參數(shù)資料
型號(hào): ISL6439IRZ
廠(chǎng)商: INTERSIL CORP
元件分類(lèi): 穩(wěn)壓器
英文描述: Single Sync Buck PWM Controller for Broadband Gateway Applications
中文描述: SWITCHING CONTROLLER, 340 kHz SWITCHING FREQ-MAX, PQCC16
封裝: 5 X 5 MM, LEAD FREE, PLASTIC, MO-220VHHB, MLFP-16
文件頁(yè)數(shù): 5/15頁(yè)
文件大?。?/td> 379K
代理商: ISL6439IRZ
5
Absolute Maximum Ratings
Thermal Information
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .+7V
Absolute Boot Voltage, V
BOOT
. . . . . . . . . . . . . . . . . . . . . . . +15.0V
Upper Driver Supply Voltage, V
BOOT
- V
PHASE
. . . . . . . . . . . +6.0V
Input, Output or I/O Voltage. . . . . . . . . . . GND -0.3V to VCC +0.3V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Class 2
Operating Conditions
Supply Voltage, VCC . . . . . . . . . . . . . . . . . . . . . . . . . . . +3.3V ±10%
Ambient Temperature Range. . . . . . . . . . . . . . . . . . . -40
o
C to 85
o
C
Junction Temperature Range. . . . . . . . . . . . . . . . . . -40
o
C to 125
o
C
Thermal Resistance
SOIC Package (Note 1) . . . . . . . . . . . .
QFN Package (Note 2). . . . . . . . . . . . .
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . 150
o
C
Maximum Storage Temperature Range. . . . . . . . . . -65
o
C to 150
o
C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300
o
C
(SOIC - Lead Tips Only)
For Recommended soldering conditions see Tech Brief TB389.
θ
JA
(
o
C/W)
67
35
θ
JC
(
o
C/W)
N/A
5
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:
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.
2.
θ
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features.
θ
JC,
the
“case temp” is measured at the center of the exposed metal pad on the package underside. See Tech Brief TB379.
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Noted V
CC
= 3.3V±5% and T
A
= 25°C
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VCC SUPPLY CURRENT
Nominal Supply
I
BIAS
6.1
6.9
7.7
mA
POWER-ON RESET
Rising CPVOUT POR Threshold
POR
Commercial
4.25
4.30
4.42
V
Industrial
4.10
4.30
4.50
V
CPVOUT POR Threshold Hysteresis
0.3
0.6
0.9
V
OSCILLATOR
Frequency
f
OSC
IC = ISL6439C, Commercial
275
300
325
kHz
IC = ISL6439I, Industrial
250
300
340
kHz
IC = ISL6439AC, Commercial
575
600
625
kHz
IC = ISL6439AI, Industrial
550
600
640
kHz
Ramp Amplitude
V
OSC
-
1.5
-
V
P-P
REFERENCE
Reference Voltage Tolerance
-
-
1.5
%
Nominal Reference Voltage
V
REF
-
0.800
-
V
Charge Pump
Nominal Charge Pump Output
V
CPVOUT
V
VCC
= 3.3V, No Load
-
5.1
-
V
Charge Pump Output Regulation
-
2
-
%
ERROR AMPLIFIER
DC Gain
Guaranteed by Design
-
88
-
dB
Gain-Bandwidth Product
GBWP
-
15
-
MHz
Slew Rate
SR
-
6
-
V/
μ
s
SOFT START
Soft Start Slew Rate
Commercial
6.2
7.3
ms
Industrial
6.2
7.6
ms
ISL6439
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