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PDF UC2306 Data sheet ( Hoja de datos )
| Número de pieza | UC2306 | |
| Descripción | MICROPOWER DC/DC CONVERTERS | |
| Fabricantes | Unisonic Technologies | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de UC2306 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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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
www.unisonic.com.tw
Copyright © 2013 Unisonic Technologies Co., Ltd
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UC2306
TYPICAL APPLICATION
LINEAR INTEGRATED CIRCUIT
IQ ≈ 10μA
+
2 CELLS
100 μF
Super Burst Low IQ DC/DC Converter
33 μ H
200K
47K
2N3906
V IN
LBO
SW
LBI
UC2306
FB ILIM
SHDN
GND
47K
MBRS130L
0.01μF
3.83M
(1%metal film)
5V
100mA
1.21M
(1%metal film)
+
220 μ F
22K
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
5 of 12
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UC2306
TYPICAL CHARACTERISTICS(Cont.)
Switch Saturation Voltage
500
TA =25°C
400
300
200
100
0
0 0.2 0.4 0.6 0.8 1.0 1.2
Switch Current (A)
On-and Off-times
8
7 Maximum On-
6 Time
5
4
3
2 Off-Time
1
0-50 -25
0 25 50 75 100
Temperature(°C)
20
18
16
14
12
10
8
6
4
2
0-50
Feedback Pin Bias Current
-25 0 25 50
Temperature(°C)
75
100
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
LINEAR INTEGRATED CIRCUIT
Peak Switch Current Limit
1.3
1.2
1.1
1.0
0.9
0.8
0.7
0.6-50 -25
0 25 50 75 100
Temperature(°C)
1.250
1.245
1.240
Feedback Voltage
1.235
1.230
1.225
1.220
1.215
1.210
1.205
1.200-50 -25 0 25 50
Temperature(°C)
75 100
300
TA =25°C
250
Supply Current
200
VSHDN=VN
NOT SWITCHING
150
100
50 VSHDN= 0 V
0
01 2 3 4 5 6 7 8
Input Voltage (V)
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11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet UC2306.PDF ] | |
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