ISL6443IRZ Intersil, ISL6443IRZ Datasheet - Page 6

• Manufacturer Part Number: ISL6443IRZ
• Description: IC CTRLR SGL/STEP DOWN PWM 28QFN
• Manufacturer: Intersil

Specifications of ISL6443IRZ

• Applications: Power Supplies
• Current - Supply: 50µA
• Voltage - Supply: 5.6 V ~ 24 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 28-QFN
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

Electrical Specifications
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)
Maximum Output Voltage (Note 7)
Minimum Output Voltage (Note 7)
PWM CONTROLLER GATE DRIVERS (Note 8)
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 (Note 7)
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 9)
Overcurrent Threshold (Note 9)
OCSET (Current Limit) Voltage
SOFT-START
Soft-Start Current
PARAMETER
6
Recommended operating conditions unless otherwise noted. Refer to Block Diagram and Typical Application
Schematic. V
Typical values are at T
IN
= 5.6V to 24V, or VCC_5V = 5V ±10%, T
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
ISL6443
A
= 25°C
A
= -40°C to 85°C (Note 2),
MIN
105
5.9
0.9
93
80
50
80
70
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
TYP
1.75
400
45-
0.8
2.0
3.2
1.8
0.8
0.1
88
18
18
75
75
32
64
4
8
8
2
5
-
-
-
-
-
-
-
-
-
MAX
±1.0
150
150
120
3.6
0.5
95
80
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
August 9, 2006
UNITS
MHz
V/μs
mA
mA
A/V
nA
dB
nA
μA
μA
μA
μA
ns
ns
%
%
%
%
%
%
FN9044.2
V
V
V
V
V
V