ISL6443AIRZ Intersil, ISL6443AIRZ Datasheet - Page 6

• Manufacturer Part Number: ISL6443AIRZ
• Description: IC CTRLR SGL/STEP DOWN PWM 28QFN
• Manufacturer: Intersil

Specifications of ISL6443AIRZ

• Applications: Power Supplies
• Current - Supply: 2mA
• Voltage - Supply: 5.6 V ~ 24 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-QFN
• Rohs Compliant: YES
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Specifications
SYNC Input Minimum Pulse Width (Note 7)
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 7)
Gain-Bandwidth Product (Note 7)
Slew Rate (Note 7)
PWM CONTROLLER GATE DRIVERS (Note 7)
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 8)
Overcurrent Threshold (Note 8)
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
otherwise specified. Temperature limits established by characterization and are not production tested.
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
R
FB
FB
OUT
OUT
OUT
OCSET
A
= +25°C. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless
= 0.8V, I = 21mA
= 1000pF, T
= 1000pF
= 1000pF
TEST CONDITIONS
= 110kΩ
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 7),
MAX
±1.0
150
150
120
0.8
0.5
95
80
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
UNITS
June 2, 2008
MHz
V/µs
mA
mA
A/V
nA
dB
nA
µA
µA
µA
ns
ns
ns
%
%
%
Ω
Ω
Ω
Ω
%
%
%
FN6600.2
V
V
V
V
V
V
V