ISL6442IA Intersil, ISL6442IA Datasheet - Page 5

• Manufacturer Part Number: ISL6442IA
• Description: IC PWM BUCK VM 24QSOP
• Manufacturer: Intersil

Specifications of ISL6442IA

• Pwm Type: Voltage Mode
• Number Of Outputs: 3
• Frequency - Max: 2.85MHz
• Duty Cycle: 100%
• Voltage - Supply: 4.5 V ~ 24 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: -40°C ~ 85°C
• Package / Case: 24-QSOP
• Frequency-max: 2.85MHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Electrical Specifications
PWM CONVERTERS
Minimum UGATE on Time
Maximum Duty Cycle
Maximum Duty Cycle
FB
OSCILLATOR
Low End Frequency
High End Frequency
Frequency Adjustment Range
PWM Sawtooth Ramp Amplitude
(Peak-to-Peak)
PWM CONTROLLER GATE DRIVERS
Gate Drive Peak Current
Rise Time
Fall Time
Dead Time Between Drivers
ERROR AMPLIFIERS
DC Gain
Gain-Bandwidth Product
Slew Rate
Maximum Output Voltage
PROTECTION and OUTPUT MONITOR
Overvoltage Threshold
Undervoltage Threshold
OCSET Current Source
LINEAR CONTROLLER
Drive Sink Current
LCFB Feedback Threshold
LCFB Input Leakage Current
PGOOD
Power-Good Lower Threshold
Power-Good Higher Threshold
x
Pin Bias Current
PARAMETER
5
Operating Conditions Unless Otherwise Noted: VIN = 12V, or V
values are at +25°C. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise
specified. Temperature limits established by characterization and are not production tested. (Continued)
t
DC
DC
I
F
F
F
V
Gain
GBWP
SR
V
OV
UV
I
I
V
I
PG_low
PG_hi
UGATE_min
FBx
OCSET
LCDR
LCFB
SYMBOL
SW
SW
SW
P-P
EA_max
LCFB
max
max
x
x
(Note 3)
VIN = 4.5 or 12V; F
VIN = 4.5V; F
(Note 3)
VIN = 5V or 12V; RT = 52.3kΩ
VIN = 24V; RT = 52.3kΩ
VIN = 5V; RT = 5.23kΩ
VIN = 12V; RT = 5.23kΩ
RT = 52.3kΩ; (Note 3)
RT = 5.23kΩ; (Note 3)
(Note 4)
(Note 3)
(Note 3); C
(Note 3); C
(Note 3)
(Note 4)
(Note 4)
(Note 4); COMP = 10pF
VCC = 5V; RL = 10kΩ to ground
V
LCDR
T
T
T
(Note 3)
LCFB = VCC, LDO disabled
PGOOD for Ch1 and Ch2 only
LCFB = VCC, LDO disabled
PGOOD for Ch1 and Ch2 only
A
A
A
OCSET
= +25°C
= -40°C to +85°C
= 0°C to +70°C
= 4.5V
L
L
TEST CONDITIONS
= 1000pF
= 1000pF
SW
ISL6442
= 2.5MHz
SW
= 300kHz
0.570
0.580
CC
2.25
2.25
MIN
270
270
113
107
3.9
78
95
80
80
50
88
= 5V ±10%, T
0.595
TYP
2.55
1.25
100
300
305
116
110
110
2.5
0.3
2.5
0.7
4.4
80
20
20
30
88
15
82
80
91
5
A
= -40°C to +85°C. Typical
0.620
0.610
MAX
2.75
2.85
330
340
121
140
113
88
94
October 31, 2008
UNITS
MHz
MHz
MHz
MHz
MHz
V/µs
kHz
kHz
mA
nA
dB
µA
nA
FN9204.2
ns
ns
ns
ns
%
%
%
%
%
%
V
A
V
V
V