- 您现在的位置：买卖IC网 > PDF目录98282 > TPS54227DDA (TEXAS INSTRUMENTS INC) 4.7 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO8 PDF资料下载
参数资料
| 型号： | TPS54227DDA |
| 厂商： | TEXAS INSTRUMENTS INC |
| 元件分类： | 稳压器 |
| 英文描述： | 4.7 A SWITCHING REGULATOR, 700 kHz SWITCHING FREQ-MAX, PDSO8 |
| 封装： | PLASTIC, MS-012BA, SOP-8 |
| 文件页数： | 13/19页 |
| 文件大小： | 323K |
| 代理商： | TPS54227DDA |
SLVSAU2
– MAY 2011
RECOMMENDED OPERATING CONDITIONS
over operating free-air temperature range (unless otherwise noted)
MIN
MAX
UNIT
VIN
Supply input voltage range
4.5
18
V
VBST
–0.1
24
VBST (10 ns transient)
-0.1
27
VBST(vs SW)
–0.1
5.7
SS
–0.1
5.7
VI
Input voltage range
EN
–0.1
18
V
VFB
–0.1
5.5
SW
–1.8
18
SW (10 ns transient)
–3
21
GND
–0.1
0.1
VO
Output voltage range
VREG5
–0.1
5.7
V
IO
Output Current range
IVREG5
0
10
mA
TA
Operating free-air temperature
–40
85
°C
TJ
Operating junction temperature
–40
150
°C
ELECTRICAL CHARACTERISTICS
over operating free-air temperature range, VIN = 12 V (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
VIN current, TA = 25°C, EN = 5 V,
IVIN
Operating - non-switching supply current
800
1200
μA
VFB = 0.8 V
IVINSDN
Shutdown supply current
VIN current, TA = 25°C, EN = 0 V
5.0
10
μA
LOGIC THRESHOLD
VENH
EN high-level input voltage
EN
1.6
V
VENL
EN low-level input voltage
EN
0.6
V
VFB VOLTAGE AND DISCHARGE RESISTANCE
VFBTH
VFB threshold voltage
TA = 25°C, VO = 1.05 V, continuous mode
749
765
781
mV
IVFB
VFB input current
VFB = 0.8 V, TA = 25°C
0
±0.1
μA
VREG5 OUTPUT
TA = 25°C, 6.0 V < VIN < 18 V,
VVREG5
VREG5 output voltage
5.2
5.5
5.7
V
0
< IVREG5 < 5 mA
VLN5
Line regulation
6 V
< VIN < 18 V, IVREG5 = 5 mA
25
mV
VLD5
Load regulation
0 mA
< IVREG5 < 5 mA
100
mV
IVREG5
Output current
VIN = 6 V, VREG5 = 4.0 V, TA = 25°C
60
mA
MOSFET
RDS(on)h
High side switch resistance
25
°C, VBST - SW = 5.5 V
155
m
RDS(on)l
Low side switch resistance
25
°C
108
m
CURRENT LIMIT
Iocl
Current limit
L out = 2.2
μH(1)
2.5
3.3
4.7
A
(1)
Not production tested.
Copyright
2011, Texas Instruments Incorporated
3
相关PDF资料 |
PDF描述 |
|---|---|
| TPS54233DG4 | 2 A SWITCHING REGULATOR, 390 kHz SWITCHING FREQ-MAX, PDSO8 |
| TPS54240QDGQRQ1 | 2.5 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO10 |
| TPS54260DGQR | SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO10 |
| TPS54260QDGQRQ1 | 2.5 A SWITCHING REGULATOR, 2500 kHz SWITCHING FREQ-MAX, PDSO10 |
| TPS5430MDDAREPG4 | 8.5 A SWITCHING REGULATOR, 600 kHz SWITCHING FREQ-MAX, PDSO8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| TPS54227DDAR | 功能描述:直流/直流开关调节器 4.5-18Vin,2A Sync Step Down Cnvrtr 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 |
| TPS54227DRCR | 制造商:Texas Instruments 功能描述:IC REG BUCK SYNC ADJ 2A 10SON 制造商:Texas Instruments 功能描述:2A Single Sync DC/DC converter |
| TPS54227DRCT | 制造商:Texas Instruments 功能描述:2A SINGLE SYNC DC/DC CONVERTER - Tape and Reel 制造商:Texas Instruments 功能描述:2A SINGLE SYNC DC/DC CONVERTER - Cut TR (SOS) 制造商:Texas Instruments 功能描述:IC REG BUCK SYNC ADJ 2A 10SON 制造商:Texas Instruments 功能描述:IC SYNC STEP DOWN 700KHZ SO 制造商:Texas Instruments 功能描述:IC, SYNC STEP DOWN, 700KHZ, SON-10 制造商:Texas Instruments 功能描述:Voltage Regulators - Switching Regulators 4.5-18Vin,2A Sync SD Cnvrtr 制造商:Texas Instruments 功能描述:IC, SYNC STEP DOWN, 700KHZ, SON-10, Primary Input Voltage:18V, No. of Outputs:1, 制造商:Texas Instruments 功能描述:2A Single Sync DC/DC converter |
| TPS54227EVM-686 | 功能描述:电源管理IC开发工具 TPS54227 Eval Mod RoHS:否 制造商:Maxim Integrated 产品:Evaluation Kits 类型:Battery Management 工具用于评估:MAX17710GB 输入电压: 输出电压:1.8 V |
| TPS54228 | 制造商:TI 制造商全称:Texas Instruments 功能描述:4.5V to 18V Input, 2-A Synchronous Step-Down SWIFT |
发布紧急采购，3分钟左右您将得到回复。