RT8023 Ver la hoja de datos (PDF) - Richtek Technology
Número de pieza
componentes Descripción
Fabricante
RT8023 Datasheet PDF : 19 Pages
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RT8023
Parameter
Output Voltage Load Regulation
FB Threshold for PGOOD
Transition
PGOOD1 Pull-Down Resistance
Symbol
Test Conditions
Measured by sever loop, EA
output from 0.253V to 0.853V
EN1 Input High
EN1 Input Low
Thermal Shutdown Temperature TSD
(Note 5)
Thermal Shutdown Hysteresis
ΔTSD
LDO1 (VIN = VOUT + 0.5V, VEN = VIIN, CIN = COUT = 1uF (Ceramic))
Input Voltage Range
VIN2
Feed Back Voltage
VFB2
Output Noise Voltage
eNO
VOUT2 = 1.5V, IOUT2 = 1mA
Quiescent Current
IQ
VEN2 = 5V, IOUT2 = 0mA
Shutdown Current
EN2 Pin Current
Current Limit
ISHDN
IEN2
ILIM
EN2 = 0
Measured EN leakage current.
EN2 = 5.5V
RLOAD = 0Ω
Dropout Voltage
Load Regulation
Line Regulation
Power Supply Rejection Ratio,
f = 100kHz
FB Threshold for PGOOD
Transition
PGOOD2 Pull-Down Resistance
VDROP
ΔVLOAD
ΔVLINE
IOUT2 = 500mA, VIN2 > 2.7V
1mA < IOUT2 < 500mA,
VIN2 > 2.7V
VIN2 = (VOUT2 + 0.5) to 5.5V
IOUT2 = 1mA
PSRR IOUT2 = 300mA
EN2 Input High
EN2 Input Low
LDO2 (VIN = VOUT + 0.5V, VEN = VIN, CIN = COUT = 1uF (Ceramic))
Input Voltage Range
VIN3
Feed Back Voltage
VFB3
Output Noise Voltage
eNO
VOUT3 = 1.5V, IOUT3 = 1mA
Quiescent Current
Shutdown Current
EN3 Pin Current
IQ
ISHDN
IEN3
VEN3 = 5V, IOUT3 = 0mA
EN1 = 0
Measured EN leakage current.
EN3 = 5.5V
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6
Min Typ Max Unit
-- 0.01 1
%
0.68 0.72 0.76 V
--
--
100 Ω
1.4
--
--
V
--
--
0.4
V
--
145
--
°C
--
25
--
2.4
--
5.5
V
0.784 -- 0.816 V
--
30
-- μVRMS
--
35
60
μA
--
--
2
μA
--
0.1
1
μA
0.7 0.9 1.2
A
--
250 400 mV
--
1
--
%
-- 0.01 0.2 %/V
--
40
--
dB
-- 0.72 0.76 V
--
--
120 Ω
1.4
--
--
V
--
--
0.4
V
2.4
--
5.5
V
0.784 -- 0.816 V
--
30
-- μVRMS
--
35
60
μA
--
--
2
μA
--
0.1
1
μA
To be continued
DS8023-03 March 2011
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