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6269BIRZ Просмотр технического описания (PDF) - Intersil

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6269BIRZ High-Performance Notebook PWM Controller with Audio-Frequency Clamp Intersil
Intersil Intersil
6269BIRZ Datasheet PDF : 14 Pages
1 2 3 4 5 6 7 8 9 10 Next Last
ISL6269B
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
VO, FB, COMP, FSET . . . . . . . . . . . . . . . -0.3V to GND, VCC +0.3V
PHASE to GND (DC) . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3V to +28V
(<100ns Pulse Width, 10μJ) . . . . . . . . . . . . . . . . . . . . . . . . . -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, 20μJ) . . . . . . . . . . . . . . . . . . . . . . . . -4.0V
LG (DC) . . . . . . . . . . . . . . . . . . . . . . . .-0.3V to PGND, PVCC +0.3V
(<100ns Pulse Width, 4μJ) . . . . . . . . . . . . . . . . . . . . . . . . . . -2.0V
Thermal Information
Thermal Resistance (Typical, Notes 1, 2) θJA (°C/W) θJC (°C/W)
QFN Package. . . . . . . . . . . . . . . . . . . .
48
11.5
Junction Temperature Range. . . . . . . . . . . . . . . . . .-55°C to +150°C
Operating Temperature Range . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ISL6269BCRZ . . . . . . . . . . . . . . . . . . . . . . . . . . .-10°C to +100°C
ISL6269BIRZ . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +100°C
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-free reflow profile . . . . . . . . . . . . . . . . . . . . . . . . . .see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Recommended Operating Conditions
Ambient Temperature Range. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ISL6269BCRZ . . . . . . . . . . . . . . . . . . . . . . . . . . .-10°C to +100°C
ISL6269BIRZ . . . . . . . . . . . . . . . . . . . . . . . . . . . .-40°C to +100°C
Supply Voltage (VIN to GND) . . . . . . . . . . . . . . . . . . . . . . 5V to 25V
VCC to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5V ±5%
PVCC to PGND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5V ±5%
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.
NOTES:
1. θJA is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
2. For θJC, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
PARAMETER
These specifications apply for TA = -40°C to +100°C, unless otherwise stated.
All typical specifications TA = +25°C, VCC = 5V, PVCC = 5V, VIN = 15V
SYMBOL
TEST CONDITIONS
MIN
TYP MAX UNIT
VIN
VIN Input Bias Current
IVIN
EN = 5V, VIN = 5V
EN = 5V, VIN = 25V
-
6.5
10
μA
-
26
35
μA
VIN Shutdown Current
VCC and PVCC
IVIN_SHDN EN = GND, VIN = 25V
-
0.1 1.0 μA
VCC Input Bias Current
VCC Shutdown Current
PVCC Shutdown Current
VCC POR THRESHOLD
IVCC EN = 5V, FCCM = GND, FB = 0.65V
IVCC_SHDN EN = GND, VCC = 5V
IPVCC_SHDN EN = GND, PVCC = 5V
-
1.7 2.5 mA
-
0.1 1.0 μA
-
0.1 1.0 μA
Rising VCC POR Threshold Voltage
Falling VCC POR Threshold Voltage
VVCC_THR TA = -10°C to +100°C
VVCC_THF TA = -10°C to +100°C
4.35 4.45 4.55 V
4.33 4.45 4.55 V
4.10 4.20 4.30 V
4.08 4.20 4.30 V
REGULATION
Reference Voltage
Regulation Accuracy
VREF
FB connected to COMP
-
0.6
-
V
-1
-
+1
%
PWM
Frequency Range
fSW
fAUDIO
FCCM = 5V
FCCM = GND, TA = -10°C to +100°C
FCCM = GND
200
-
600 kHz
19
28
-
kHz
18
28
-
kHz
Frequency-Set Accuracy
VO Range
VO Input Leakage
VVO
IVO
fSW = 300kHz
VO = 0.60V
VO = 3.30V
-12
-
+12
%
0.60
-
3.30
V
-
1.3
-
μA
-
7.0
-
μA
4
FN6280.2
May 30, 2007
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