 2.7V
s Soft start, slew rate control
s Thermal overload shutdown protection
s Low value external capacitors (1µF)
s Foldback current overload protection
s Shutdown current less than 1µA
s CAT3200-5 in low profile (1mm thin) 6-lead
SOT23 package
s CAT3200 in MSOP-8 package
APPLICATIONS
s 3V to 5V boost conversion
s White LED driver
s USB On-The-Go 5V supply
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 1µF 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.
s Local 5V supply from lower rail
s Battery backup systems
s Handheld portable devices
A shutdown control input allows the device to be
placed in power-down mode, reducing the supply
current to less than 1µA.
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.
TYPICAL APPLICATION
5V Output
Adjustable Output
VIN
+
3.3V
-
CNEG
IN
CPOS
OUT
CAT3200-5
ON OFF SHDN
GND
5V
VOUT
100mA
VIN
+
3.3V
-
CNEG
IN
CPOS
OUT
CAT3200
ON OFF SHDN
GND
FB
VOUT
100mA
R1
R2
© 2004 by Catalyst Semiconductor, Inc.
(VOUT = 1.27 V
1+ R1
R2
Doc. No. 5002, Rev. E
1




Catalyst Semiconductor

CAT3200 Datasheet Preview

CAT3200 Datasheet

Low Noise Regulated Charge Pump DC-DC Converter

No Preview Available !

CAT3200/3200-5
ORDERING INFORMATION
Part Number
Output Voltage
CAT3200ES6-5-TE7
CAT3200ES6-5-TE13
CAT3200EMS8-TE13
CAT3200TDI-TE7
CAT3200TDI-TE13
CAT3200ZI-TE13
5V
5V
Adjustable
5V
5V
Adjustable
Package
6-lead thin SOT23
6-lead thin SOT23
8-lead MSOP
6-lead thin SOT23, Lead Free
6-lead thin SOT23, Lead Free
8-lead MSOP, Lead Free
Package Marking
BJ
BJ
AATR
LN
LN
ABDA
Quantity
per Reel
3,000
10,000
2,500
3,000
10,000
2,500
PIN DESCRIPTIONS
Designation
Description
OUT
Regulated output voltage.
GND
Ground reference for all voltages.
SHDN
Shutdown control logic input (Active LOW)
CNEG
Negative connection for the flying capacitor.
IN Input power supply.
CPOS
Positive connection for the flying capacitor.
FB Feedback to set the output voltage.
PGND
Power ground.
SGND
Signal ground.
PIN CONFIGURATION
6-lead Thin SOT23
8-pin MSOP
OUT 1
6 CPOS
GND 2 CAT3200-5 5 IN
SHDN 3
4 CNEG
CPOS 1
IN 2
CNEG 3
PGND 4
CAT3200
8 OUT
7 FB
6 SHDN
5 SGND
Doc. No. 5002, Rev. E
2


Part Number CAT3200
Description Low Noise Regulated Charge Pump DC-DC Converter
Maker Catalyst Semiconductor
PDF Download

CAT3200 Datasheet PDF






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