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参数资料
| 型号： | ILC6377 |
| 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： | 4/11页 |
| 文件大小： | 684K |
| 代理商： | ILC6377 |
0.5A, 300kHz, SO-8 PWM/PFM Step Down Converter with Shutdown
Impala Linear Corporation
4
(408) 574-3939
www.impalalinear.com
June 1999
ILC6377 1.3
Parameter
Symbol
Conditions
Min
Typ
Max
Units
Feedback Voltage (pin5)
V
FB
.995 1.000
1.015
V
Input Voltage
V
OUT
R
FB1
+ R
FB2
< 2M
3
8
V
Output Current
I
OUT
500
600
mA
Input Supply Current
I
IN
V
IN
5.25V, No Load
71
110
μA
Shutdown Current
I
S/D
V
S/D
= 0V
1.5
2.5
μA
L
X
Switch On-Resistance
R
ds(on)
Open Loop Measurement, V
S/D
= V
IN
,
V
LX
= V
IN
- 0.4V, V
OUT
= 4.5V
0.44
0.58
L
X
Switch On-Resistance
I
LXL
Open Loop Measurement, V
OUT
= V
IN
,
V
LX
= 0V
2.0
μA
Shutdown Input Voltage
V
S/D
High = Regulator “ON”
Low = Regulator “OFF”
0.65
0.2
V
Oscillator Frequency
F
OSC
Measure Waveform at EXT pin V
IN
=
5.3V I
OUT
= 20mA
255
300
345
kHz
Max Duty Cycle
MAXDTY
100
%
PFM Duty Cycle
PFMDTY
No Load
10
17
25
%
Efficiency
EFFI
95
%
Undervoltage Lockout
V
UVLO
Minimum V
IN
when V
ref
does not start up
1
1.8
V
Soft-Start Time
T
SS
V
ref
rises to 0V from 0.9V
6.0
10.0
16.0
msec
Internal Protection Time
T
PRO
Time from V
OUT
m = 0V to V
S/D
going low
3.0
5.0
8.0
msec
EXT1, EXT2 Hi On-Resistance
REXt
HI
Open Loop Measurement
24
32
EXT1, EXT2 Low On-Resistance
REXt
LOW
Open Loop Measurement
20
26
Electrical Characteristics ILC6377SO-Adj
Unless Otherwise specified all limits are at V
OUT
programmed to 5.0V, V
IN
= 6V, F
OSC
=300kHz, I
OUT
= 200mA, T
A
= 25°C. Circuit configuration of figure 1.
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相关代理商/技术参数 |
参数描述 |
|---|---|
| ILC6377SO33 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:0.5A, 300kHz, SO-8 PWM/PFM Step Down Converter with Shutdown |
| ILC6377SO-33 | 制造商:IMPALA 制造商全称:IMPALA 功能描述:0.5A, 300KHZ, SO-8 PWM/PFM STEP DOWN CONVERTER WITH SHUTDOWN |
| ILC6377SO33X | 功能描述:开关变换器、稳压器与控制器 RoHS:否 制造商:Texas Instruments 输出电压:1.2 V to 10 V 输出电流:300 mA 输出功率: 输入电压:3 V to 17 V 开关频率:1 MHz 工作温度范围: 安装风格:SMD/SMT 封装 / 箱体:WSON-8 封装:Reel |
| ILC6377SO50 | 制造商:FAIRCHILD 制造商全称:Fairchild Semiconductor 功能描述:0.5A, 300kHz, SO-8 PWM/PFM Step Down Converter with Shutdown |
| ILC6377SO-50 | 制造商:IMPALA 制造商全称:IMPALA 功能描述:0.5A, 300KHZ, SO-8 PWM/PFM STEP DOWN CONVERTER WITH SHUTDOWN |
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