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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： | 12/36页 |
| 文件大小： | 518K |
| 代理商： | LTC3553EUD#PBF |
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LTC3553
2
3553fa
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
VBUS, VOUT
t < 1ms and Duty Cycle < 1% .................. –0.3V to 7V
Steady State............................................. –0.3V to 6V
BAT, NTC, CHRG, SUSP, PBSTAT,
ON, BUCK_FB, LDO_FB................................ –0.3V to 6V
BUCK_ON, LDO_ON, STBY, SEQ, HPWR,
BVIN, VINLDO, LDO (Note 4) .............–0.3V to VCC + 0.3V
IBAT .............................................................................1A
ISW (Continuous) .................................................300mA
ILDO (Continuous) ................................................175mA
ICHRG, IPBSTAT.........................................................75mA
Operating Temperature Range.................. –40°C to 85°C
Junction Temperature ........................................... 110°C
Storage Temperature Range................... –65°C to 125°C
(Notes 1, 2, 3)
ORDER INFORMATION
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3553EUD#PBF
LTC3553EUD#TRPBF
LFYB
20-Lead (3mm × 3mm) Plastic QFN
–40°C to 85°C
LTC3553EPD#PBF
LTC3553EPD#TRPBF
FHST
20-Lead (3mm × 3mm) Plastic UTQFN
–40°C to 85°C (OBSOLETE)
Consult LTC Marketing for parts specied with wider operating temperature ranges.
Consult LTC Marketing for information on non-standard lead based nish parts.
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/
POWER MANAGER ELECTRICAL CHARACTERISTICS
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.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
No-Load Quiescent Currents
IBATQ
Battery Drain Current (Note 5)
Buck and LDO Shutdown, Hard Reset
Buck and LDO Shutdown
Buck and LDO Enabled, Standby Mode
Buck and LDO Enabled
Buck Enabled, LDO Shutdown
LDO Enabled, Buck Shutdown
IOUT = ISW = ILDO = 0
VBUS = 0V, Hard Reset
VBUS = 0V
VBUS = 0V, BUCK_ON = LDO_ON = STBY = 3.8V
VBUS = 0V, BUCK_ON = LDO_ON = 3.8V,
STBY = 0V
VBUS = 0V, BUCK_ON = 3.8V, LDO_ON = 0V
STBY = 0V
VBUS = 0V, LDO_ON = 3.8V, BUCK_ON = 0V,
STBY = 0V
0.2
3
8
16
6.5
16
2
5
16
35
15
35
μA
IBATQC
Battery Drain Current, VBUS Available
VBAT = VFLOAT, Timer Timed Out
5
8
μA
IBUSQ
VBUS Input Current
100mA, 500mA Modes
Charger On
Timer Timed Out
SUSP = 5V (Suspend Mode)
300
150
15
500
350
30
μA
20 19 18 17 16
7
8
TOP VIEW
21
GND
UD PACKAGE
20-LEAD (3mm × 3mm) PLASTIC QFN
9 10
HPWR
SEQ
PBSTAT
ON
LDO_ON
NTC
CHRG
SW
BVIN
VINLDO
V
BUS
SUSP
V
OUT
BA
T
PROG
STBY
BUCK_ON
BUCK_FB
LDO_FB
LDO
12
11
13
14
15
4
5
3
2
1
6
TJMAX = 110°C, θJA = 70°C/W
EXPOSED PAD (PIN 21) IS GND, AND MUST BE SOLDERED TO PCB GND
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| 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 |
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