SC1454 Ver la hoja de datos (PDF) - Semtech Corporation
Número de pieza
componentes Descripción
Fabricante
SC1454 Datasheet PDF : 14 Pages
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SC1454
POWER MANAGEMENT
Absolute Maximum Ratings
Exceeding the specifications below may result in permanent damage to the device, or device malfunction. Operation outside of the parameters specified
in the Electrical Characteristics section is not implied. Exposure to Absolute Maximum rated conditions for extended periods of time may affect device
reliability.
Parameter
Symbol
Maximum
Units
Input Supply Voltage
VIN
-5 to +7
V
Enable Input Voltage
VEN
-5 to +VIN
V
Operating Ambient Temperature Range
TA
-40 to +85
°C
Operating Junction Temperature Range
TJ
-40 to +125
°C
Storage Temperature Range
TSTG
-60 to +150
°C
Thermal Impedance Junction to Ambient(1)
θJA
206
°C/W
Thermal Impedance Junction to Ambient(2)
θJA
95
°C/W
Thermal Impedance Junction to Case
θJC
39
°C/W
ESD Rating (Human Body Model)
ESD
2
kV
Notes:
(1) Minimum pad size.
(2) 1 square inch of FR-4, double sided, 1oz. minimum copper weight.
Electrical Characteristics
Unless specified: TA = 25°C, VIN = VOUT + 1V, IOUTA = IOUTB = 1mA, CIN = COUT = 1.0 µF, VENA = VENB = VIN.
Values in bold apply over full operating temperature range.
Parameter
Symbol
Conditions
Min Typ Max Units
IN
Input Supply Voltage
Quiescent Current
VIN
2.25
6.50 V
IQ
VENA = 0V, VENB = VIN, IOUTB = 150mA or
100 150 µA
VENB = 0V, VENA = VIN, IOUTA = 150mA
200
VENA = VENB = VIN, IOUTA = IOUTB = 150mA
130 200 µA
250
VIN = 6.5V, VENA = VENB = 0V (OFF)
0.2 1.0 µA
1.5
OUTA, OUTB
Output Voltage(1)
Line Regulation(1)
VOUT
IOUT = 1mA
-1% VOUT +1%
V
0mA ≤ IOUT ≤ 150mA, VOUT + 1V ≤ VIN ≤ 5.5V -2%
+2%
REG(LINE)
VOUT + 1V ≤ VIN ≤ 5.5V, IOUT = 1mA
2.5 10 mV
12
Load Regulation(1)
2005 Semtech Corp.
REG(LOAD)
0.1mA ≤ IOUT ≤ 150mA
2
-5
-20 mV
-30
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