收藏本站
参数资料
型号： LTC3553EUD#PBF
厂商： LINEAR TECHNOLOGY CORP
元件分类： 电源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC20
封装： 3 X 3 MM, 0.75 MM HEIGHT, LEAD FREE, PLASTIC, QFN-20
文件页数： 23/36页
文件大小： 518K
代理商： LTC3553EUD#PBF
LTC3553
3
3553fa
POWER MANAGER ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
IBVINQ
BVIN Input Current
Buck Shutdown
Buck Enabled, Standby Mode
Buck Enabled
VBUS = 0V, VBVIN = 3.8V, ISW = 0 (Note 8)
BUCK_ON = 0V
BUCK_ON = STBY = 3.8V
BUCK_ON = 3.8V, STBY = 0V
0.01
1.5
22
1
3
38
μA
IVINLDOQ
VINLDO Input Current
LDO Shutdown
LDO Enabled, Standby Mode
LDO Enabled
VBUS = 0V, VINLDO = 3.8V, ILDO = 0 (Note 10)
LDO_ON = 0V
LDO_ON = STBY = 3.8V
LDO_ON = 3.8V, STBY = 0V
0.01
0.1
1
μA
Input Power Supply
VBUS
Input Supply Voltage
4.35
5.5
V
IBUS(LIM)
Total Input Current
HPWR = 0V (100mA)
HPWR = 5V (500mA)
l
80
400
90
450
100
500
mA
VUVLO
VBUS Undervoltage Lockout
Rising Threshold
Falling Threshold
3.5
3.8
3.6
3.9
V
mV
VDUVLO
VBUS to BAT Differential Undervoltage
Lockout
Rising Threshold
Falling Threshold
0
200
50
300
mV
RON_ILIM
Input Current Limit Power FET
On-Resistance (Between VBUS and VOUT)
350
mΩ
Battery Charger
VFLOAT
VBAT Regulated Output Voltage
0 ≤ TA ≤ 85°C
4.179
4.165
4.2
4.221
4.235
V
ICHG
Constant-Current Mode Charge Current
RPROG = 1.87k, 0 ≤ TA ≤ 85°C
380
400
420
mA
VPROG
VPROG,TRKL
PROG Pin Servo Voltage
PROG Pin Servo Voltage in Trickle Charge
VBAT < VTRKL
1
0.1
V
hPROG
Ratio of IBAT to PROG Pin Current
750
mA/mA
ITRKL
Trickle Charge Current
VBAT < VTRKL
30
40
50
mA
VTRKL
Trickle Charge Threshold Voltage
VBAT Rising
VBAT Falling
2.6
2.9
2.75
3V
V
ΔVRECHRG
Recharge Battery Threshold Voltage
Threshold Voltage Relative to VFLOAT
–75
–100
–125
mV
tTERM
Safety Timer Termination Period
Timer Starts when VBAT = VFLOAT – 50mV
3.2
4
5
Hour
tBADBAT
Bad Battery Termination Time
VBAT < VTRKL
0.4
0.5
0.63
Hour
hC/10
End-of-Charge Indication Current Ratio
(Note 6)
0.085
0.1
0.115
mA/mA
RON_CHG
Battery Charger Power FET
On-Resistance (Between VOUT and BAT)
IBAT = 200mA
220
mΩ
TLIM
Junction Temperature in Constant
Temperature Mode
110
°C
NTC
VCOLD
Cold Temperature Fault Threshold
Voltage
Rising NTC Voltage
Hysteresis
75
76
1.3
77
%VBUS
VHOT
Hot Temperature Fault Threshold Voltage Falling NTC Voltage
Hysteresis
34
35
1.3
36
%VBUS
VDIS
NTC Disable Threshold Voltage
Falling NTC Voltage
Hysteresis
l
1.2
1.7
50
2.2
%VBUS
mV
INTC
NTC Leakage Current
VNTC = VBUS = 5V
–50
50
nA
The
l denotes specications that apply over the full operating temperature range, otherwise specications are at TA = 25°C (Note 2),
VBUS = 5V, VBAT = 3.8V, HPWR = SUSP = BUCK_ON = LDO_ON = 0V, RPROG = 1.87k, STBY = high, unless otherwise noted.
相关PDF资料
PDF描述
LTC3554EPD#TRPB 0.5 A BATTERY CHARGE CONTROLLER, 1295 kHz SWITCHING FREQ-MAX, PQCC20
LTC3560IS6#TRPBF 2.1 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6
LTC3563EDC 1.75 A SWITCHING REGULATOR, 2700 kHz SWITCHING FREQ-MAX, PDSO6
LTC3568EDD#TR 4 A SWITCHING REGULATOR, 4000 kHz SWITCHING FREQ-MAX, PDSO10
LTC3568IDD 4 A SWITCHING REGULATOR, 4000 kHz SWITCHING FREQ-MAX, PDSO10
相关代理商/技术参数
参数描述
LTC3554 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower USB Power Manager with Li-Ion Charger and Two Step-Down Regulators
LTC3554EPD 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower USB Power Manager with Li-Ion Charger and Two Step-Down Regulators
LTC3554EPD#PBF 功能描述:IC USB POWER MANAGER 20-UTQFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 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
LTC3554EPD#TRPBF 功能描述:IC USB POWER MANAGER 20-UTQFN RoHS:是 类别:集成电路 (IC) >> PMIC - 电源管理 - 专用 系列:- 应用说明:Ultrasound Imaging Systems Application Note 产品培训模块:Lead (SnPb) Finish for COTS Obsolescence Mitigation Program 标准包装:37 系列:- 应用:医疗用超声波成像，声纳 电流 - 电源:- 电源电压:2.37 V ~ 6 V 工作温度:0°C ~ 70°C 安装类型:表面贴装 封装/外壳:56-WFQFN 裸露焊盘 供应商设备封装:56-TQFN-EP（8x8） 包装:管件
LTC3554EPDPBF 制造商:LINER 制造商全称:Linear Technology 功能描述:Micropower USB Power Manager with Li-Ion Charger and Two Step-Down Regulators
发布紧急采购，3分钟左右您将得到回复。

采购需求

(若只采购一条型号，填写一行即可)

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

发布成功！您可以继续发布采购。也可以进入我的后台，查看报价

*型号 *数量 厂商 批号 封装
添加更多采购

我的联系方式

*
*
*