ISL6627 Datasheet, PDF (5/11 Pages) Intersil Corporation – VR11.1, VR12 Compatible Synchronous Rectified Buck MOSFET Driver

ISL6627
Electrical Specifications Recommended Operating Conditions, Unless Otherwise Noted. Boldface limits apply over the operating
temperature range. (Continued)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
MAX
(Note 7) TYP (Note 7) UNITS
LGATE Turn-Off Propagation Delay (Note 6)
Minimum LGATE on Time at Diode Emulation
PROPAGATION DELAY PROGRAMMING
t_PDLL
t_{LG_ON_DM}
VCC = 5V, 3nF load
VCC = 5V
14
ns
230 330 450 ns
UGATE Fall to LGATE Rise Time
t_PDUFLR VCC = 5V, 3nF Load, 90% to 10%,
short resistor from TD to VCC
23
ns
VCC = 5V, 3nF Load, 90% to 10%, 100kΩ resistor from
18
ns
TD to VCC
VCC = 5V, 3nF Load, 90% to 10%, 330kΩ resistor from
15
ns
TD to VCC
VCC = 5V, 3nF Load, 90% to 10%, 910kΩ resistor from
7
ns
TD to VCC
VCC = 5V, 3nF Load, 90% to 10%,
short resistor from TD to GND
18
ns
LGATE Fall to UGATE Rise Time
t_PDLFUR VCC = 5V, 3nF Load, 90% to 10%,
short resistor from TD to GND
40
ns
VCC = 5V, 3nF Load, 90% to 10%, 100kΩ resistor from
25
ns
TD to GND
VCC = 5V, 3nF Load, 90% to 10%, 360kΩ resistor from
17
ns
TD to GND
VCC = 5V, 3nF Load, 90% to 10%,
short resistor from TD to VCC
27
ns
OUTPUT (Note 6)
Upper Drive Source Current
Upper Drive Source Impedance
I_U_SOURCE VCC = 5V, 3nF load
R_U_SOURCE 20mA source current
2
A
1
Ω
Upper Drive Sink Current
Upper Drive Sink Impedance
I_U_SINK VCC = 5V, 3nF load
R_U_SINK 20mA sink current
2
A
1
Ω
Lower Drive Source Current
Lower Drive Source Impedance
I_L_SOURCE VCC = 5V, 3nF load
R_L_SOURCE 20mA source current
2
A
1
Ω
Lower Drive Sink Current
Lower Drive Sink Impedance
I_L_SINK VCC = 5V, 3nF load
R_L_SINK 20mA sink current
4
A
0.4
Ω
NOTES:
6. Limits established by characterization and are not production tested.
7. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
and are not production tested.
5
FN6992.0
September 22, 2011