ISL6535 INTERSIL [Intersil Corporation], ISL6535 Datasheet - Page 5

• Manufacturer Part Number: ISL6535
• Description: Synchronous Buck Pulse-Width Modulator PWM Controller
• Manufacturer: INTERSIL [Intersil Corporation]

Electrical Specifications
Typical Performance Curves
Soft-start Current
REFERENCE
Reference Voltage
System Accuracy
REFIN Current Source (QFN Only)
REFIN Threshold (QFN Only)
REFIN Offset (QFN Only)
GATE DRIVERS
Upper Drive Source Current
Upper Drive Source Impedance
Upper Drive Sink Current
Upper Drive Sink Impedance
Lower Drive Source Current
Lower Drive Source Impedance
Lower Drive Sink Current
Lower Drive Sink Impedance
SSDONE (QFN ONLY)
SSDONE Low Output Voltage
1000
100
10
FIGURE 1. R
10k
PARAMETER
R
RT
SWITCHING FREQUENCY (Hz)
RT
TO +12V
RESISTANCE vs FREQUENCY
PULL-UP
R
RT
5
TO GND
PULLDOWN
Recommended Operating Conditions, unless otherwise noted specifications in bold are valid for process,
temperature, and line operating conditions. (Continued)
100k
R
R
I
I
U_SOURCE
L_SOURCE
SYMBOL
U_SOURCE
L_SOURCE
R
R
I
I
U_SINK
L_SINK
U_SINK
L_SINK
I
SS
T
T
T
T
V
90mA Source Current
V
90mA Source Current
V
90mA Source Current
V
90mA Source Current
I
SSDONE
J
J
J
J
BOOT
BOOT
PVCC
PVCC
= 0°C to +70°C
= -40°C to +85°C
= 0°C to +70°C
= -40°C to +85°C
1M
= 12V, 3nF Load (Note 3)
= 12V, 3nF Load (Note 3)
- V
- V
= 2mA
ISL6535
PHASE
PHASE
TEST CONDITIONS
= 12V, 3nF Load (Note 3)
= 12V, 3nF Load (Note 3)
FIGURE 2. BIAS SUPPLY CURRENT vs FREQUENCY
80
70
60
50
40
30
20
10
0
100
200
C
GATE
300
SWITCHING FREQUENCY (kHz)
= 3300pF
0.591
0.588
400
MIN
2.10
-1.0
-1.5
22
-4
-3
-
-
-
-
-
-
-
-
-
500
0.597
0.597
TYP
1.25
0.94
2.0
1.3
1.3
600
30
-6
2
2
3
-
-
-
-
-
C
C
GATE
GATE
700
= 10pF
0.603
0.606
MAX
= 1000pF
3.50
0.30
1.0
1.5
38
-8
3
-
-
-
-
-
-
-
-
800
900
May 5, 2008
UNITS
mV
FN9255.1
µA
µA
%
%
Ω
Ω
Ω
Ω
V
V
V
A
A
A
A
V
1000