zl1505 Intersil Corporation, zl1505 Datasheet - Page 4

• Manufacturer Part Number: zl1505
• Description: Synchronous Step-down Mosfet Drivers
• Manufacturer: Intersil Corporation

Table 3. Electrical Specifications (Cont’d)
V
DD
Lower Gate Driver Characteristics
Driver voltage (V
Low-side driver peak gate drive
current (pull-up)
Low-side driver peak gate drive
current (pull-down)
Low-side driver pull-up resistance
Low-side driver pull-down
resistance
GH rise time, t
GH fall time, t
GL rise time, t
GL fall time, t
GH turn-on propagation delay, t
GH turn-off propagation delay, t
GL turn-on propagation delay, t
GL turn-off propagation delay, t
Switching Characteristics
= 6.5 V, T
Parameter
J
FL
FH
RL
= - 40 °C to 125 °C unless otherwise noted. Typical values are at T
RH
DD
)
4
DLR
DLF
DHR
DHF
LSEL connected to VDD
LSEL connected to GND
LSEL connected to GND
LSEL connected to GND
LSEL connected to GND
LSEL connected to GND
LSEL connected to GND
LSEL connected to GND
LSEL connected to GND
LSEL connected to VDD
LSEL connected to VDD
LSEL connected to VDD
HSEL connected to BST
HSEL connected to BST
LSEL connected to VDD
LSEL connected to VDD
HSEL connected to BST
HSEL connected to BST
LSEL connected to VDD
LSEL connected to VDD
HSEL connected to SW
HSEL connected to SW
HSEL connected to SW
HSEL connected to SW
(V
(V
(V
(V
Figure 2. Timing Diagram
GL
GL
GL
DD
Conditions
– GND) = 50 mV
C
C
– V
C
C
- V
- V
GH
GH
GL
GL
GNG
GL
GND
= 3 nF,
= 3 nF,
= 3 nF
= 3 nF
) = 50 mV,
ZL1505
) = 2.5 V,
) = 2.5 V,
Min
3.0
1.5
3.5
1.8
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
–
10.5
30.0
31.5
37.5
39.0
26.5
28.0
30.0
31.5
Typ
6.5
4.5
2.4
5.4
2.8
0.7
1.0
0.5
0.7
5.3
4.8
9.5
4.0
7.8
3.0
5.5
A
= 25 °C.
Data Sheet Revision 2/18/2009
Max
16.5
0.9
1.3
0.7
1.0
8.5
7.5
6.0
4.5
8.5
15
12
–
–
–
–
–
–
–
–
–
–
–
–
–
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Unit
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
ns
Ω
Ω
Ω
Ω
V
A
A
A
A