SC453 Просмотр технического описания (PDF) - Semtech Corporation
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SC453 Datasheet PDF : 23 Pages
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SC453
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.
Parameter
Symbol
Conditions
Min
Max
Units
Supply Voltages
Input and Output Voltages
EN
BST to PGND
VCCA, V5
VSLPV, V SLP, V VID [0.5], V DAC, V REFIN,
V CMP, V HYS, V CORE, V CL, V CLRF, V PG#,
V BOOTV, V SS, V GND, V BG, V CLSET
VEN
Static
-0.3
7
V
-0.3
VCCA +0.3
V
7
V
-0.3
36
V
BST to PGND
Transicent < 100ns
40
V
BST to DRN
-0.3
7
V
DRN to PGND
Static
-2
30
V
DRN to PGND
Transient < 100ns
-5
TG
TSTG
-2
PGND to AGND
-0.3
Thermal Resistance
Junction to Ambient
Thermal Resistance
Junction to Case
Lead Temperature
(Soldering) 10s
Peak IR Reflow
Temperature 10 - 40s
θJA
θJC
TLEAD
TPKG
TSSOP-28
TSSOP-28
TSSOP-28
TSSOP-28
NOTES:
(1) Calculated from package in still air, mounted to 3” x 4.5”, 4 layer FR4 PCB.
(2) Tested according to JEDEC standard JESD22-A114-B.
34
BST
+0.3
0.3
70
20
300
260
V
V
V
°C/W
°C/W
°C
°C
Electrical Characteristics
Unless otherwise specified: VIN = 15V, VCCA = 5V, and V5 = 5V.
Parameter
Symbol
Conditions
Supply (VIN, VCCA, V5)
VIN Supply
Voltage Range
V5 Supply
Voltage Range
VCCA Voltage Range
VCCA Quiescent Current
VIN
V5
VCCA
ICCQ
EN is low
EN is high in UVLO
© 2006 Semtech Corp.
3
Min
Typ
Max Units
3.0
25
V
4.3
5.0
6.0
V
4.5
5.0
6.0
V
10
μA
400
μA
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