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参数资料
| 型号： | LA5779MP |
| 元件分类： | 稳压器 |
| 英文描述： | 3 A SWITCHING REGULATOR, 192 kHz SWITCHING FREQ-MAX, PSSO5 |
| 封装： | SMP-5 |
| 文件页数： | 2/4页 |
| 文件大小： | 221K |
| 代理商： | LA5779MP |
LA5779MP
No.A0498-2/4
Electrical Characteristics at Ta
= 25°C, VO = 3.3V
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
Reference voltage
VOS
VIN = 15V, IO = 1.0A
1.20
1.23
1.26
V
Efficiency
η
VIN = 15V, IO = 1.0A, Set VO = 5V
84
%
Switching frequency
f
VIN = 15V, IO = 1.0A
128
160
192
kHz
Switching frequency when
short-circuit protection is active
fshort
VIN = 15V, VOS = 0V
15
30
45
kHz
Line regulation
VOLINE
VIN = 8 to 20V, IO = 1.0A
40
100
mV
Load regulation
VOLOAD
VIN = 15V, IO = 0.5 to 1.5A
10
30
mV
Output voltage temperature
coefficient
VO/Ta
Designed target value. *
±0.5
mV/
°C
Ripple attenuation factor
RREJ
f = 100 to 120Hz
45
dB
Output leak current
IOleak
VIN = 15V, SWOUT = -0.4V
50
A
Current limiter operating voltage
IS
VIN = 15V
3.1
A
Operating current
IVIN
VIN = 15V
5.6
mA
Standby current
ISTBY
VIN = 15V, ENA = 5V
50
100
A
ENA pin LOW voltage range
VENAL
0.6
V
ENA pin HIGH voltage range
VENAH
2.4
VIN
V
Thermal shutdown operating
temperature
TSD
Designed target value. *
165
°C
Thermal shutdown Hysteresis
width
TSD
Designed target value. *
15
°C
* Design target value: No measurement made.
Package Dimensions
unit : mm (typ)
3275
Pin Assignment
(1) VIN (2) SWOUT (3) GND (4) VOS (5) ENA
SANYO : SMP5
1.5
10.0
9.9
1.2
4.5
(8
.8
)
1.3
4.5
2.7
0.4
1.7
(1.6)
0.9
15
0.2
Ambient temperature, Ta -
°C
Allowable
power
dissipation,
Pd
max
-
W
140
120
100
80
60
40
20
0
-20
-30
0
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
Pd max - Ta
MSG06072
160
4.5
3.90
Specified sbstrate: 76.1
×114.3×1.6mm3
Copper foil ratio 60% FR4
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相关代理商/技术参数 |
参数描述 |
|---|---|
| LA5779MP-DL-E | 功能描述:直流/直流开关调节器 SWITCHING REGULATOR RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| LA5779MP-E | 功能描述:直流/直流开关调节器 RoHS:否 制造商:International Rectifier 最大输入电压:21 V 开关频率:1.5 MHz 输出电压:0.5 V to 0.86 V 输出电流:4 A 输出端数量: 最大工作温度: 安装风格:SMD/SMT 封装 / 箱体:PQFN 4 x 5 |
| LA5779N | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Monolithic Linear IC Separately-excited Step-down Switching Regulator (Variable Type) |
| LA5795T | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Monolithic Linear IC Tuner Power Supply Systems |
| LA5797M | 制造商:SANYO 制造商全称:Sanyo Semicon Device 功能描述:Monolithic Linear IC For Variable Capacitance Diodes Charge Pump Step-up Power Supply |
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