sc473mltrt Semtech Corporation, sc473mltrt Datasheet - Page 6

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

Notes:
(1) Guaranteed by design.
(2) T
© 2006 Semtech Corp.
POWER MANAGEMENT
Electrical Characteristics (Cont.)
High-Side Driver (TG, BST, DRN)
Peak Current
On-Resistance
Rise Time
Fall Time
Propagation Delay
Shoot-thru Protection Delay
Lower-Side Driver (BG, V5, PGND)
Peak Current
On-Resistance
Rise Time
Fall Time
Parameter
J
= 25°C
(1, 2)
(1, 2)
(1, 2)
(1, 2)
(1)(2)
(1, 2)
(1, 2)
(1)
From Hysteretic Comparator
R
R
Inputs to Driver Output
R
R
TG_UP
TG_UP
TG_UP
R
BG_DN
R
R
BG_UP
TG_DN
T
TG_UP
TG_UP
TG_UP
TG_UP
R
R
R
, DRN < 0.5V, 25°C
, DRN > 0.5V, 25°C
TG_UP,,,
-40 to 125°C
-40 to 125°C
TG_DN
BG_DN
Condition
BG_UP
BG_DN
C
C
BG_UP
C
C
at -40° to 125°C
at -40° to 125°C
G_DN
, -40 to 125°C
, DRN < 0.5V,
, DRN > 0.5V,
BG
BG
TG
TG
TG_DN
, at 25°C
BG_DN
= 3nF
= 3nF
= 3nF
= 3nF
BG_UP
at 25°C
at 25°C
6
1.75
3.48
0.76
0.42
0.34
0.76
0.35
0.28
Min
4.1
0.9
3.5
0.9
2.5
17
30
10
9
5
Typ
2.0
5.8
5.8
1.3
1.3
0.6
0.6
4.0
1.3
1.3
0.5
0.5
3.5
22
12
45
20
7
Max
2.25
9.24
0.78
1.01
0.65
0.86
7.5
1.7
1.7
4.5
1.7
2.1
4.5
27
15
60
30
9
www.semtech.com
SC473
Units
ns
ns
ns
ns
ns
ns
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
Ω
A
A