TK11250C Toko America, TK11250C Datasheet - Page 18

• Manufacturer Part Number: TK11250C
• Description: (TK112xxC) LDO Regulator
• Manufacturer: Toko America

TOKO Inc.
The output voltage tables are specified with a test voltage of Vin=Output Voltage (Typ.) + 1V.
Ripple Rejection ( RR )
Output Voltage ( Vout )
The output voltage is specified with (Vin = Output Voltage (Typ.) + 1V) and output current
(Iout=5mA).
Maximum Output Current ( Iout Max )
The output current is measured when the output voltage decreases to
Dropout Voltage ( Vdrop )
The dropout voltage is the difference between the input voltage and the output voltage at which
Line Regulation ( Lin Reg )
Line regulation is the ability of the regulator to maintain a constant output voltage as the input
Load Regulation ( Load Reg )
Load regulation is the ability of the regulator to maintain a constant output voltage as the load
Quiescent Current ( Iq )
The quiescent current is the current which flows through the ground terminal under no load
Standby Current .( Istandby )
Standby current is the current which flows into the regulator when the control voltage is made 0
volts. It is measured with an input voltage of 8V.
Ripple rejection is the ability of the regulator to attenuate the ripple content of the input voltage
voltage is (Output Voltage (Typ.) + 1V). The maximum output current is measured in a short
time so that it is not influenced by the temperature of the chip. The output current decreases
with low voltage operation.
Please refer to the "Low input voltage-output current" graph for 2.1V or less.
point the regulator starts to fall out of regulation. Below this value, the output voltage will fall
as the input voltage is reduced. It is dependent upon the load current (Iout) and the junction
temperature (Tj). The input voltage is gradually decreased below the test voltage. It is the
voltage difference between the input and the output when the output voltage decreases by
100mV.
voltage changes. The line regulation is specified as the input voltage is changed from (Output
Voltage (Typ.) + 1V) to (Output Voltage (Typ.) + 6V). This measurement is not influenced by the
temperature of the IC and is measured in a short time.
current changes. The input voltage is set to (Output Voltage (Typ.) + 1V). The output voltage
change is measured as the load current changes from to 5 to 100mA and from 5 to 200mA. This
measurement is not influenced by the temperature of the IC and is measured in a short time.
conditions (Io=0mA).
at the output. It is specified with the input voltage = ( Vout + 1.5V ) , Iout=10mA, CL=1.0 F
and C
the power-supply voltage. Ripple rejection is the ratio of the ripple content of the output vs. the
input and is expressed in dB. It is typically about 80dB at 1KHz. The ripple rejection improves
when the value of the capacitor at the noise bypass terminal in the circuit is large. However,
the on/off response worsens.
np
=0.01
F
An Alternating Current source of (f=1KHz and 200mV
IC Data Sheet
GC3-H026 A
Definition of Term s
(
Vout
RMS
Typ
) is superimposed to
. x 0.9)
TK112xxC
Page 18
. The input