ISL6443A Intersil Corporation, ISL6443A Datasheet - Page 6

• Manufacturer Part Number: ISL6443A
• Description: Step-Down PWM and Single Linear Controller
• Manufacturer: Intersil Corporation

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Electrical Specifications
SYNC Input Minimum Pulse Width (Note 6)
SYNC Output HIGH Level
SHUTDOWN1/SHUTDOWN2
HIGH Level (Converter Enabled)
LOW Level (Converter Disabled)
PWM CONVERTERS
Output Voltage
FB Pin Bias Current
Maximum Duty Cycle
Minimum Duty Cycle
PWM CONTROLLER ERROR AMPLIFIERS
DC Gain (Note 6)
Gain-Bandwidth Product (Note 6)
Slew Rate (Note 6)
PWM CONTROLLER GATE DRIVERS (Note 6)
Sink/Source Current
Upper Drive Pull-Up Resistance
Upper Drive Pull-Down Resistance
Lower Drive Pull-Up Resistance
Lower Drive Pull-Down Resistance
Rise Time
Fall Time
LINEAR CONTROLLER
Drive Sink Current
FB3 Feedback Threshold
Undervoltage Threshold
FB3 Input Leakage Current
Amplifier Transconductance
POWER GOOD AND CONTROL FUNCTIONS
PGOOD LOW Level Voltage
PGOOD Leakage Current
PGOOD Upper Threshold, PWM 1 and 2
PGOOD Lower Threshold, PWM 1 and 2
PGOOD for Linear Controller
ISEN AND CURRENT LIMIT
Full Scale Input Current (Note 7)
Overcurrent Threshold (Note 7)
OCSET (Current Limit) Voltage
PARAMETER
6
Recommended operating conditions unless otherwise noted. Refer to “Block Diagram” on page 3 and “Typical
Application Schematic” on page 4. V
Typical values are at T
Internal Pull-up (3μA)
C
VCC_5V = 4.5V
VCC_5V = 4.5V
VCC_5V = 4.5V
VCC_5V = 4.5V
C
C
I = 21mA
V
V
Pull-up = 100kΩ
Fraction of set point
Fraction of set point
ROCSET = 110kΩ
FB
FB
OUT
OUT
OUT
A
= +25°C. (Continued)
= 0.8V, I = 21mA
= 1000pF, T
= 1000pF
= 1000pF
TEST CONDITIONS
ISL6443A
IN
A
= 5.6V to 24V, or VCC_5V = 5V ±10%, T
= +25°C
V
CC
MIN
105
2.0
93
50
80
70
- 0.6V
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TYP
15.0
400
0.8
2.0
3.2
1.8
0.8
0.1
1.7
88
15
18
18
75
45
75
32
64
4
8
8
2
-
-
-
-
-
-
-
-
-
A
= -40°C to +85°C (Note 6),
MAX
±1.0
150
150
120
0.8
0.5
95
80
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
December 7, 2007
UNITS
MHz
V/μs
mA
mA
A/V
nA
dB
nA
μA
μA
μA
ns
ns
ns
%
%
%
Ω
Ω
Ω
Ω
%
%
%
FN6600.1
V
V
V
V
V
V
V