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KA78RL00DTF Datasheet(PDF) 3 Page - Fairchild Semiconductor

No. de pieza KA78RL00DTF
Descripción Electrónicos  Adjustable Micro Power Voltage Regulator
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Fabricante Electrónico  FAIRCHILD [Fairchild Semiconductor]
Página de inicio  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

KA78RL00DTF Datasheet(HTML) 3 Page - Fairchild Semiconductor

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KA78RL00
3
Electrical Characteristics
(Refer to the test circuit, Ta = 25
°C, unless otherwise specified )
Note :
1. Output or reference voltage temperature coefficient is defined as the worst case voltage change divided by the total
temperature range.
2. Regulation is measured at constant junction temperature , using pulse testing with a low duty cycle.
3. Vref
≤ Vout ≤ (Vin - 1V), 2.5V ≤ Vin ≤ 28V, 100uA ≤ IL ≤ 100mA, TA ≤ TAMAX .
4. Threshold and hysteresis are expressed in terms of voltage differential at the Feedback terminal below the normal
reference . To express these thresholds in terms of output voltage change , multiply by the error amplifier gain
= VO / VREF = (R1 + R2) / R2 .
5. Vshutdown
≤ 0.6 V , VOUT =ON , Vshutdown ≥ 2.0 V, VOUT = OFF.
Parameter
Symbol
Conditions
Min.
Typ. Max.
Unit
ALL VOLTAGE OPTIONS
Output Voltage Temperature Coefficient
∆V/∆T
(Note1)
-
50
-
ppm/
°C
Line Regulation (Note2)
∆V
(Vo + 1)V
≤ VIN ≤ 28V
IL = 50mA
--
0.4
%
Load Regulation (Note2)
∆V
100uA
≤ IL ≤ 100mA
-
-
0.3
%
Dropout Voltage
VD
IL = 100uA
-
-
150
mV
IL = 100mA
-
-
600
mV
Ground Current
IG
IL = 100uA
-
-
140
uA
IL = 100mA
-
-
7
mA
Current Limit
ICL
VO = 0V
110
165
220
mA
8-PIN VERSIONS ONLY
Reference Voltage
VREF
(Note3)
1.235 1.26 1.285
V
VREF
1.225 1.26 1.295
V
ERROR COMPARATOR
Output Low Voltage
VOL
VIN = (Vo - 0.5)V, IOL =400uA
-
150
400
mV
High Threshold Voltage
VTH
(Note4)
25
60
-
mV
Low Threshold Voltage
VTL
(Note4)
-
75
140
mV
Hysteresis
VHYS
(Note4)
-
15
-
mV
SHUTDOWN INPUT
Shutdown Threshold Range
VSD
(Note5)
0.6
1.3
2.0
V
Shutdown Input Current
ISD
VSD = 2.4V
-
30
100
uA
VSD = 28V
-
450
750
uA


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