SC480 Просмотр технического описания (PDF) - Semtech Corporation
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SC480 Datasheet PDF : 25 Pages
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SC480
PPOOWWEERR MMAANNAAGGEEMMEENNTT
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
TON to VSSA
-0.3 to +25.0
DH, BST to PGND1
-0.3 to +31.0
BST, DH to LX
-0.3 to +6.0
LX to PGND1
-2.0 to +25.0
DL, ILIM, VDDP to PGND1
-0.3 to +6.0
VDDP to DL
-0.3 to +6.0
VTTIN to PGND2; VTT to PGND2; VTTIN to VTT
-0.3 to +6.0
EN/PSV, FB, PGD, REF, VCCA, VDDQS, VTTEN, VTTS to VSSA
-0.3 to +6.0
VCCA to EN/PSV, FB, REF, VDDQS, VTT, VTTEN, VTTIN, VTTS
-0.3 to +6.0
PGND1 to PGND2; PGND1 to VSSA; PGND2 to VSSA
-0.3 to +0.3
Thermal Resistance Junction to Ambient(1)
θJA
29
Operating Junction Temperature Range
TJ
-40 to +150
Storage Temperature Range
TSTG
-65 to +150
Peak IR Reflow Temperature, 10s - 40s
TPKG
260
ESD Protection Level(2)
VESD
2
Notes:
1) Calculated from package in still air, mounted to 3” x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.
2) Tested according to JEDEC standard JESD22-A114-B.
V
V
V
V
V
V
V
V
V
V
°C/W
°C
°C
°C
kV
Electrical Characteristics
TEST CONDITIONS: VIN = 15V, VCCA = VDDP = VTTEN = EN/PSV = 5V, VDDQ = VTTIN = 1.8V, RTON = 1MΩ. TAMB = -40 TO +85C.
Parameter
Conditions
25°C
Min Typ Max
Input Supplies
VCCA Operating Current
VCCA Operating Current
VCCA Operating Voltage
VDDP Operating Current
TON Operating Current
VTTIN Operating Current
VCCA + VDDP + TON
Shutdown Current
VTTIN Shutdown Current
S0 State (VTT on);
EN/PSV = VCCA;
FB > Regulation Point, IVDDQ = 0A
S3 State (VTT off);
EN/PSV = VCCA;
FB > Regulation Point, IVDDQ = 0A
FB > Regulation Point, IVDDQ = 0A
RTON = 1MΩ
IVTT = 0A
EN/PSV = VTTEN = 0V
EN/PSV = VTTEN = 0V
1500
800
5
70
15
1
5
1
-40°C to 85°C
Min Max
2500
1400
4.5
5.5
150
5
11
Units
μA
μA
V
μA
μA
μA
μA
μA
© 2006 Semtech Corp.
2
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