- 您现在的位置：买卖IC网 > PDF目录98002 > LTC1955IUH#TR (LINEAR TECHNOLOGY CORP) 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32 PDF资料下载
参数资料
| 型号： | LTC1955IUH#TR |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 电源管理 |
| 英文描述： | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32 |
| 封装： | 5 X 5 MM, 0.75 MM HEIGHT, MO-220WHHD, QFN-32 |
| 文件页数： | 12/20页 |
| 文件大小： | 243K |
| 代理商： | LTC1955IUH#TR |
LTC1955
2
1955fb
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
VBATT, DVCC, CPO, FAULT,
UNDERV to GND ....................................... –0.3V to 6.0V
PRES A/PRES B, DATA, RIN, SYNC, ASYNC,
LD, DIN, SCLK to GND.................–0.3V to (DVCC + 0.3V)
I/O A............................................ –0.3V to (VCCA + 0.3V)
I/O B............................................ –0.3V to (VCCB + 0.3V)
IVCCA/IVCCB.............................................................80mA
VCCA/VCCB Short-Circuit Duration..................... Indenite
Operating Temperature Range (Note 4).... –40°C to 85°C
Junction Temperature ........................................... 125°C
Storage Temperature Range................... –65°C to 125°C
(Note 1)
32
33
31 30 29 28 27 26 25
9
10 11 12
TOP VIEW
UH PACKAGE
32-LEAD (5mm
5mm) PLASTIC QFN
13 14 15 16
17
18
19
20
21
22
23
24
8
7
6
5
4
3
2
1
DVCC
PRES A
C8A
C4A
I/O A
RST A
CLK A
VCCA
FAULT
UNDERV
NC/NO
PRES B
I/O B
RST B
CLK B
VCCB
SYNC
ASYNC
R
IN
D
ATA
D
OUT
D
IN
SCLK
LD
SGND
PGND
C
–
SV
BATT
PV
BATT
C
+
CPO
NC
TJMAX = 125°C, θJA = 34°C/W
EXPOSED PAD (PIN 33) IS SGND, MUST BE SOLDERED TO PCB
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC1955EUH#PBF
LTC1955EUH#TRPBF
1955
32-Lead (5mm
× 5mm) Plastic QFN
–40°C to 85°C
LTC1955IUH#PBF
LTC1955IUH#TRPBF
1955
32-Lead (5mm
× 5mm) Plastic QFN
–40°C to 85°C
LEAD BASED FINISH
TAPE AND REEL
PART MARKING*
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC1955EUH
LTC1955EUH#TR
1955
32-Lead (5mm
× 5mm) Plastic QFN
–40°C to 85°C
LTC1955IUH
LTC1955IUH#TR
1955
32-Lead (5mm
× 5mm) Plastic QFN
–40°C to 85°C
Consult LTC Marketing for parts specied with wider operating temperature ranges. *The temperature grade is identied by a label on the shipping container.
For more information on lead free part marking, go to: http://www.linear.com/leadfree/
For more information on tape and reel specications, go to: http://www.linear.com/tapeandreel/
ELECTRICAL CHARACTERISTICS
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input Power Supply
VBATT Operating Voltage
l
2.7
5.5
V
IPVBATT + ISVBATT Operating Current
VCCA = 5V, VCCB = 0V, ICCA = 0μA
VCCA = VCCB = 5V, ICCA = ICCB = 0μA
l
250
350
400
500
μA
IPVBATT + ISVBATT Shutdown Current
No Cards Present. VCPO = 0V
l
0.75
1.75
μA
DVCC Operating Voltage
l
1.7
5.5
V
The
l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. VPVBATT = VSVBATT = 3.3V, DVCC = 3.3V, unless otherwise noted.
相关PDF资料 |
PDF描述 |
|---|---|
| LTC1955IUH | 2-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC32 |
| LTC2900-1CMS#TRPFB | 4-CHANNEL POWER SUPPLY SUPPORT CKT, PDSO10 |
| LTC3125EDCB#TRPBF | SWITCHING REGULATOR, 1900 kHz SWITCHING FREQ-MAX, PDSO8 |
| LTC3125EDCB#PBF | SWITCHING REGULATOR, 1900 kHz SWITCHING FREQ-MAX, PDSO8 |
| LTC3406ES5-1.2#PBF | 1.3 A SWITCHING REGULATOR, 1800 kHz SWITCHING FREQ-MAX, PDSO5 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC1957-1EMS8 | 功能描述:IC RF PWR CONTRLLR SINGLE 8-MSOP RoHS:否 类别:RF/IF 和 RFID >> RF 电源控制器 IC 系列:- 标准包装:3,000 系列:- RF 型:GSM 频率:450MHz ~ 2GHz 特点:四频带 封装/外壳:8-VFBGA 供应商设备封装:8-MicroSMD（1.51x1.51） 包装:带卷 (TR) 其它名称:LMV243BLX |
| LTC1957-1EMS8#PBF | 功能描述:IC RF PWR CONTRLLR SINGLE 8-MSOP RoHS:是 类别:RF/IF 和 RFID >> RF 电源控制器 IC 系列:- 标准包装:3,000 系列:- RF 型:GSM 频率:450MHz ~ 2GHz 特点:四频带 封装/外壳:8-VFBGA 供应商设备封装:8-MicroSMD（1.51x1.51） 包装:带卷 (TR) 其它名称:LMV243BLX |
| LTC1957-1EMS8#TR | 功能描述:IC RF PWR CONTRLLR SINGLE 8-MSOP RoHS:否 类别:RF/IF 和 RFID >> RF 电源控制器 IC 系列:- 标准包装:3,000 系列:- RF 型:GSM 频率:450MHz ~ 2GHz 特点:四频带 封装/外壳:8-VFBGA 供应商设备封装:8-MicroSMD（1.51x1.51） 包装:带卷 (TR) 其它名称:LMV243BLX |
| LTC1957-1EMS8#TRPBF | 功能描述:IC RF PWR CONTRLLR SINGLE 8-MSOP RoHS:是 类别:RF/IF 和 RFID >> RF 电源控制器 IC 系列:- 标准包装:3,000 系列:- RF 型:GSM 频率:450MHz ~ 2GHz 特点:四频带 封装/外壳:8-VFBGA 供应商设备封装:8-MicroSMD（1.51x1.51） 包装:带卷 (TR) 其它名称:LMV243BLX |
| LTC1957-2EMS | 功能描述:IC RF PWR CONTROLLR DUAL 10-MSOP RoHS:否 类别:RF/IF 和 RFID >> RF 电源控制器 IC 系列:- 标准包装:3,000 系列:- RF 型:GSM 频率:450MHz ~ 2GHz 特点:四频带 封装/外壳:8-VFBGA 供应商设备封装:8-MicroSMD（1.51x1.51） 包装:带卷 (TR) 其它名称:LMV243BLX |
发布紧急采购，3分钟左右您将得到回复。