sc473mltrt Semtech Corporation, sc473mltrt Datasheet - Page 3

• Manufacturer Part Number: sc473mltrt
• Description: Sc473 Single-phase Single Chip Graphics Core Power Supply
• Manufacturer: Semtech Corporation

Exceeding the specifi cations below may result in permanent damage to the device or device malfunction. Operation outside of
the parameters specifi ed in the Electrical Characteristics section is not implied.
*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.
Unless otherwise specifi ed, VccA = V5 = 5V, -40° < T
© 2006 Semtech Corp.
Electrical Characteristics
POWER MANAGEMENT
Absolute Maximum Ratings
Parameter
Supply Voltage (V5)
BST to PGND
BST to DRN
DRN to PGND
TG to PGND
BG to PGND
All Other Pins to PGND
Thermal Resistance Junction to Ambient
JESD51 Standard Method*
Operating Junction Temperature Range
Storage Temperature Range
Peak IR Refl ow (10-40sec)
Parameter
Control / Driver Supply (V5)
V5 Operating Range
V5 UVLO
V5 Current
Hysteresis Falling
Operating (Static)
J
< +125°C.
Condition
In UVLO
EN = L0
Rising
Transient <100ns
Transient <100ns
3
Condition
T
Static
Static
T
IRrefl ow
θ
T
STG
JA
J
4.25
Min
4.5
50
DRN, -0.3
Min
-0.3
-0.3
-0.3
-0.3
-0.3
-0.3
-40
-65
-2
-5
Typ
150
5.0
4.4
0.8
10
VCCA +0.3
BST, +0.3
V5, +0.3
Max
250
5.5
4.5
1.3
10
12
Max
125
150
260
6.5
30
34
25
29
28
6
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SC473
Units
mV
mA
mA
Units
μA
o
V
V
C/W
o
o
o
V
V
V
V
V
V
V
V
V
C
C
C