SC1480EVB View Datasheet(PDF) - Semtech Corporation
Part Name
Description
Manufacturer
SC1480EVB Datasheet PDF : 22 Pages
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SC1480
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.
Pin Combination
Symbol
Maximum
Units
TON to AGND
DH, BST to AGND
LX to AGND
AGND to PGND
BST to LX
VCCA, VDDP to AGND
FB, PGOOD, REFIN, ILIM, REFOUT, DL to PGND
Thermal Resistance, Junction to Ambient(4)
Operating Junction Temperature Range
Storage Temperature Range
Lead Temperature (Soldering) 10 Sec.
θJA
TJ
TSTG
TLEAD
-0.3 to +25.0
-0.3 to +30.0
-2.0 to +25.0
-0.3 to +0.3
-0.3 to +6.0
-0.3 to +6.0
-0.3 to +6.0
100
-40 to +125
-65 to +150
300
V
V
V
V
V
V
V
°C/W
°C
°C
°C
Electrical Characteristics
Test Conditions: VIN = 2.5V, REFIN = 1.25, VCCA = VDDP = 5.0V, VOUT = 1.25V, RTON = 1M (300kHz), 0.1% Resistor Dividers
Parameter
Conditions
25°C
-40°C to 125°C
Units
Min
Typ
Max
Min
Max
Input Supplies
VCCA Input Voltage
5.0
4.5
VDDP Input Voltage
5.0
4.5
VIN Input Voltage
2.0
25
VDDP Operating Current
FB > regulation point, ILOAD = 0A
5
VCCA Operating Current
FB > regulation point, ILOAD = 0A
700
VCCA Standby Current
VDDP < VDDP UV Threshold
125
No Load On REFOUT
TON Operating Current
RTON = 1M (300kHz)
15
Shutdown Current
(REFIN = 0V)
VCCA
5
VDDP + VIN
5
Controller
5.5
V
5.5
V
V
10
µA
1100 µA
µA
µA
10
µA
10
µA
Error Comparator Threshold With Respect to REFOUT
(FBK Turn-on Threshold) (1) VCCA = 4.5V to 5.5V
REFOUT
REFOUT REFOUT mV
-10
+10
2006 Semtech Corp.
2
www.semtech.com
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