isl8120 Intersil Corporation, isl8120 Datasheet - Page 14

• Manufacturer Part Number: isl8120
• Description: Dual/n-phase Buck Pwm Controller With Integrated Drivers
• Manufacturer: Intersil Corporation

Absolute Maximum Ratings
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +27V
Driver Bias Voltage, PVCC . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
Signal Bias Voltage, VCC . . . . . . . . . . . . . . . . . . . . . -0.3V to +6.5V
BOOT/UGATE Voltage, V
Phase Voltage, V
BOOT to PHASE Voltage, V
Input, Output or I/O Voltage . . . . . . . . . . . . . . . . -0.3V to VCC +0.3V
Recommended Operating Conditions
Input Voltage, VIN . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.97V to 22V
Driver Bias Voltage, PVCC . . . . . . . . . . . . . . . . . . . . . 2.97V to 5.6V
Signal Bias Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . 2.97V to 5.6V
Boot to Phase Voltage (Overcharged), V
Commercial Ambient Temperature Range. . . . . . . . . . 0°C to +70°C
Industrial Ambient Temperature Range . . . . . . . . . . .-40°C to +85°C
Maximum Junction Temperature Range . . . . . . . . . . . . . . . . +125°C
CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTES:
Electrical Specifications
VCC SUPPLY CURRENT
Nominal Supply VIN Current
Nominal Supply VIN Current
Shutdown Supply PVCC Current
Shutdown Supply VCC Current
INTERNAL LINEAR REGULATOR
Maximum Current (Note 3)
Saturated Equivalent Impedance (Note 3)
PVCC Voltage Level
POWER-ON RESET
Rising VCC Threshold
Falling VCC Threshold
Rising PVCC Threshold
Falling PVCC Threshold
System Soft-start Delay (Note 3)
ENABLE
Turn-On Threshold Voltage
Hysteresis Sink Current
Undervoltage Lockout Hysteresis (Note 3)
1. θ
2. For θ
3. Limits should be considered typical and are not production tested
4. Parts are 100% tested at +25°C. Temperature limits established by characterization and are not production tested.
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features.
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
PARAMETER
PHASE
. . . . . . . . . . V
BOOT
BOOT
. . . . . . . . . . . . . . . . . . -0.3V to +36V
14
- V
Recommended Operating Conditions, Unless Otherwise Noted
PHASE
BOOT
BOOT
. . -0.3V to VCC +0.3V
- 7V to V
- V
SYMBOL
V
I
t
EN_HYS
SS_DLY
I
I
EN_HYS
I
I
PVCC
R
Q_VIN
Q_VIN
PVCC
I
PVCC
PHASE
VCC
LDO
BOOT
. . . . . .<6V
VIN = 20V; VCC = PVCC; No Load;
F
VIN=3.3V;VCC = PVCC; No Load;
F
EN = 0V, PVCC = 5V
EN = 0V, VCC = 3V
PVCC = 4V TO 5.6V
PVCC = 3V TO 4V
P-Channel MOSFET (VIN = 5V)
I
ISL8120CRZ
ISL8120IRZ
After PLL, VCC, and PVCC PORs, and
EN(s) above their thresholds
V
R
+ 0.3V
PVCC
SW
SW
EN_RTH
UP
= 53.6kΩ, R
= 500kHz
= 500kHz
ISL8120
= 0mA to 250mA
TEST CONDITIONS
= 10.6V; V
Thermal Information
Thermal Resistance (Typical Notes 1, 2)
Maximum Junction Temperature . . . . . . . . . . . . . . .-55°C to +150°C
Maximum Storage Temperature Range . . . . . . . . . .-65°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
DOWN
32 Ld QFN Package . . . . . . . . . . . . . .
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
EN_FTH
= 5.23kΩ
= 9V
(Note 4)
0.75
MIN
0.5
5.1
11
25
8
7
TYP
2.85
2.65
2.85
2.85
2.65
250
150
384
5.4
0.8
1.5
15
12
10
30
1
1
θ
32
JA
(°C/W)
(Note 4)
MAX
2.97
2.75
2.97
3.05
2.75
0.86
1.4
5.6
20
14
12
35
March 28, 2008
θ
JC
(°C/W)
FN6641.0
UNITS
Cycles
3.5
mA
mA
mA
mA
mA
mA
µA
Ω
V
V
V
V
V
V
V