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ILC6383CIR33X Fiches technique(PDF) 2 Page - Fairchild Semiconductor

No de pièce ILC6383CIR33X
Description  1-Cell to 3-Cell Boost DC-DC Converter with True Load Disconnect, 3.3V, 5V or Adjustable Output
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Fabricant  FAIRCHILD [Fairchild Semiconductor]
Site Internet  http://www.fairchildsemi.com
Logo FAIRCHILD - Fairchild Semiconductor

ILC6383CIR33X Fiches technique(HTML) 2 Page - Fairchild Semiconductor

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ILC6383
PRODUCT SPECIFICATION
2
REV. 1.2.6 6/13/02
Pin Assignments
Pin Definitions
Absolute Maximum Ratings (Note 1)
Pin Number
Pin Number
Pin Description
1LX
Inductor input. Inductor L connected between this pin and the battery
2VIN
Input Voltage. Connect directly to battery
3
LBI/SD
Low battery detect input and shutdown. Low battery detect threshold is
set with this pin using a potential divider. If this pin is pulled to logic low
then the device will shutdown.
4
SEL
Select Input. A low logic level signal applied to this pin selects PFM
operation mode. If the pin is left open or high logic level is applied, PWM
mode is selected.
5
POK
(ILC6383CIR-XX)
Power Good Output. This open drain output pin will go high when output
voltage is within regulation, 0.92*VOUT(NOM) < Vthreshold < 0.98*VOUT(NOM)
VFB
(ILC6383CIR-ADJ)
Feedback Input. This pin sets the adjustable output voltage via an
external resistor divider network. The formula for choosing the resistors is
shown in the “Applications Information” section.
6
LBO
This open drain output will go low if the battery voltage is below the low
battery threshold set at pin 3
7
GND
Ground of the IC. Connect this pin to the battery and system ground
8VOUT
Regulated output voltage.
Parameter
Symbol
Ratings
Units
Voltage on VOUT pin
VOUT
-0.3 to 7
V
Voltage on LBI, Sync, LBO, POK, VFB, LX and VIN pins
-
-0.3 to 7
V
Peak switch current on LX pin
ILX
1A
Current on LBO pin
ISINK(LBO)
5
mA
Continuous total power dissipation at 85˚C
PD
315
mW
Short circuit current
ISC
Internally protected
(1 sec. duration)
A
Operating ambient temperature
TA
-40 to 85
°C
Maximum junction temperature
TJ(MAX)
150
°C
Storage temperature
Tstg
-40 to 125
°C
Lead temperature (soldering 10 sec.)
300
°C
Package thermal resistance
θJA
206
°C/W
MSOP
(TOP VIEW)
ILC6383CIR-XX
SEL
LB/SD
VIN
LX
1
2
3
4
5
6
7
8 VOUT
GND
LBO
POK
SEL
LB/SD
1
2
3
4
5
6
7
8
GND
LBO
VFB
MSOP
(TOP VIEW)
ILC6383CIR-ADJ
LX
VIN
VOUT


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