CAT3200ES6-5-TE7 datasheet(7/12 Pages) CATALYST

Part #	CAT3200ES6-5-TE7

Description	Low Noise Regulated Charge Pump DC-DC Converter

Download	12 Pages

Scroll/Zoom	100%

Manufacturer	CATALYST [Catalyst Semiconductor]

Direct Link	http://www.catalyst-semiconductor.com

Logo

7 / 12 page

CAT3200/3200-5

7

Doc. No. 5002, Rev. E

Figure 1: Programming the Adjustable CAT3200

Typical values for total voltage divider resistance can

range from several k

Ωs up to 1MΩ.

OUT

FB

PGND

SGND

VOUT

1.27V

COUT

R1

R2

(

)

1 +

R1

R2

8

7

4

5

CPOS CNEG

IN

SHDN

3

2

6

1

DEVICE OPERATION

The CAT3200/CAT3200-5 use a switched capacitor

charge pump to boost the voltage at IN to a regulated

output voltage. Regulation is achieved by sensing the

output voltage through an internal resistor divider

(CAT3200-5) and modulating the charge pump output

current based on the error signal. A 2-phase non-

overlapping clock activates the charge pump switches.

The flying capacitor is charged from the IN voltage on the

first phase of the clock. On the second phase of the clock

it is stacked in series with the input voltage and connected

to OUT. The charging and discharging the flying capacitor

continues at a free running frequency of typically 2MHz.

In shutdown mode all circuitry is turned off and the

CAT3200/CAT3200-5 draw only leakage current from

the V

IN supply. OUT is disconnected from IN. The SHDN

pin is a CMOS input with a threshold voltage of

approximately 0.8V. The CAT3200/CAT3200-5 is in

shutdown when a logic LOW is applied to the

SHDN pin.

The

SHDN pin is a high impedance CMOS input. SHDN

does not have an internal pull-down resistor and should

not be allowed to float and. It must always be driven with

a valid logic level.

Short-Circuit and Thermal Protection

The CAT3200 and CAT3200-5 have built-in short-circuit

current limiting and over temperature protection. During

overload conditions, output current is limited to

approximately 225mA. At higher temperatures, or if the

input voltage is high enough to cause excessive chip self

heating, the thermal shutdown circuit shuts down the

charge pump as the junction temperature exceeds

approximately 160

°C. Once the junction temperature

drops back to approximately 140

°C, the charge pump is

enabled. The CAT3200and CAT3200-5 will cycle in and

out of thermal shutdown indefinitely without latch-up or

damage until a short-circuit on OUT is removed.

Programming the CAT3200 Output Voltage (FB Pin)

The CAT3200-5 version has an internal resistive divider

to program the output voltage. The programmable

CAT3200 may be set to an arbitrary voltage via an

external resistive divider. Since it employs a voltage

doubling charge pump, it is not possible to achieve

output voltages greater than twice the available input

voltage. Figure 1 shows the required voltage divider

connection. The voltage divider ratio is given by the

formula:

R

V

OUT

1

21 27

1

=−

.

Similar Part No. - CAT3200ES6-5-TE7

Manufacturer	Part #	Datasheet	Description
Catalyst Semiconductor	CAT3200ES6-5-TE7	557Kb / 12P	Low Noise Regulated Charge Pump DC-DC Converter

More results

Similar Description - CAT3200ES6-5-TE7

Manufacturer	Part #	Datasheet	Description
ON Semiconductor	CAT3200	196Kb / 12P	Low Noise Regulated Charge Pump DC-DC Converter May, 2010 ??Rev. 13
HEXIN SEMICONDUCTOR.	HX4004A	225Kb / 9P	Low Noise, Regulated Charge Pump DC/DC Converter
ON Semiconductor	CAT3200HU2	129Kb / 9P	Low Noise Regulated Charge Pump DC-DC Converter September, 2014 ??Rev. 5
SHOUDING Shouding Semic...	SD6210A	1Mb / 7P	Low Noise Regulated Charge Pump DC/DC Converter
ON Semiconductor	CAT3200HU2	187Kb / 9P	Low Noise Regulated Charge Pump DC-DC Converter April, 2010 ??Rev. 0
	CAT3200TDI-T3	190Kb / 13P	Low Noise Regulated Charge Pump DC-DC Converter Doc. No. MD-5002, Rev. N
	CAT3200ES6-5	189Kb / 12P	Low Noise Regulated Charge Pump DC-DC Converter October, 2013 ??Rev. 15
	CAT3200	134Kb / 12P	Low Noise Regulated Charge Pump DC-DC Converter April, 2014 ??Rev. 16
SHOUDING Shouding Semic...	SD6214A	840Kb / 7P	Low Noise,Regulated Charge Pump DC/DC Converter
AiT Semiconductor Inc.	A7801	399Kb / 10P	DC-DC CONVERTER LOW NOISE, REGULATED CHARGE PUMP REV1.0

More results

CAT3200ES6-5-TE7 Datasheet(PDF) 7 Page - Catalyst Semiconductor

CAT3200ES6-5-TE7 Datasheet(HTML) 7 Page - Catalyst Semiconductor

Similar Part No. - CAT3200ES6-5-TE7

Similar Description - CAT3200ES6-5-TE7

Html Pages

1 2 3 4 5 6 7 8 9 10 11 12

Datasheet Download

Link URL