ISL6528CBZ-T Intersil, ISL6528CBZ-T Datasheet - Page 4

• Manufacturer Part Number: ISL6528CBZ-T
• Description: IC CTRLR PWM BUCK DUAL 8-SOIC
• Manufacturer: Intersil

Specifications of ISL6528CBZ-T

• Pwm Type: Voltage Mode
• Number Of Outputs: 2
• Frequency - Max: 650kHz
• 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: 650kHz
• Peak Reflow Compatible (260 C): Yes
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: ISL6528CBZ-TTR

Absolute Maximum Ratings
UGATE, BOOT. . . . . . . . . . . . . . . . . . . . . . . . . . GND -0.3V to +10V
VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . GND -0.3V to +7V
FB, DRIVE2, FB2, COMP, . . . . . . . . . . . GND -0.3V to VCC +0.3V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Class 2
Operating Conditions
Supply Voltage on VCC . . . . . . . . . . . . . . . . . . . . . . . . . . +5V ±10%
Supply Voltage to drain of upper MOSFET . . . . . . . . . +3.3V ±10%
Ambient Temperature Range . . . . . . . . . . . . . . . . . . . . . 0°C to 70°C
Junction Temperature Range. . . . . . . . . . . . . . . . . . . . 0°C to 125°C
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:
Electrical Specifications
VCC SUPPLY CURRENT
Nominal Supply Current
POWER-ON RESET
Rising VCC Threshold
Falling VCC Threshold
OSCILLATOR AND SOFT-START
Free Running Frequency
Ramp Amplitude
Soft-Start Interval
REFERENCE VOLTAGE
Reference Voltage
System Accuracy
PWM CONTROLLER ERROR AMPLIFIER
DC Gain
Gain-Bandwidth Product
Slew Rate
Undervoltage Level (V
PWM CONTROLLER GATE DRIVER
UGATE Source Impedance
UGATE Sink Impedance
LINEAR REGULATOR ERROR AMPLIFIER
Output Drive Current
Overvoltage Level (V
Undervoltage Level (V
1. θ
JA
is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
PARAMETER
FB2
FB
FB2
/V
/V
/V
REF
REF
REF
)
)
)
4
Recommended Operating Conditions, Unless Otherwise Noted. Refer to Block and Simplified Power System
Diagrams, and Typical Application Schematic
SYMBOL
R
R
∆V
GBWP
F
V
UGATE
UGATE
V
V
V
T
I
OSC
SR
CC
REF
OSC
SS
UV
OV
UV
UGATE and DRIVE2 Open
VCC = 5V, V
V
VCC > 4.5V
UGATE-PHASE
ISL6528
UGATE
TEST CONDITIONS
Thermal Information
Thermal Resistance (Typical, Note 1)
Maximum Junction Temperature (Plastic Package) . . . . . . . 150°C
Maximum Storage Temperature Range . . . . . . . . . . -65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300°C
= 2.5V
(SOIC - Lead Tips Only)
SOIC Package . . . . . . . . . . . . . . . . . . . . . . . . . . . .
= 2.5V
48.13
150.0
48.13
-2.00
4.25
3.75
3.10
.784
MIN
550
100
2
-
-
-
-
-
-
0.800
160.0
TYP
3.42
52.5
2.75
52.5
120
600
3.7
4.4
3.8
1.5
3.0
80
15
6
-
+2.00
56.88
175.0
56.88
MAX
4.50
4.00
3.75
.816
650
6.5
5.0
5.0
-
-
-
-
-
θ
March 9, 2006
JA
UNITS
V
MHz
V/µs
110
kHz
FN9038.4
mA
mA
(°C/W)
ms
dB
P-P
%
%
%
%
V
V
V
Ω
Ω