ISL6431CB Intersil, ISL6431CB Datasheet - Page 3

• Manufacturer Part Number: ISL6431CB
• Description: IC CNTRLR PWM SYNC BUCK 8-SOIC
• Manufacturer: Intersil

Specifications of ISL6431CB

• Pwm Type: Voltage Mode
• Number Of Outputs: 1
• Frequency - Max: 340kHz
• Duty Cycle: 100%
• Voltage - Supply: 4.5 V ~ 5.5 V
• Buck: Yes
• Boost: No
• Flyback: No
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: No
• Operating Temperature: 0°C ~ 70°C
• Package / Case: 8-SOIC (3.9mm Width)
• Frequency-max: 340kHz
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

Electrical Specifications
Absolute Maximum Ratings
Supply Voltage, V
Absolute Boot Voltage, V
Upper Driver Supply Voltage, V
Input, Output or I/O Voltage . . . . . . . . . . . GND -0.3V to VCC +0.3V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class 2
Operating Conditions
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±10%
Ambient Temperature Range . . . . . . . . . . . . . . . . . . . -40
Junction Temperature Range. . . . . . . . . . . . . . . . . . -40
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTE:
VCC SUPPLY CURRENT
Nominal Supply
POWER-ON RESET
Rising VCC POR Threshold
VCC POR Threshold
Hysteresis
OSCILLATOR
Frequency
Ramp Amplitude
REFERENCE
Reference Voltage Tolerance
Nominal Reference Voltage
ERROR AMPLIFIER
DC Gain
Gain-Bandwidth Product
Slew Rate
GATE DRIVERS
Upper Gate Source Current
Upper Gate Sink Current
Lower Gate Source Current
1.
JA
is measured with the component mounted on a low effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
PARAMETER
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +6.0V
BOOT
BOOT
. . . . . . . . . . . . . . . . . . . . . . . +15.0V
3
I
I
I
UGATE-SNK
UGATE-SRC
LGATE-SRC
Recommended Operating Conditions, Unless Otherwise Noted V
SYMBOL
GBWP
- V
V
f
I
POR
V
VCC
OSC
SR
REF
OSC
PHASE
. . . . . . . . . . . +6.0V
ISL6431CB; UGATE and LGATE Open
ISL6431IB; UGATE and LGATE Open
ISL6431CB
ISL6431IB
ISL6431CB
ISL6431IB
ISL6431CB; VCC = 5V
ISL6431IB; VCC = 5V
ISL6431CB
ISL6431IB
ISL6431CB
ISL6431IB
ISL6431CB
ISL6431IB
ISL6431CB
ISL6431IB
ISL6431CB
ISL6431IB
ISL6431CB; COMP = 10pF
ISL6431IB; COMP = 10pF
ISL6431CB; V
ISL6431IB; V
ISL6431CB
ISL6431IB
ISL6431CB; V
ISL6431IB; V
o
C to 125
o
C to 85
BOOT
CC
BOOT
CC
TEST CONDITIONS
o
o
C
C
= 5V, V
ISL6431
= 5V, V
- V
- V
PHASE
PHASE
LGATE
LGATE
Thermal Information
Thermal Resistance (Typical, Note 1)
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . 150
Maximum Storage Temperature Range . . . . . . . . . . -65
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300
= 5V, V
= 5V, V
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(SOIC - Lead Tips Only)
= 4V
= 4V
UGATE
UGATE
= 4V
= 4V
CC
MIN
4.17
0.01
230
2.5
4.5
14
14
= 5.0V 5% and T
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
0.800
0.800
TYP
4.30
4.30
0.20
0.20
300
300
3.2
3.2
1.5
1.5
8.0
8.0
1.0
1.0
1.0
1.0
1.0
1.0
82
82
-
-
-
-
A
= 25
MAX
4.50
0.85
340
3.8
1.5
1.5
9.2
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
o
C
o
C to 150
JA
UNITS
V
V
MHz
MHz
V/ s
V/ s
kHz
kHz
100
mA
mA
(
dB
dB
%
%
P-P
P-P
V
V
V
V
V
V
A
A
A
A
A
A
o
C/W)
o
o
o
C
C
C