YB1300 Просмотр технического описания (PDF) - YOBON TECHNOLOGIES,INC.
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YB1300 Datasheet PDF : 8 Pages
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YB1300
Regulated Charge Pump 5V 100mA
Description
The YB1300 is a switched capacitor DC/DC
step up converter that produces a regulated
5V output. The input voltage range is from
2.7V to 5.0V that makes the YB1300 ideally
for a single cell Li-Ion battery source.
The YB1300 works well for step-up applica-
tions without the need for an inductor. The
1MHz switching frequency allows the use
of small SMD capacitors. The YB1300
provides thermal protection, short-circuit
current limit protection. In order to prevent
in-rush current effectively, it provides
automatic soft-start. The quiescent current
is 30µA without load and its shutdown
current is less than 0.1µA. The YB1300 is
available in a 6-pin SOT23 package.
Features
Switched-Capacitor Step-Up
Operation
Input Range : 2.7V to 5.0V
Output Voltage : 5V
Output Current : 2.7V≦VIN＜3.2V,
IOUT≦30mA
Output Current :3.2V≦VIN＜5V,
IOUT≦100mA
Shutdown Mode
Low Quiescent Current : ~30µA
1MHz Internal Oscillator
Thermal Protection Shutdown
Output Short-circuit Current Limit
Protection
Automatic Soft-Start Reduces
In-Rush Current
SOT23-6 Package
Typical Application Circuit
Applications
Cellular Phones
White LED Drivers
Smart Card Reader
PCMCIA Cards
Li-Ion Battery Backup Supplies
1-Cell
Li-Ion-Battery
CIN
2.2uF
5
VIN
YB1300
VOUT
1
3 EN
CP 6
2 GND
CN 4
R
R
R
R
R
CPUMP
0.22uF
COUT
2.2uF
Figure 1. Typical application circuit
YB1300 MRev.1.2
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