ZXCL300H5 Zetex Semiconductors, ZXCL300H5 Datasheet

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ZXCL300H5

Manufacturer Part Number
ZXCL300H5
Description
Manufacturer
Zetex Semiconductors
Datasheet

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PACKAGE FOOTPRINT
ISSUE 5 - NOVEMBER 2001
ULTRA SMALL MICROPOWER SC70 LOW DROPOUT REGULATORS
DESCRIPTION
The ZXCL series are very small low dropout
regulators designed for use in low power and
severely space limited applications.
The devices operate with a low dropout voltage,
typically of only 85mV at 50mA load. Supply current
is minimised with a ground pin current of only 50 A
at full 150mA load. Logic control allows the devices
to be shut down, consuming typically less than 10nA.
These features make the device ideal for battery
powered applications where power economy is
critical.
The parts have been designed with space sensitive
systems in mind. They are available in the ultra small
SC70 package, which is half the size of other SOT23
based regulator devices.
FEATURES
5-pin SC70 package for the ultimate in space
saving
5-pin SOT23 industry standard pinout
Low 85mV dropout at 50mA load
50 A ground pin current with full 150mA load
Typically less than 10nA ground pin current on
shutdown
2.5, 2.6, 2.8, 3, 3.3 and 4 volts output
Very low noise, without bypass capacitor
Thermal overload and over-current protection
-40 to +85°C operating temperature range
Total Aea
2.1mm x 2mm
=4.2mm
Total Aea
2.8mm x 2.9mm
=8.12mm
2
2
ZXCL250 ZXCL260 ZXCL280
ZXCL300 ZXCL330 ZXCL400
1
For applications requiring improved performance
over alternative devices, the ZXCL is also offered in
the 5 pin SOT23 package with an industry standard
pinout.
The devices feature thermal overload and
over-current protection and are available with output
voltages of 2.5V, 2.6V, 2.8V, 3V, 3.3V and 4V. Other
voltage options between 1.5V and 4V can be
provided. Contact Zetex marketing for further
information.
The ZXCL series are manufactured using CMOS
processing, however advanced design techniques
mean that output noise is improved even when
compared to other bipolar devices.
APPLICATIONS
Battery Supply
Cellular and Cordless phones
Palmtop and laptop computers
PDA
Hand held instruments
Camera, Camcorder, Personal Stereo
PCMCIA cards
Portable and Battery-powered equipment
TYPICAL APPLICATION CIRCUIT
ZXCL
Output Voltage

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ZXCL300H5 Summary of contents

Page 1

ULTRA SMALL MICROPOWER SC70 LOW DROPOUT REGULATORS DESCRIPTION The ZXCL series are very small low dropout regulators designed for use in low power and severely space limited applications. The devices operate with a low dropout voltage, typically of only 85mV ...

Page 2

ZXCL250 ZXCL260 ZXCL280 ZXCL300 ZXCL330 ZXCL400 ABSOLUTE MAXIMUM RATINGS Terminal Voltage with respect to GND V -0. -0.3V to 10V N V -0.3V to 5.5V O Package Power Dissipation (T =25°C) A SC70 300mW (Note 1) ...

Page 3

ELECTRICAL CHARACTERISTICS 0.5V, typical values SYMBOL PARAMETER V Dropout Voltage DO Note 3 V Line Regulation LNR V Load Regulation LDR E Output Noise Voltage N V Enable pin voltage for ENH ...

Page 4

ZXCL250 ZXCL260 ZXCL280 ZXCL300 ZXCL330 ZXCL400 TYPICAL CHARACTERISTICS 100mA OUT 1mA OUT Input Voltage (V) Input to Output Characteristics 2. 3. ...

Page 5

TYPICAL CHARACTERISTICS OUT 1mA 100mA Time ( s) Start-Up Response 6 ...

Page 6

ZXCL250 ZXCL260 ZXCL280 ZXCL300 ZXCL330 ZXCL400 PIN DESCRIPTION Pin Name Pin Function V Supply Voltage IN G Ground ND E Active HIGH Enable input. TTL/CMOS logic compatible. N Connect logic high for normal operation IN N/C No ...

Page 7

Input to Output Diode In common with many other LDO regulators, the ZXCL device has an inherent diode associated with the output series pass transistor of each regulator. This diode has its anode connected to the output and its cathode ...

Page 8

ZXCL250 ZXCL260 ZXCL280 ZXCL300 ZXCL330 ZXCL400 APPLICATIONS INFORMATION Enable Control A TTL compatible input is provided to allow the regulator to be shut down. A low voltage on the Enable pin puts the device into shutdown mode. In this mode ...

Page 9

APPLICATIONS INFORMATION (Cont) Power Dissipation The maximum allowable power dissipation of the device for normal operation (Pmax function of the package junction to ambient thermal resistance ( ja), maximum junction temperature (Tjmax), and ambient temperature (Tamb), according to ...

Page 10

ZXCL250 ZXCL260 ZXCL280 ZXCL300 ZXCL330 ZXCL400 PACKAGE DIMENSIONS SC70 DIM Millimetres MIN 0.70 b 0.15 C 0.08 D 2.00BSC E 2.10BSC E1 1.25BSC e 0.65BSC e1 1.30BSC L 0.26 a° 0 SOT23-5 DIM Millimetres MIN MAX A ...

Page 11

... ORDERING INFORMATION DEVICE ZXCL250H5 ZXCL260H5 ZXCL280H5 ZXCL300H5 ZXCL330H5 ZXCL400H5 ZXCL1250H5 ZXCL1260H5 ZXCL1280H5 ZXCL1300H5 ZXCL1330H5 ZXCL1400H5 ZXCL250E5 ZXCL260E5 ZXCL280E5 ZXCL300E5 ZXCL330E5 ZXCL400E5 © Zetex plc 2001 Zetex plc Zetex GmbH Fields New Road Streitfeldstraße 19 Chadderton D-81673 München Oldham, OL9 8NP United Kingdom ...

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