ILC6377SO33 데이터 시트보기 (PDF) - Fairchild Semiconductor
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ILC6377SO33 Datasheet PDF : 12 Pages
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ILC6376/77
Absolute Maximum Ratings (TA=25°C)
Parameter
VIN Input Voltage Pin
VOUT Pin (ILC6376/77SOXX)
FB Pin (ILC6376/77SOADJ)
Voltage on LX pin
Peak Switch Current on LX pin
Voltage on P_BST pin
Current EXT1, EXT2 pins
Voltage on all other pins
Continuous Total Power Dissipation
Operating Ambient Temperature
Storage Temperature
Symbol
VIN
VOUT
VFB
VLX
ILX
VDP_BST
IEXT1, IEXT2
~
PD
TOPR
TSTG
Ratings
-0.3 to +12
-0.3 to +12
-0.3 to VIN +0.3
VIN - VLX = -0.3 to +12
700
VIN - VP_BST = -0.3 to +12
±50
-0.3 to VIN + 0.3
300
-30~+80
-40~+125
Units
V
V
V
mA
V
mA
V
mW
°C
°C
Electrical Characteristics ILC6376/77SO33
VOUT = 3.3V, VIN = 4V, FOSC=300kHz, IOUT = 130mA, TA = 25°C, unless otherwise specified. Circuit configuration figure 1.
Parameter
Output Voltage
Input Voltage
Output Maximum Current
Input Current Supply
Shutdown Current
LX Switch On - Resistance
LX Switch Leakage Current
Oscillator Frequency
Max Duty Cycle
Symbol
VOUT
VIN
IOUT(MAX)
IIN
IS/D
Rds(on)
ILXL
FOSC
MAXDTY
Conditions
VIN 3.5V, No Loads
ILC6376
ILC6377
VS/D = 0V
Open Loop Measurement, VS/D =
VIN, VLX = VIN - 0.2V, VOUT = 3V
Open Loop Measurement, VOUT =
VIN, VLX = 0V
Measurement Waveform at EXT pin
VIN = 3.6V IOUT = 20mA
Min.
3.218
500
255
Typ.
3.300
600
1480
50
1.5
0.64
300
100
Max.
3.383
10
2190
86
2.5
0.85
2.0
345
Units
V
V
mA
µA
µA
Ω
µA
kHz
%
PFM Duty Cycle
Efficiency
PFMDTY No Load (ILC6377)
EFFI
15
25
35
%
95
%
Undervoltage Lockout
Soft-Start Time
Shutdown Input Voltage
EXT1, EXT2 Hi On-
Resistance
EXT1, EXT2 Low On-
Resistance
VUVLO
TSS
VSD
REXtHI
REXtLOW
Minimum VIN when Vref does not
start up
VREF rises to 0V from 0.9V
High = Regulator “ON”
Low = Regulator “OFF”
3V applied to VOUT with no external
components
3.6V applied to VOUT with no
external components
0.9
6.0
0.65
10.0
35
29
1.8
V
16.0 msec
V
0.2
47
Ω
37
Ω
©2001 Fairchild Semiconductor Corporation
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