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TC1302A 데이터시트(PDF) 4 Page - Microchip Technology

부품명 TC1302A
상세설명  LOW QUIESCENT CURRENT DUAL OUTPUT LDO
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제조업체  MICROCHIP [Microchip Technology]
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TC1302A 데이터시트(HTML) 4 Page - Microchip Technology

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TC1302A/B
DS21333B-page 4
© 2005 Microchip Technology Inc.
TEMPERATURE SPECIFICATIONS
Shutdown Supply Current
TC1302A
IIN_SHDNA
—58
90
µA
SHDN2 = GND
Shutdown Supply Current
TC1302B
IIN_SHDNB
0.1
1
µA
SHDN1 = SHDN2 = GND
Power Supply Rejection Ratio
PSRR
58
dB
f
≤ 100 Hz, IOUT1 = IOUT2 = 50 mA,
CIN = 0 µF
Output Noise
eN
830
nV/(Hz)½ f
≤ 1kHz, IOUT1 = IOUT2 = 50 mA,
CIN = 0 µF
Output Short Circuit Current (Average)
VOUT1
IOUTsc1
200
mA
RLOAD1 ≤ 1Ω
VOUT2
IOUTsc2
140
mA
RLOAD2 ≤ 1Ω
SHDN Input High Threshold
VIH
45
——
%VIN
VIN = 2.7V to 6.0V
SHDN Input Low Threshold
VIL
——
15
%VIN
VIN = 2.7V to 6.0V
Wake Up Time (From SHDN
mode), (VOUT2)
tWK
—5.3
20
µs
VIN = 5V, IOUT1 = IOUT2 = 30 mA,
See Figure 5-1
Settling Time (From SHDN mode),
(VOUT2)
tS
—50
µs
VIN = 5V, IOUT1 = IOUT2 = 50 mA,
See Figure 5-2
Thermal Shutdown Die
Temperature
TSD
150
°C
VIN = 5V, IOUT1 = IOUT2 = 100 µA
Thermal Shutdown Hysteresis
THYS
—10
°C
VIN = 5V
Electrical Specifications: Unless otherwise indicated, all limits are specified for: VIN = +2.7V to +6.0V.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Temperature Ranges
Operating Junction Temperature Range
TA
-40
+125
°C
Steady State
Storage Temperature Range
TA
-65
+150
°C
Maximum Junction Temperature
TJ
+150
°C
Transient
Thermal Package Resistances
Thermal Resistance, MSOP8
θJA
208
°C/W
Typical 4-Layer Board
Thermal Resistance, DFN8
θJA
41
°C/W
Typical 4-Layer Board with Vias
DC CHARACTERISTICS (Continued)
Electrical Specifications: Unless otherwise noted, VIN = VR +1V, IOUT1 = IOUT2 = 100 µA, CIN = 4.7 µF,
COUT1 = COUT2 = 1 µF, CBYPASS = 10 nF, SHDN > VIH, TA = +25°C.
Boldface type specifications apply for junction temperatures of -40°C to +125°C.
Parameters
Sym
Min
Typ
Max
Units
Conditions
Note
1:
The minimum VIN has to meet two conditions: VIN ≥ 2.7V and VIN ≥ VR + VDROPOUT.
2:
VR is defined as the higher of the two regulator nominal output voltages (VOUT1 or VOUT2).
3:
TCVOUT = ((VOUTmax - VOUTmin) * 10
6)/(V
OUT * ΔT).
4:
Regulation is measured at a constant junction temperature using low duty-cycle pulse testing. Load regulation is tested
over a load range from 0.1 mA to the maximum specified output current. Changes in output voltage due to heating
effects are covered by the thermal regulation specification.
5:
Thermal regulation is defined as the change in output voltage at a time t after a change in power dissipation is applied,
excluding load or line regulation effects. Specifications are for a current pulse equal to ILMAX at VIN = 6V for t = 10 msec.
6:
Dropout voltage is defined as the input-to-output voltage differential at which the output voltage drops 2% below its
value measured at a 1V differential.
7:
The maximum allowable power dissipation is a function of ambient temperature, the maximum allowable junction
temperature and the thermal resistance from junction to air (i.e., TA, TJ, θJA). Exceeding the maximum allowable power
dissipation causes the device to initiate thermal shutdown.


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