參數(shù)資料
型號： ISL6522IB-T
廠商： INTERSIL CORP
元件分類： 穩(wěn)壓器
英文描述： Buck and Synchronous Rectifier Pulse-Width Modulator (PWM) Controller
中文描述： SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PDSO14
封裝： PLASTIC, MS-012-AB, SOIC-14
文件頁數(shù)： 3/14頁
文件大?。?/td> 473K
代理商： ISL6522IB-T
3
FN9030.7
March 4, 2005
Absolute Maximum Ratings
Thermal Information
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . +15.0V
Boot Voltage, V
BOOT
- V
PHASE
. . . . . . . . . . . . . . . . . . . . . . +15.0V
Input, Output or I/O Voltage. . . . . . . . . . . .GND -0.3V to V
CC
+0.3V
ESD Classification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Class 2
Recommended Operating Conditions
Supply Voltage, V
CC
. . . . . . . . . . . . . . . . . . . . . . . . . . . +12V
±
10%
Ambient Temperature Range, ISL6522C. . . . . . . . . . . . 0°C to 70°C
Ambient Temperature Range, ISL6522I. . . . . . . . . . . .-40°C to 85°C
Junction Temperature Range, ISL6522C. . . . . . . . . . . 0°C to 125°C
Junction Temperature Range, ISL6522I . . . . . . . . . .-40°C to 125°C
Thermal Resistance (Typical, Note 1)
SOIC Package (Note 1) . . . . . . . . . . . .
TSSOP Package (Note 1) . . . . . . . . . .
QFN Package (Notes 2, 3). . . . . . . . . .
Maximum Junction Temperature . . . . . . . . . . . . . . . . . . . . . . 150°C
Maximum Storage Temperature Range. . . . . . . . . . .-65°C to 150°C
Maximum Lead Temperature (Soldering 10s) . . . . . . . . . . . . 300°C
(SOIC - Lead Tips Only)
θ
JA
(°C/W)
67
95
36
θ
JC
(°C/W)
n/a
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.
NOTES:
1.
θ
JA
is measured with the component mounted on a highs 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. SeeTech
Brief TB379.
3. For
θ
JC
, the "case temp" location is the center of the exposed metal pad on the package underside.
Electrical Specifications
Recommended Operating Conditions, Unless Otherwise Noted
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNITS
V
CC
SUPPLY CURRENT
Nominal Supply
I
CC
EN = V
CC
; UGATE and LGATE Open
-
5
-
mA
Shutdown Supply
EN = 0V
-
50
100
μ
A
POWER-ON RESET
Rising V
CC
Threshold
V
OCSET
= 4.5VDC
-
-
10.4
V
Falling V
CC
Threshold
V
OCSET
= 4.5VDC
8.1
-
-
V
Enable-Input Threshold Voltage
ISL6522C, V
OCSET
= 4.5VDC
0.8
-
2.0
V
ISL6522I, V
OCSET
= 4.5VDC
0.8
-
2.1
V
Rising V
OCSET
Threshold
-
1.27
-
V
OSCILLATOR
Free Running Frequency
ISL6522C, R
T
= OPEN, V
CC
= 12
175
200
230
kHz
ISL6522I, R
T
= OPEN, V
CC
= 12
160
200
230
Total Variation
6k
< R
T
to GND < 200k
-20
-
+20
%
Ramp Amplitude
V
OSC
R
T
= OPEN
-
1.9
-
V
P-P
REFERENCE
Reference Voltage Tolerance
V
REF
Commercial
-1
-
1
%
Industrial
-2
-
+1
%
Reference Voltage
-
0.800
-
V
ERROR AMPLIFIER
DC Gain
-
88
-
dB
Gain-Bandwidth Product
GBW
-
15
-
MHz
Slew Rate
SR
COMP = 10pF
-
6
-
V/
μ
s
GATE DRIVERS
Upper Gate Source
I
UGATE
V
BOOT
- V
PHASE
= 12V, V
UGATE
= 6V
350
500
-
mA
ISL6522
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