參數(shù)資料
型號： ISL6530CR-T
廠商： INTERSIL CORP
元件分類： 穩(wěn)壓器
英文描述： Dual 5V Synchronous Buck Pulse-Width Modulator (PWM) Controller for DDRAM Memory VDDQ and VTT Termination
中文描述： DUAL SWITCHING CONTROLLER, 325 kHz SWITCHING FREQ-MAX, PQCC32
封裝： 5 X 5 MM, PLASTIC, MO-220-VHHD, MLFP-32
文件頁數(shù)： 5/17頁
文件大?。?/td> 540K
代理商： ISL6530CR-T
5
FN9052.2
November 15, 2004
Absolute Maximum Ratings
Thermal Information
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +7.0V
Boot Voltage, V
BOOTn
- V
PHASEn
. . . . . . . . . . . . . . . . . . . . . . +7.0V
Input, Output or I/O Voltage. . . . . . . . . . . .GND -0.3V to V
CC
+0.3V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Class 2
Operating Conditions
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . +5V
±
10%
Ambient Temperature Range. . . . . . . . . . . . . . . . . . . . . 0
o
C to 70
o
C
Junction Temperature Range. . . . . . . . . . . . . . . . . . . . 0
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)
65
33
θ
JC
(
o
C/W)
N/A
4
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 with Vcc = 5V, Unless Otherwise Noted
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
VCC SUPPLY CURRENT
Nominal Supply
I
CC
OCSET/SD = V
CC
;
UGATE1, UGATE2, LGATE1, and LGATE2
Open
-
5
-
mA
Shutdown Supply
OCSET/SD = 0V
-
3
-
mA
POWER-ON RESET
Rising V
CC
Threshold
Falling V
CC
Threshold
OSCILLATOR
V
OCSET/SD
= 4.5V
V
OCSET/SD
= 4.5V
4.25
-
4.5
V
3.75
-
4.0
V
Free Running Frequency
V
CC
= 5
275
300
325
kHz
REFERENCES
Reference Voltage
(V2 Error Amp Reference)
V
VREF
SENSE1 = 2.5V
49.5
50
50.5
%SENSE1
V1 Error Amp Reference Voltage
Tolerance
-
-
2
%
V1 Error Amp Reference
V
REF
V
CC
= 5
-
0.8
-
V
ERROR AMPLIFIERS
DC Gain
-
82
-
dB
Gain-Bandwidth Product
GBW
-
15
-
MHz
Slew Rate
SR
COMP = 10pF
-
6
-
V/
μ
s
WINDOW REGULATOR
Load Current
-
±10
-
mA
Output Voltage Error
V2_SD = VCC; ±10mA load on V2
-
±7
%
GATE DRIVERS
Upper Gate Source (UGATE1 and 2)
I
UGATE
I
UGATE
I
LGATE
I
LGATE
V
CC
= 5V, V
UGATE
= 2.5V
V
UGATE-PHASE
= 2.5V
V
CC
= 5V, V
LGATE
= 2.5V
V
LGATE
= 2.5V
-
-1
-
A
Upper Gate Sink (UGATE1 and 2)
-
1
-
A
Lower Gate Source (LGATE1 and 2)
-
-1
-
A
Lower Gate Sink (LGATE1 and 2)
-
2
-
A
PROTECTION
OCSET/SD Current Source
I
OCSET
V
RESET
V
OCSET
= 4.5VDC
34
40
46
μ
A
OCSET/SD Disable Voltage
-
0.8
-
V
ISL6530
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