ISL6524 Intersil Corporation, ISL6524 Datasheet - Page 5

• Manufacturer Part Number: ISL6524
• Description: VRM8.5 PWM and Triple Linear Power System Controller
• Manufacturer: Intersil Corporation

Electrical Specifications
NOTE:
Typical Performance Curves
Gain-Bandwidth Product
Slew Rate
PWM CONTROLLERS GATE DRIVERS
UGATE Source
UGATE Sink
LGATE Source
LGATE Sink
PROTECTION
FAULT Sourcing Current
OCSET Current Source
Soft-Start Current
POWER GOOD
VSEN1 Upper Threshold
(VSEN1/DACOUT)
VSEN1 Undervoltage
(VSEN1/DACOUT)
VSEN1 Hysteresis (VSEN1/DACOUT)
PGOOD Voltage Low
VSEN2 Undervoltage
VSEN2 Hysteresis
VTTPG Voltage Low
2. Guaranteed by design
1000
100
10
10
FIGURE 4. R
R
TO +12V
PARAMETER
T
PULLUP
SWITCHING FREQUENCY (kHz)
T
RESISTANCE vs FREQUENCY
5
100
Recommended Operating Conditions, Unless Otherwise Noted. Refer to Figures 1, 2 and 3 (Continued)
R
T
PULLDOWN TO V
SYMBOL
V
R
I
V
R
I
I
GBWP
I
SS13,24
UGATE
OCSET
LGATE
PGOOD
UGATE
VTTPG
LGATE
I
OVP
SR
SS
Note 2
COMP = 10pF, Note 2
VCC = 12V, V
V
VCC = 12V, V
V
V
V
V
VSEN1 Rising
VSEN1 Rising
VSEN1 Falling
I
VSEN2 Rising
VSEN2 Falling
I
1000
PGOOD
VTTPG
GATE-PHASE
LGATE
FAULT/RT
OCSET
SS13,24
ISL6524
= -4mA
= 1V
= -4mA
= 4.5V
= 2.0V
= 2.0V
TEST CONDITIONS
UGATE
LGATE
= 1V
DC
DC
100
80
60
40
20
FIGURE 5. BIAS SUPPLY CURRENT vs FREQUENCY
= 1V
0
= 6V
100
C
VIN = 5V
VCC = 12V
UGATE
200
= C
300
LGATE
SWITCHING FREQUENCY (kHz)
400
= C
500
MIN
170
108
92
-
-
-
-
-
-
-
-
-
-
-
-
600
TYP
1.08
200
1.7
1.4
8.5
15
28
48
6
1
1
2
-
-
-
-
700
MAX
230
110
3.5
3.0
0.8
0.8
800
94
-
-
-
-
-
-
-
-
C = 1500pF
C = 660pF
C = 4800pF
C = 3600pF
900
UNITS
MHz
V/ s
mA
mV
%
%
%
A
A
V
V
V
A
A
1000