SC1408IMS.TR データシートの表示（PDF） - Semtech Corporation
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SC1408IMS.TR Datasheet PDF : 12 Pages
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SC1408
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 Voltage
Small Signal Ground to Power Ground
GATE to GND
BST to GND
-0.3 to 18
V
GND to AGND
+0.1
V
-0.3 to VBST +0.3 or 5
V
FB, SHDN, REF, ISENSE to GND
-0.3 to min. of VBST +0.3 or 5
V
Operating Temperature
TA
Junction Temperature Range
TJ
Storage Temperature Range
TSTG
Lead Temperature (Soldering) 10 Sec.
TL
Thermal Resistance, Junction to Ambient
SO-8
MSOP-8
θJA
Thermal Resistance, Junction to Case
SO-8
MSOP-8
θJC
-40 to +85
-40 to +150
-65 to +160
+300
128
216
50
70
°C
°C
°C
°C
°C/W
°C/W
Electrical Characteristics
Unless specified: VOUT = 5V; ILOAD = 0mA; TA = +25°C
Parameter
Sym
Conditions
Min Typ Max Units
Input Voltage
VIN
TA = 25oC
1.8
16.5 V
TA = -40oC to +85oC
1.8
16.5 V
Supply Current
VOUT=16.5V,SHDN < 0.4V TA = -40oC to +85oC
110 140 µA
VOUT=10V, 1.6V < SHDN < 5V TA = -40oC to +85oC
2
10
Output Voltage
VOUT
VIN = 2.0V to 5.0V
TA = -40oC to +85oC 4,800 5.0 5.200 V
Load Regulation
VIN = 2.0V, VOUT = 5V, ILOAD = 0mA to 500mA
60
mV/A
Line Regulation
VIN = 2.7V to 4.0V, VOUT = 5V, ILOAD = 500mA
7
mV/V
Minimum Start Up Voltage
No load
1.8 V
Minimum Switch On Time
Minimum Switch Off Time
Efficiency
Reference Voltage
Reference Load
Regulation
tON(Max)
tOFF(Min)
VREF
9.6 16 22.4 µs
1.4 2.3 3.2 µs
VIN = 4V, VOUT = 5V, ILOAD = 0mA to 500mA
87
%
IREF =0µA
TA = -40oC to +85oC 1.176 1.200 1.224 V
0µA < IREF < 100µA
-4
10 mV
Reference Line
Regulation
2005 Semtech Corp.
5V < VOUT < 16.5V
2
40 100 µV/V
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