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参数资料
| 型号： | ILC6377SO-ADJ |
| 厂商： | Impala Linear Corporation |
| 英文描述： | 0.5A, 300KHZ, SO-8 PWM/PFM STEP DOWN CONVERTER WITH SHUTDOWN |
| 中文描述： | 为0.5A，300kHz的SO - 8封装的PWM / PFM降压转换器具有关断 |
| 文件页数： | 3/11页 |
| 文件大小： | 684K |
| 代理商： | ILC6377SO-ADJ |
0.5A, 300kHz, SO-8 PWM/PFM Step Down Converter with Shutdown
Impala Linear Corporation
3
(408) 574-3939
www.impalalinear.com
June 1999
ILC6377 1.3
Min
4.875
500
255
10
1
6.0
3.0
0.65
Typ
5.000
600
71
1.5
0.44
300
100
17
95
10.0
5.0
24
20
Symbol
V
OUT
V
IN
I
OUT
I
IN
I
S/D
R
ds(on)
I
LXL
F
OSC
MAXDTY
PFMDTY
EFFI
V
UVLO
T
SS
T
PRO
V
S/D
REXt
HI
REXt
LOW
Parameter
Output Voltage
Input Voltage
Output Current
Input Supply Current
Shutdown Current
L
X
Switch On-Resistance
L
X
Switch Leakage Current
Oscillator Frequency
Max Duty Cycle
PFM Duty Cycle
Efficiency
Undervoltage Lockout
Soft-Start Time
Internal Protection Time
Shutdown Input Voltage
EXT1, EXT2 Hi On-Resistance
EXT1, EXT2 Low On-Resistance
Parameter
Internal Protection Time
Shutdown Input Voltage
EXT1, EXT2 Hi On-Resistance
EXT1, EXT2 Low On-Resistance
Symbol
T
PRO
V
SD
REXt
HI
REXt
LOW
Conditions
Time from V
OUT
= 0V to V
S/D
going low
High = Regulator “ON”
Low = Regulator “OFF”
3V applied to V
OUT
with no external components
3.6V applied to V
OUT
with no external components
Min
3.0
0.65
Typ
5.0
3.5
29
Max
8.0
0.2
47
37
Units
Msec
V
Conditions
V
IN
5.25V, No Load
V
S/D
= 0V
Open Loop Measurement, V
S/D
= V
IN
,
V
LX =
V
IN
- 0.4V, V
OUT
= 4.5V
Open Loop Measurement, V
OUT
= V
IN
,
V
LX
= 0V
Measure Waveform at EXT pin V
IN
= 5.3V
I
OUT
= 20mA
No Load
Minimum V
IN
when V
ref
does not start up
V
ref
rises to 0V from 0.9V
Time form V
OUT
m = 0V to V
S/D
going low
High = Regulator “ON”
Low = Regulator “OFF”
Open Loop Measurement
Open Loop Measurement
Max
5.125
10
110
2.5
0.58
2.0
345
25
1.8
16.0
8.0
0.2
32
26
Units
V
V
mA
μA
μA
μA
kHz
%
%
%
V
msec
msec
V
Electrical Characteristics ILC6377SO-33
Electrical Characteristics ILC6377SO-50
Unless Otherwise specified all limits are at V
OUT
= 3.3V, V
IN
= 4V, F
OSC
=300kHz, I
OUT
= 130mA,T
A
= 25°C. Circuit configuration of figure 1.
Unless Otherwise specified all limits are at V
OUT
= 5.0V, V
IN
= 6V, F
OSC
=300kHz, I
OUT
= 200mA, T
A
= 25°C. Circuit configuration of figure 1.
相关PDF资料 |
PDF描述 |
|---|---|
| ILC6377 | 0.5A, 300KHZ, SO-8 PWM/PFM STEP DOWN CONVERTER WITH SHUTDOWN |
| ILC6382CIR-33 | 1-CELL TO 3-CELL BOOST WITH TRUE LOAD DISCONNECT, 3.3V, 5V OR ADJUSTABLE OUTPUT |
| ILC6382CIR-50 | 1-CELL TO 3-CELL BOOST WITH TRUE LOAD DISCONNECT, 3.3V, 5V OR ADJUSTABLE OUTPUT |
| ILC6382CIR-ADJ | 1-CELL TO 3-CELL BOOST WITH TRUE LOAD DISCONNECT, 3.3V, 5V OR ADJUSTABLE OUTPUT |
| ILC6382 | 1-CELL TO 3-CELL BOOST WITH TRUE LOAD DISCONNECT, 3.3V, 5V OR ADJUSTABLE OUTPUT |
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