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CS52510-1 Datasheet(PDF) 3 Page - Cherry Semiconductor Corporation

Part No. CS52510-1
Description  10A LDO 5-Pin Adjustable Linear Regulator
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Manufacturer  CHERRY [Cherry Semiconductor Corporation]
Direct Link  http://www.cherrycorp.com/
Logo CHERRY - Cherry Semiconductor Corporation

CS52510-1 Datasheet(HTML) 3 Page - Cherry Semiconductor Corporation

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Package Pin Description
PACKAGE PIN #
PIN SYMBOL
FUNCTION
3
Block Diagram
V
POWER
V
CONTROL
BIAS
and
TSD
V
REF
EA
IA
V
OUT
V
SENSE
Adjust
-
+
-
+
Electrical Characteristics: 0¡C²TA ² 70¡C, 0¡C²TJ ² 150¡C, VSENSE = VOUT and VAdj = 0V unless otherwise specified.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VPOWER Supply Only
VPOWER = 6V, VCONTROL not connected,
0.1
1
mA
Output Current
VADJUST = VOUT = VSENSE = 0V
Note 1:
The minimum load current is the minimum current required to maintain regulation. Normally the current in the resistor
divider used to set the output voltage is selected to meet the minimum load current requirement.
Note 2:
The control pin current is the drive current required for the output transistor. This current will track output current with
roughly a 1:100 ratio. The minimum value is equal to the quiescent current of the device.
Note 3:
This parameter is guaranteed by design and is not 100% production tested.
Note 4:
Dropout is defined as either minimum control voltage (VCONTROL) or minimum power voltage (VPOWER) to output voltage dif-
ferential required to maintain 1.5% regulation at a particular load.
Note 5:
This parameter is guaranteed by design, but not parametrically tested in production. However, a 100% thermal shutdown
functional test is performed on each part.
5L TO-220
1VSENSE
This Kelvin sense pin allows for remote sensing of the output voltage at the load
for improved regulation. It is internally connected to the positive input of the
voltage sensing error amplifier.
2
Adjust
This pin is connected to the low side of the internally trimmed 1.5% bandgap refer-
ence voltage and carries a bias current of about 50µA. A resistor divider from Adj
to VOUT and from Adj to ground sets the output voltage. Also, transient response
can be improved by adding a small bypass capacitor from this pin to ground.
3VOUT
This pin is connected to the emitter of the power pass transistor and provides a
regulated voltage capable of sourcing 10A of current.
4VCONTROL
This is the supply voltage for the regulator control circuitry. For the device to
regulate, this voltage should be between 1V and 1.4V (depending on the output
current) greater than the output voltage. The control pin current will be about 1%
of the power pin output current .
5VPOWER
This is the power input voltage. This pin is physically connected to the collector of
the power pass transistor. For the device to regulate, this voltage should be
between 0.1V and .8V greater than the output voltage depending on output cur-
rent. The output load current of 10A is supplied through this pin.


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