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參數(shù)資料
| 型號(hào)： | ISL6269 |
| 廠商： | Intersil Corporation |
| 英文描述： | Single Phase PWM Controller for Mobile Graphical Processing Unit (GPU) |
| 中文描述： | 單相PWM控制器，移動(dòng)圖形處理單元（GPU） |
| 文件頁(yè)數(shù)： | 3/17頁(yè) |
| 文件大小： | 395K |
| 代理商： | ISL6269 |
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3
FN9177.0
June 14, 2005
Absolute Voltage Ratings
ISEN, VIN to GND. . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +28V
VCC, PGOOD to GND . . . . . . . . . . . . . . . . . . . . . . . .-0.3V to +7.0V
PVCC to PGND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3V to +7.0V
GND to PGND. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .-0.3V to +0.3V
EN, FCCM. . . . . . . . . . . . . . . . . . . . . . . . -0.3V to GND, VCC +3.3V
PHASE to GND. . . . . . . . . . . . . . . . . . . . . . . . . . (DC) -0.3V to +28V
. . . . . . . . . . . . . . . . . . . . . . . . . . (<100ns Pulse Width, 10
μ
J) -5.0V
BOOT to GND, or PGND . . . . . . . . . . . . . . . . . . . . . . -0.3V to +33V
BOOT to PHASE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +7V
UG. . . . . . . . . . . . . . . . . . . . . . .(DC) -0.3V to PHASE, BOOT +0.3V
. . . . . . . . . . . . . . . . . . . . . . . . . . (<200ns Pulse Width, 20
μ
J) -4.0V
LG. . . . . . . . . . . . . . . . . . . . . . . .(DC) -0.3V to PGND, PVCC +0.3V
. . . . . . . . . . . . . . . . . . . . . . . . . . . (<100ns Pulse Width, 4
μ
J) -2.0V
ESD Classification . . . . . . . . . . . . . . . . . . . . . .Level 1 (HBM = 2kV)
Thermal Information
Thermal Resistance (Typical, Notes 1, 2)
QFN Package . . . . . . . . . . . . . . . . . . .
Junction Temperature Range . . . . . . . . . . . . . . . . . -55
°
C to +150
°
C
Operating Temperature Range. . . . . . . . . . . . . . . . -10
°
C to +100
°
C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . -65
°
C to +150
°
C
Lead Temperature . . . . . . . . . . . . . . . . . . . . (soldering, 10s)+300
°
C
θ
JA
(°C/W)
43
θ
JC
(°C/W)
11.5
Recommended Operating Conditions
Ambient Temperature Range . . . . . . . . . . . . . . . . . . -10°C to 100°C
Supply Voltage (VIN to GND) . . . . . . . . . . . . . . . . . . . . . . 7V to 25V
CAUTION: Stress 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 section of this specification is not implied.
NOTE:
1.
θ
JA
is measured with the component mounted on a highly effective thermal conductivity test board on free air. See Tech Brief TB379 for details
2. For
θ
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
These specifications apply for V
IN
= 15V, T
A
= (-10°C) to (+100°C), unless otherwise stated.
All typical specifications T
A
= (+25°C)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VIN
VIN Voltage Range
V
IN
I
VIN
I
SHDN
7.0
25.0
V
VIN Input Bias Current
EN and FCCM = 5V, FB = 0.65V, VIN = 7V to 25V
2.2
3.0
mA
VIN Shutdown Current
EN = GND, VIN = 25V
0.1
1.0
μ
A
VCC LDO
VCC Output Voltage Range
V
CC
VIN = 7V to 25V, I
LDO
= 0mA to 80mA
4.75
5.00
5.25
V
VCC POR THRESHOLD
Rising VCC POR Threshold Voltage
V
CCTHR
V
CCTHF
4.35
4.45
4.55
V
Falling VCC POR Threshold Voltage
4.10
4.20
4.30
V
REGULATION
Error Amplifier Reference Voltage
V
REF
V
REG
0.6
V
Voltage Regulation Accuracy
-1
+1
%
PWM
Frequency Range
F
OSC
F
AUDIO
FCCM = 5V
200
600
kHz
FCCM = GND
21
28
kHz
Frequency-Set Accuracy
F
OSC
= 300kHz
-12
+12
%
VO Range
V
VO
I
VO
0.60
3.30
V
VO Input Leakage Current
VO = 0.60V
VO = 3.30V
1.3
7.0
μ
A
μ
A
ERROR AMPLIFIER
FB Input Bias Current
I
FB
FB = 0.60V
± 20
nA
COMP Source Current
I
COMPSRC
I
COMPSNK
V
COMPHC
V
COMPLC
FB = 0.40V, COMP = 3.20V
2.5
mA
COMP Sink Current
FB = 0.80V, COMP = 0.30V
0.3
mA
COMP High Clamp Voltage
FB = 0.40V, Sink 50
μ
A
3.10
3.40
3.65
V
COMP Low Clamp Voltage
FB = 0.80V, Source 50
μ
A
0.09
0.15
0.21
V
ISL6269
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