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GL34215 Datasheet Preview

GL34215 Datasheet

2A ULTRA LOW - DROPOUT REGULATOR

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Power Management
GL34215 SERIES
2A ULTRA LOW - DROPOUT REGULATOR
Description
The GL34215 is a low-dropout linear regulators. These are
devices designed specifically for battery-operated systems.
Ground current is very small (10uA -Typ), that significantly
extends battery life. Low power consumption and high
accuracy is achieved through CMOS and programmable
fuse technologies. Output voltage: 1.1V to 6.0V. The
GL34215 consists of a high-precision voltage reference, an
error correction circuit, a current limited output driver,
temperature protection circuit, short-circuit protection. With
good transient responses, output remains stable even
during load changes. The EN input enables the output to
be turned off, resulting in reduced power consumption. The
package are SOP8F, TO-252.
Features
Maximum output current: 2A.
Highly accurate: output voltage ±1.5%.
Low power consumption.
On-chip protections: thermal, short circuit.
Small input/output differential: 0.3V at 2A
Application
Battery-Operated Systems.
Portable Computers.
Portable Cameras and Video Recorders.
Reference Voltage Sources.
Instrumentation.
TYPICAL APPLICATION CIRCUITS
VIN
ENABLE
SHUTDOWN
GL34215
VIN VOUT
VEN
+ C1
ADJ
GND
VOUT
R1
R2 + C2 min.: 10μF
Vout= 0.8 * (R1+R2) / R2
VIN
ENABLE
SHUTDOWN
GL34215
VIN VOUT
VEN
+ C1
ADJ
GND
VOUT
+ C2 min.: 10μF
Vout= 0.8 V
VIN
ENABLE
SHUTDOWN
GL34215
VIN VOUT
VEN
+ C1
ADJ
GND
Vout= 2.5 V
VOUT
+ C2 min.: 10μF
1




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GL34215 Datasheet Preview

GL34215 Datasheet

2A ULTRA LOW - DROPOUT REGULATOR

No Preview Available !

Power Management
Gleam
GL34215 SERIES
2A ULTRA LOW - DROPOUT REGULATOR
MARKING INFORMATION & PIN CONFIGURATIONS (TOP VIEW)
TO-252-5 (DPAK)
GL34215
AAYYWW
EN Adj
VIN GND VOUT
SOP- 8
GND
GND
GND
GND
8765
GL34215
AAYYWW
1234
VEN
VIN
ADJ
VOUT
A
A
YY
WW
= Output Voltage (”A” is Adj version)
= Assembly Location
= Year
= Weekly
ORDERING INFORMATION (Green Package Products are available now!)
ORDERING NUMBER
OUTPUT VOLTAGE
GL34215-ATC5R
GL34215-ASF8R
Adj
Adj
* For detail Ordering Number identification, please see last page.
PACKAGE
TO-252-5
SOP-8F
SHIPPING
2,500 Units/ Tape & Reel
2,500 Units/ Tape & Reel
ABSOLUTE MAXIMUM RATINGS
Pin # Pin #
TC5 SF8
11
22
Symbol
Function
Enable Input. Pulling this pin below 0.4V turns the regulator off, reducing the
quiescent current to a fraction of its operating value. The device will be
VEN enabled if this pin is left open. Connect to Vin if not being used.
Input Voltage. For Regulation at full load, the input to this pin must be
between ( Vout +0.5V) and 5.5V. Minimum Vin=1.6V. A large bulk
VIN
capacitance should be placed closely to this pin to ensure that the input
supply does not sag below 1.6V. Also a minimum of 4.7uF ceramic capacitor
should be placed directly at this pin.
3
5~8
GND
Reference ground.
4
3
VOUT
The pin is the power output of the device. A minimum of 10uF ceramic
capacitor should be placed directly at this pin.
When this pin is grounded, an internal resistor divider sets the output voltage
5 4 ADJ to 2.5V. If this pin is connected to the Vout pin, the output vlotage will be set
2 at 0.8V. if external feedback resistors are used, the output voltage will be
Vout = 0.8 * ( R1 + R2 ) / R2 Volts


Part Number GL34215
Description 2A ULTRA LOW - DROPOUT REGULATOR
Maker Gleam
Total Page 5 Pages
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