SC420
POWER MANAGEMENT
Electrical Characteristics (Cont.)
Unless specified: T
A
= 25°C; V
IN
= 5V; 0V < V
DRN
< 25V
Parameter
Propagation Delay, TG Going
High
(1)
Propagation Delay, TG Going
Low
(1)
Low-Side Driver (BG)
Peak Output Current
Output Resistance
(1)
Symbol
tpdhTG
tpdlTG
Conditions
CTG = 3nF,BG = 0V
CTG = 3nF,DRN = 0V
Min
20
15
Typ
Max
Units
ns
ns
I
PKL
R
SRC_BG
I = 100mA
R
SINK_BG
2.0
3.4
A
Ω
0.9
C
BG
= 3nF
C
BG
= 3nF
C
BG
=3nF, DRN = 0V
C
BG
= 3nF
15
10
12
15
24
17
ns
ns
ns
ns
Rise Time
(1)
Fall Time
(1)
Propagation Delay,BG Going
High
(1)
Propagation Delay,BG Going
Low
(1)
Shoot-thru Protection (CDELAY)
Shoot-thru Protection Delay
Time
(1)
Programmed Delay
CDELAY charge current
Virtual Phase Node (VPN)
Output Resistance
tr
BG
tf
BG
tpdh
BG
tpdl
BG
tspd
C
CDELAY
open
20
1
ns
ns/pF
µA
I
CDELAY
500
R
SRC_VPN
R
SINK_VPN
65
90
600
Ω
Leakage
I
LEAK_VPN
nA
(1) Guaranteed by design
©
2003 Semtech Corp.
4
United States Patent No. 6,441,597
www.semtech.com
SEMTECH [ SEMTECH CORPORATION ]
