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YB1220ST26RB

器件型号:YB1220ST26RB
文件大小:5229.26KB,共10页
厂商名称:Yobon Technologies, INC
厂商官网:http://www.yobon.com.tw/
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器件描述

dual channel 200ma ldo regulator

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Dual Channel 200mA LDO Regulator
Description
The YB1220 family is a dual-channel LDO product
consisting of 2 independent low noise, low dropout
(LDO), linear regulators especially designed for
battery-powered equipment and portable device.
The regulator achieves a low 300 mV dropout at
200mA 3.3V output and good PSRR of near 50dB
at 1K~10KHz frequency.
The YB1220 consumes only 80uA supply current
with both regulators enabled and supports different
output voltages of full range from 1.2 to 3.6V
(pre-set).
The YB1220 is smartly designed to fit in three
different pin allocations of SOT23-6 package which
offers higher flexibility to users’ PCB layout.
Other features of YB1220 include a thermal
shutdown circuit and an output short-circuit
protection.
YB1220
Features
High Accuracy Output Voltage : + 2%
Wide Output Voltage Range : 1.2~3.6V
Each Channel Typical Current : 200mA
Max. Allowable 300mA Each Channel
Low Quiescent Current : ~80uA
Dual Enable Pins Control
300mV Dropout at 200mA 3.3V Output
Stable with 1.0uF Ceramic Capacitor
Thermal Protection Shutdown
Output Short-Circuit Current Limit
Built-In Internal Soft-Start
Green Package (RoHS) Available
Applications
Cellular Phone
White LED Backlighting
PDA, Notebook, PC
Digital Camera
Portable Application
Wireless LAN
Battery-Powered Equipment
Typical Application Circuitry
YB1220 MRev.1.1
www.yobon.com.tw
1
Dual Channel 200mA LDO Regulator
Pin Configuration
YB1220
Pin Description
Table 1
Pin
1
2
3
4
5
6
Pin
1
2
3
4
5
6
Name
EN1
GND
EN2
VO2
VIN
VO1
Name
EN1
VIN
EN2
VO2
GND
VO1
SOT-26M Description
Pull High to Enable Output VO1
Ground Pin
Pull High to Enable Output VO2
Regulated Output Voltage 2
Unregulated Input Supply
Regulated Output Voltage 1
SOT-26T Description
Pull High to Enable Output VO1
Unregulated Input Supply
Pull High to Enable Output VO2
Regulated Output Voltage 2
Ground Pin
Regulated Output Voltage 1
Pin
1
2
3
4
5
6
Name
VO1
GND
EN1
EN2
VIN
VO2
SOT-26R Description
Regulated Output Voltage 1
Ground Pin
Pull High to Enable Output VO1
Pull High to Enable Output VO2
Unregulated Input Supply
Regulated Output Voltage 2
YB1220 MRev.1.1
www.yobon.com.tw
2
Dual Channel 200mA LDO Regulator
Ordering Information
YB1220
Marking Information
Absolute Maximum Ratings
Supply Voltage ................................................ -0.3V to 7.0V
Output Voltage ....................................... -0.3V to (V
IN
+0.3V)
Output Short-Circuit Duration.....................................Infinite
Junction Temperature Range ...................................+150℃
Storage Temperature Range..................... -65℃ to +150℃
Lead Temperature ....................................................+250℃
Recommended Operating Conditions
Input Supply Voltage........................ 2V to 6.0V
Operating Temperature ..............-40℃ to +85℃
ESD Susceptibility (HBM)...........................................2KV
ESD Susceptibility (MM)........................................... 200V
Thermal Resistance (SOT-26,
θ
JC
) ....................140℃/W
Thermal Resistance (SOT-26,
θ
JA
) ....................250℃/W
Internal Power Dissipation (SOT-26, P
D
).................. 0.4W
YB1220 MRev.1.1
www.yobon.com.tw
3
Dual Channel 200mA LDO Regulator
Electrical Characteristics
Table 2
T
A
= 25℃, V
IN
= Max
(VO1,VO2)
+ 1 V , C
IN
= C
OU T
1= Cout2=1.0μF, EN = VIN, unless otherwise noted
YB1220
Function Parameter
Input Voltage Range
Output Voltage
Output Voltage Accuracy
Output Current Limit
Predefined
Conditions
Min
2.0
1.2
-2.0
0
Typ
Max
6.0
3.6
+2.0
+4.0
Units
V
V
%
%
mA
I
OUT
= 10mA, VO >= 1.3V
I
OUT
= 10mA, VO = 1.2V
Short-Circuit Output Limit
V
OUT
= 3.3V, I
OUT
= 200mA
V
OUT
= 2.8V, I
OUT
= 200mA
80
300
380
420
550
800
80
0.4
1.0
~0.01
62
50
34
0.4
1.5
0.01
160
20
Dropout Voltage
(Note 1)
V
OUT
= 2.5V, I
OUT
= 200mA
V
OUT
= 1.8V, I
OUT
= 200mA
V
OUT
= 1.2V, I
OUT
= 200mA
mV
Ground Current
Line Regulation
Load Regulation
Shutdown Supply Current
Iout = 0mA
VIN = Max(VO1,VO2)+1V to 6V,
Iout =10mA
Iout = 1mA to 200mA
EN1 = EN2 = 0V
F = 1KHz, Iout = 1mA
μA
%/V
%
μA
dB
dB
dB
V
V
μA
Ripple Rejection (PSRR)
F = 10KHz, Iout = 1mA
F = 100KHz, Iout = 1mA
EN Logic Low Level
EN Logic High Level
EN Input Bias Current
Thermal Shutdown
Thermal Hysteresis
VIN = 2.0V to 6V
VIN = 2.0V to 6V
VIN = EN = 6V
Shutdown Temperature
Note 1 :
The drop out voltage varies depending on output voltage selection
Dropout is defined as VIN–VO when VO is 100mV below VO where VIN=Max(VO1,VO2) for nominal VO.
Note 2:
Time needed for V
OUT
to reach 90% of final value.
YB1220 MRev.1.1
www.yobon.com.tw
4
Dual Channel 200mA LDO Regulator
YB1220
Typical Characteristics
At T
A
=25℃, VIN=Max(VO1,VO2) +1V, C
IN
=C
OUT
=1.0μF, EN=VIN, unless otherwise noted.
YB1220 MRev.1.1
www.yobon.com.tw
5
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