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UC2306 PDF 데이터시트 : 부품 기능 및 핀배열

부품번호 UC2306
기능 MICROPOWER DC/DC CONVERTERS
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UC2306 데이터시트, 핀배열, 회로
UNISONIC TECHNOLOGIES CO., LTD
UC2306
LINEAR INTEGRATED CIRCUIT
MICROPOWER DC/DC
CONVERTERS WITH
LOW-BATTERY DETECTOR
ACTIVE IN SHUTDOWN
DIP-8
DESCRIPTION
The UTC UC2306 is a step-up DC/DC converter which
operate from a wide input supply range of 1.5V to 8V. Its
peak switch current can be reduced by adding a single
resistor at the ILIM pin. It is an ideal for use in small, low
voltage, battery-operated systems.
FEATURES
*In shutdown mode:10μA quiescent current.
*Low battery detector active
*Minimum Operating Voltage: 1.5V
*Very Low VCESAT: 370mV@1A (typ).
*In active mode :120μA quiescent current.
*Only by one resistor: peak current is programmable.
ORDERING INFORMATION
Ordering Number
Lead Free
Halogen Free
UC2306L-xx-D08-T
UC2306G-xx-D08-T
UC2306L-xx-S08-T
UC2306G-xx-S08-T
UC2306L-xx-S08-R
UC2306G-xx-S08-R
SOP-8
Package
DIP-8
SOP-8
SOP-8
Packing
Tube
Tube
Tape Reel
UC2306L-xx-D08-T
(1)Packing Type
(2)Package Type
(3)Voltage Code
(4)Lead Plating
(1) T: Tube, R: Tape Reel
(2) D08: DIP-8, S08: SOP-8
(3) xx: refer to Output Voltage Code
(4) L: Lead Free, G: Halogen Free
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Copyright © 2013 Unisonic Technologies Co., Ltd
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UC2306 pdf, 반도체, 판매, 대치품
UC2306
LINEAR INTEGRATED CIRCUIT
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATING
UNIT
Input Voltage
SW Voltage
VIN 8 V
VSW
-0.4 ~ +25
V
FB Voltage(UC2306)
ILIM Voltage(UC2306-3.3/UC2306-5.0)
VFB
VILIM
VIN+0.3
5
V
V
SHDN Voltage
LBI Voltage
VSHDN
VLBI
6
VIN
V
V
LBO Voltage
Maximum Power Dissipation
VLBO
PD
8V
500 mW
Junction Temperature
Operating Temperature
TJ
TOPR
125
-20 ~ +85
C
C
Storage Temperature
TSTG
-65 ~ +150
C
Note: Absolute maximum ratings are those values beyond which the device could be permanently damaged.
Absolute maximum ratings are stress ratings only and functional device operation is not implied.
ELECTRICAL CHARACTERISTICS (VIN=2V, VSHDN=2V, unless otherwise specified)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Minimum Operating Voltage
Operating Voltage
Quiescent Current
Quiescent Current In Shutdown
VCC(MIN)
VIN
IQ
ISD
V SHDN =2V, Not switching(Note)
V SHDN =0V, VIN=2V(Note)
V SHDN =0V, VIN=5V(Note)
Comparator Trip Point
(Note)
1.22
FB Pin Bias Current
Sense Pin Leakage in Shutdown
IFB
ILEAK(SD)
(Note)
V SHDN =0V, Fixed Output
Versions(Note)
Line Regulation
VOUT 1.8VVIN8V (Note)
LBI Input Threshold
LBI Bias Current
VLBI(THR) Falling Edge(Note)
ILBI (BIAS) (Note)
1.10
LBI Input Hysteresis
LBO Output Voltage Low
LBO Output Leakage Current
ILBI (HYS)
VLBO(OL)
ILBO(LEAK)
(Note)
ISINK=500µA(Note)
LBI=1.5V, LBO=5V(Note)
SHDN Input Voltage
High
Low
V SHDN
(Note)
(Note)
1.4
SHDN Pin Bias Current
I SHDN
V SHDN =5V(Note)
V SHDN =0V(Note)
-5
Switching Off Time
tOFF (Note)
1
Switch On Time
Maximum Duty Cycle
tON
tDUTY
Current Limit Not Asserted (Note)
Current Limit Not Asserted (Note)
4
76
Peak Switch Current
I (SW)
ILIM Pin Open, VIN=5V
20K from ILIM to GND
0.8
Switch Saturation Voltage
VSW(SAT)
Isw=1A
Isw=700mA(Note)
Switch Leakage
ILEAK(SW) Switch off, Vsw=5V
Note: Denotes specifications which apply over the 0C to 70C operating temperature range.
TYP
1.5
120
7
27
1.24
10
0.002
0.04
1.17
6
35
0.2
0.01
5
-2
1.5
6
80
1
500
0.37
0.26
0.01
MAX
1.65
8
200
15
50
1.26
25
1
0.15
1.25
20
65
0.4
0.1
0.4
8
2
8
88
1.2
0.35
7
UNIT
V
V
µA
µA
µA
V
nA
µA
%/V
V
nA
mV
V
µA
V
V
µA
µA
µs
µs
%
A
mA
V
V
µA
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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UC2306 전자부품, 판매, 대치품
UC2306
LINEAR INTEGRATED CIRCUIT
TYPICAL APPLICATION(Cont.)
Single Li-lon Cell to 5V Converter with Load Disconnect at VIN2.7V
22μH
5V
SINGLE
LI-ION
CELL
+
100μF
562k
1%
220k
NC
432k
1%
V IN
ILIM
SW
SENSE
LBI UC2306-5.0
SHDN
GND LBO
MBRS130L
+ 100μF
10V
VOUT
VIN1
VINS
EN
VOUT
VIN2
VIN3
GND
NC
NC
+
1 μF
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
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UC2306

MICROPOWER DC/DC CONVERTERS

Unisonic Technologies
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