ISL6217A Datasheet, PDF (4/20 Pages) Intersil Corporation – Precision Multi-Phase Buck PWM Controller for Intel, Mobile Voltage Positioning IMVP-IV™ and IMVP-IV+™

ISL6217A
Electrical Specifications Operating Conditions: VDD = 5V, T_A = -10°C to 85°C, Unless Otherwise Specified (Continued)
PARAMETER
TEST CONDITIONS
MIN TYP MAX
UGATE Sink Resistance
500mA Sink Current
-
1
1.5
UGATE Sink Current
LGATE Source Resistance
VUGATE-PHASE = 2.5V
500mA Source Current
-
2
-
-
1
1.5
LGATE Source Current
LGATE Sink Resistance
VLGATE = 2.5V
500mA Sink Current
-
2
-
-
0.5
0.8
LGATE Sink Current
BOOTSTRAP DIODE
VLGATE = 2.5V
-
4
-
Forward Voltage
VDDP = 5V, Forward Bias Current = 10mA
0.58 0.68 0.76
POWER GOOD MONITOR
PGOOD Sense Current
2.43
-
-
PGOOD pull down MOSFET r_DS(ON) (See Figure 10)
Undervoltage Threshold (Vsen/Vref) VSEN Rising
56
63
82
-
85.0
-
Undervoltage Threshold (Vsen/Vref) VSEN Falling
-
84.0
-
PGOOD Low Output Voltage
LOGIC THRESHOLD
IPGOOD = 4mA
-
0.26
0.4
EN, DSEN#, DRSEN Low
-
-
1
EN, DSEN#, DRSEN High
2
-
-
PROTECTION
Overvoltage Threshold (Vsen/Vref) VSEN Rising
-
112.0
-
Delay Time
Delay Time from LGATE Falling to VDDP = 5V, BOOT to PHASE = 5V, UGATE - PHASE = 2.5V,
UGATE Rising
LGATE = 2.5V
10
18
30
Delay Time from UGATE Falling to VDDP = 5V, BOOT to PHASE = 5V, UGATE - PHASE = 2.5V,
LGATE Rising
LGATE = 2.5V
10
18
30
UNITS
Ω
A
Ω
A
Ω
A
V
mA
Ω
%
%
V
V
V
%
ns
ns
4
FN9107.3
June 30, 2005