參數(shù)資料
型號： TK63022BCB-G
廠商： TOKO INC
元件分類： 固定正電壓單路輸出LDO穩(wěn)壓器
英文描述： 2.2 V FIXED POSITIVE LDO REGULATOR, 0.262 V DROPOUT, PBGA4
封裝： FC-4
文件頁數(shù)： 20/29頁
文件大小： 525K
代理商： TK63022BCB-G
TK630xxB
GC3-J013
Page 27
12-5. Definition of term
Characteristics
Output Voltage (V
Out)
The output voltage is specified with V
In=(VOutTYP+1V)
and I
Out=5mA.
Maximum Output Current (I
Out, MAX)
The rated output current is specified under the condition
where the output voltage drops 0.9V times the value
specified with I
Out=5mA.
The input voltage is set to
V
OutTYP+1V
and the current is pulsed to minimize
temperature effect.
Dropout Voltage (V
Drop)
The dropout voltage is the difference between the input
voltage and the output voltage at which 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 output voltage, the load current,
and the junction temperature.
Line Regulation (LinReg)
Line regulation is the ability of the regulator to maintain a
constant output voltage as the input voltage changes. The
line regulation is specified as the input voltage is changed
from V
In=VOut,TYP+1V to VIn=VOut,TYP+6V. It is a pulse
measurement to minimize temperature effect.
Load Regulation (LoaReg)
Load regulation is the ability of the regulator to maintain
a constant output voltage as the load current changes. It is
a pulsed measurement to minimize temperature effects
with the input voltage set to V
In=VOut,TYP+1V. The load
regulation is specified under an output current step
condition of 5mA to 100mA.
Ripple Rejection (RR)
Ripple rejection is the ability of the regulator to attenuate
the ripple content of the input voltage at the output. It is
specified with 500mV
rms,
1kHz super-imposed on the
input voltage, where V
In=VOut,TYP+1.5V. Ripple rejection
is the ratio of the ripple content of the output vs. input and
is expressed in dB.
Standby Current (I
Standby)
Standby current is the current which flows into the
regulator when the output is turned off by the control
function (V
Cont=0V).
Protections
Over Current Sensor
The over current sensor protects the device when there is
excessive output current. It also protects the device if the
output is accidentally connected to ground.
Thermal Sensor
The thermal sensor protects the device in case the
junction temperature exceeds the safe value (T
j=150°C).
This temperature rise can be caused by external heat,
excessive power dissipation caused by large input to
output voltage drops, or excessive output current. The
regulator will shut off when the temperature exceeds the
safe value. As the junction temperatures decrease, the
regulator will begin to operate again. Under sustained
fault conditions, the regulator output will oscillate as the
device turns off then resets. Damage may occur to the
device under extreme fault.
Please prevent the loss of the regulator when this
protection operates, by reducing the input voltage or
providing better heat efficiency.
ESD
MM : 200pF 0
150V or more
HBM : 100pF 1.5k
2000V or more
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