- 您现在的位置：买卖IC网 > PDF目录80057 > LTC3226EUD#PBF (LINEAR TECHNOLOGY CORP) SWITCHED CAPACITOR REGULATOR, PQCC16 PDF资料下载
参数资料
| 型号： | LTC3226EUD#PBF |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHED CAPACITOR REGULATOR, PQCC16 |
| 封装： | 3 X 3 MM, LEAD FREE, PLASTIC, MO-220WEED-2, QFN-16 |
| 文件页数： | 10/16页 |
| 文件大小： | 431K |
| 代理商： | LTC3226EUD#PBF |
LTC3226
3
3226f
ELECTRICAL CHARACTERISTICS The
l
denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C (Note 3). VIN = 3.3V, VCPO = 5V, VOUT = 3.3V, VMID = 1/2 VCPO unless
otherwise noted.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Input Supply Range
l
2.5
5.5
V
IVIN(ST)
VIN Quiescent Current in Normal Mode
VPFI > 1.2V, VCPO_FB > 1.2V, VIN < VCPO
10
A
ICPO(ST)
CPO Quiescent Current in Normal Mode
VPFI > 1.2V, VCPO_FB > 1.2V, VIN < VCPO
20
A
IVOUT(ST)
VOUT Quiescent Current in Normal Mode
VOUT = VIN, VPFI > 1.2V, VCPO_FB > 1.2V,
VIN < VCPO
5
A
ICPO(BU)
CPO Quiescent Current in Backup Mode
VPFI < 1.2V, VLDO_FB > 0.8V, VCPO > VOUT
24
A
IVOUT(BU)
VOUT Quiescent Current in Backup Mode
VIN = 0V, VPFI < 1.2V, VLDO_FB > 0.8V,
VCPO > VOUT
3
A
Ideal Diode Controller
VFWD(EDA)
External Ideal Diode Forward Voltage (VIN-VOUT) IVOUT = 2mA
15
mV
VRTO
Fast Turn-Off Voltage (VIN-VOUT)
VIN Falling
–45
mV
Fast Turn-On Voltage (VIN-VOUT)
VOUT Falling
45
mV
Charge Pump Supercapacitor Charger
VCPO_FB
CPO_FB Pin Threshold for Entering Sleep Mode
l
1.18
1.21
1.24
V
CPO_FB Pin Hysteresis for Exiting Sleep Mode
20
mV
ICPO_FB
Charge Pump FB Pin Input Leakage
VCPO_FB = 1.3V
l
–50
50
nA
fOSC
CLK Frequency
0.75
0.9
1.05
MHz
ROL
Effective Open-Loop Output Impedance (Note 4) VCPO = 4.5V, CFLY = 1F
6
Ω
VPROG
PROG Pin Servo Voltage
VCPO_FB < 1.2V
l
0.98
1.0
1.02
V
IVIN(ILIM)
Input Current Limit
RPROG = 33.3k, VCPO = 0V
360
mA
hPROG
Ratio of VIN Input Current Limit to PROG Pin
Current
RPROG = 33.3k, VCPO = 0V
10,500
A/A
ICHRG(1x)
CPO Pin Charging Current (1x Mode)
VIN = 3.8V, RPROG = 33.3k, VCPO = 3V
315
mA
ICHRG(2x)
CPO Pin Charging Current (2x Mode)
RPROG = 33.3k
157.5
mA
ISC
Short-Circuit Charge Current
PROG Pin Grounded, VCPO = 0V
600
mA
VMODE
VIN to CPO Voltage Differential for Switching
Mode from 1x to 2x
200
mV
1x/2x Mode Comparator Hysteresis
120
mV
VCLAMP
Maximum Voltage Across Either Supercapacitor
After Charging
l
2.65
2.75
V
VSTACK
Maximum Supercapacitor Stack Voltage
l
5.3
5.5
V
VMID
VMID Output Voltage
2.5
V
VMID Current Sourcing Capability
VMID < VCPO/2, VCPO_FB > 1.24V
4.5
mA
VMID Current Sinking Capability
VMID > VCPO/2, VCPO_FB > 1.24V
5.5
mA
CPO_FB Pin Threshold Voltage (Rising) for
CAPGOOD
l
1.09
1.11
1.13
V
CPO_FB Pin Hysteresis for CAPGOOD
20
mV
CAPGOOD Output Low Voltage
ISINK = 5mA
65
mV
CAPGOOD High Impedance Leakage Current
VCAPGOOD = 5V
l
1
A
相关PDF资料 |
PDF描述 |
|---|---|
| LTC3872HDDB#PBF | SWITCHING CONTROLLER, 650 kHz SWITCHING FREQ-MAX, PDSO8 |
| LVB48S | 1-OUTPUT 5 W DC-DC REG PWR SUPPLY MODULE |
| LH2540-2D4 | 2-OUTPUT AC-DC UNREG PWR SUPPLY MODULE |
| LS2320-9EPD1T | 2-OUTPUT 100 W AC-DC REG PWR SUPPLY MODULE |
| LT1021AMH-10 | 1-OUTPUT THREE TERM VOLTAGE REFERENCE, 10 V, MBCY8 |
相关代理商/技术参数 |
参数描述 |
|---|---|
| LTC3226IUD | 制造商:LINEAR 制造商全称:LINEAR 功能描述:2-Cell Supercapacitor Charger with Backup PowerPath Controller |
| LTC3226IUD#PBF | 功能描述:IC 2CELL SUPERCAP CHARGE 16QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:PowerPath™ 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP（4x4） 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR |
| LTC3226IUD#TRPBF | 功能描述:IC 2CELL SUPERCAP CHARGE 16QFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:PowerPath™ 标准包装:1 系列:- 应用:手持/移动设备 电流 - 电源:- 电源电压:3 V ~ 5.5 V 工作温度:-40°C ~ 85°C 安装类型:表面贴装 封装/外壳:14-WFDFN 裸露焊盘 供应商设备封装:14-LLP-EP（4x4） 包装:Digi-Reel® 配用:LP3905SD-30EV-ND - BOARD EVALUATION LP3905SD-30 其它名称:LP3905SD-30DKR |
| LTC3230 | 制造商:LINER 制造商全称:Linear Technology 功能描述:5-LED Main/Sub Display Driver with Dual LDO |
| LTC3230EUD#PBF | 功能描述:IC LED DRIVR WHITE BCKLGT 20-QFN RoHS:是 类别:集成电路 (IC) >> PMIC - LED 驱动器 系列:- 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:2,500 系列:- 恒定电流:- 恒定电压:- 拓扑:升压（升压），切换式电容器（充电泵） 输出数:1 内部驱动器:是 类型 - 主要:背光 类型 - 次要:白色 LED 频率:625kHz ~ 875kHz 电源电压:2.7 V ~ 5.3 V 输出电压:5V 安装类型:表面贴装 封装/外壳:10-TFSOP，10-MSOP（0.118"，3.00mm 宽） 供应商设备封装:10-µMAX 包装:带卷 (TR) 工作温度:-40°C ~ 85°C |
发布紧急采购，3分钟左右您将得到回复。