- 您現(xiàn)在的位置：買賣IC網(wǎng) > PDF目錄43899 > L5972D (STMICROELECTRONICS) 3 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PDSO8 PDF資料下載
參數(shù)資料
| 型號： | L5972D |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 3 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封裝： | ROHS COMPLIANT, SOP-8 |
| 文件頁數(shù)： | 11/15頁 |
| 文件大?。?/td> | 241K |
| 代理商： | L5972D |
L5972D
Electrical characteristics
5/15
3
Electrical characteristics
Table 4.
Electrical characteristics ( TJ = 25°C, VCC = 12V, unless otherwise specified)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit
VCC
Operating input
voltage range
Vo = 1.235V; Io = 2A
(1)
1.
Specification Referred to TJ from -40 to 125°C. Specification over the -40 to +125 TJ Temperature range
are assured by design, characterization and statistical correlation.
4.4
36
V
RDS(on)
Mosfet on
Resistance
(1)
0.250
0.5
Il
Maximum limiting
current
VCC = 4.4V to 36V
2
2.5
3
A
fs
Switching frequency
(1)
212
250
280
kHz
225
250
275
kHz
Duty cycle
0
100
%
Dynamic characteristics (see test circuit ).
V5
Voltage feedback
4.4V < VCC < 36V,
20mA < IO < 2A
1.220
1.235
1.25
V
(1)
1.198
1.235
1.272
V
h
Efficiency
VO = 5V, VCC = 12V
90
%
DC characteristics
Iqop
Total operating
quiescent current
(1)
35
mA
Iq
Quiescent current
Duty cycle = 0;
VFB = 1.5V
2.5
mA
Error amplfier
VOH
High level output
voltage
VFB = 1V
3.5
V
VOL
Low level output
voltage
VFB = 1.5V
0.4
V
Io source
Source output
current
VCOMP = 1.9V;
VFB = 1V
200
300
A
Io sink
Sink output current
VCOMP = 1.9V;
VFB = 1.5V
11.5
mA
Ib
Source bias current
2.5
4
A
DC open loop gain
RL = ∞
50
65
dB
gm
Transconductance
Icomp = -0.1mA to
0.1mA
VCOMP = 1.9V
2.3
mS
相關(guān)PDF資料 |
PDF描述 |
|---|---|
| L5973AD | 2.3 A SWITCHING REGULATOR, PDSO8 |
| L5973D | 3.5 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PDSO8 |
| L5973D013TR | 3.5 A SWITCHING REGULATOR, 280 kHz SWITCHING FREQ-MAX, PDSO8 |
| L5980TR | 1.6 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8 |
| L5983 | 1.5 A SWITCHING REGULATOR, 1000 kHz SWITCHING FREQ-MAX, PDSO8 |
相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| L5972D_0710 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2A switch step down switching regulator |
| L5972D013TR | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.235 to 35V Step-Dn RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
| L5973 | 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:2.5A SWITCH STEP DOWN SWITCHING REGULATOR |
| L5973A | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:2A SWITCH STEP DOWN SWITCHING REGULATOR |
| L5973AD | 功能描述:直流/直流開關(guān)調(diào)節(jié)器 1.235 to 35V Step-Dn RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5 |
發(fā)布緊急采購，3分鐘左右您將得到回復(fù)。