L5201 데이터 시트보기 (PDF) - Unisonic Technologies
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L5201 Datasheet PDF : 7 Pages
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L5201
CMOS IC
ABSOLUTE MAXIMUM RATINGS
PARAMETER
SYMBOL
RATINGS
UNIT
Input Voltage(to GND)
VIN
-0.3 ~ 6
V
Charge Pump Voltage(to GND)
Shutdown Voltage(to GND)
Maximum DC Output Current (Note 1)
VOUT
-0.3 ~ 5.5
V
V SHDN
-0.3 ~ (VIN+0.3)
V
IOUT
150
mA
VOUT Short-Circuit Duration
Operating Temperature
Storage Temperature
Indefinite
TOPR
-40 ~ +85
℃
TSTG
-40 ~ +150
℃
Note: 1. Based on long-term current density limitations.
2. 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
(VCC=VSHDN = 3V, Ta=25°C, CFLY=1µF, CIN=10µF, COUT=10µF, unless otherwise specified.)
PARAMETER
SYMBOL
TEST CONDITIONS
MIN
Input Voltage
No Switching Supply Current
Output Voltage
L5201-4.5V
L5201-5.0V
VIN
IQ
VOUT
VOUT=5.0V
2.7V＜VIN＜5V, IOUT=0mA,
SHDN=VIN, VOUT=5.5V
2.7V＜VIN＜5V, IOUT≤ 50mA
3.0V＜VIN＜5V, IOUT≤ 100mA
2.7V＜VIN＜5V, IOUT ≤ 40mA
3.0V＜VIN＜5V, IOUT≤ 90mA
2.7
4.32
4.8
SHDN Input Threshold High
VIH
1.4
Low
VIL
Feedback Voltage (For L5201-ADJ)
VFB
1.217
Ripple Voltage (For L5201-Fixed)
Shutdown Supply Current
VR
ISHDN
VIN = 3V, IOUT = 50mA
VIN = 3V, IOUT = 90mA
2.7V＜VIN＜5V, IOUT=0mA,
VSHDN = 0
Feedback Input Current (For L5201-ADJ) IFB VFB=1.4V
-50
Efficiency (For L5201-Fixed)
η
VIN = 2.7V, IOUT = 40mA
VIN = 3V, IOUT = 90mA
Frequency
FOSC Oscillator Free Running
0.7
VOUT Turn-on time
tON VIN = 3V, IOUT = 0mA
Short-Circuit Current
ISC
VIN = 3V, VOUT = GND,
SHDN = 3V
Thermal Shutdown Temperature
TSD
Thermal Shutdown Hysteresis
TYP
90
4.5
5
1.268
25
25
88
80
1
0.35
340
150
30
MAX
VOUT
140
4.68
5.2
0.3
1.319
1
50
1.3
UNIT
V
µA
V
V
V
V
mVP-P
µA
nA
%
MHz
ms
mA
℃
℃
UNISONIC TECHNOLOGIES CO., LTD
www.unisonic.com.tw
4 of 7
QW-R502-107,A
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