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參數(shù)資料
| 型號(hào)： | LTC3554EPD#TRPB |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.5 A BATTERY CHARGE CONTROLLER, 1295 kHz SWITCHING FREQ-MAX, PQCC20 |
| 封裝： | 3 X 3 MM, 0.55 MM HEIGHT, LEAD FREE, PLASTIC, UTQFN-20 |
| 文件頁(yè)數(shù)： | 12/36頁(yè) |
| 文件大?。?/td> | 418K |
| 代理商： | LTC3554EPD#TRPB |
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LTC3554
2
3554p
PIN CONFIGURATION
ABSOLUTE MAXIMUM RATINGS
VBUS, VOUT, BVIN
t < 1ms and Duty Cycle < 1% .................. –0.3V to 7V
Steady State............................................. –0.3V to 6V
BAT, NTC, CHRG, SUSP, PBSTAT,
ON, PGOOD, FB1, FB2.................................. –0.3V to 6V
PWR_ON1, PWR_ON2, STBY
HPWR, FSEL (Note 4) ......................–0.3V to VCC + 0.3V
IVBUS, IBAT ...................................................................1A
ISW1, ISW2 (Continuous).......................................300mA
ICHRG, IPGOOD, 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
POWER MANAGER ELECTRICAL CHARACTERISTICS
The
l denotes specications that apply over the full operating temperature range, otherwise specications are at TA = 25°C,
VBUS = 5V, VBAT = 3.8V, HPWR = SUSP = PWR_ON1 = PWR_ON2 = 0V, RPROG = 1.74k, STBY = High
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
No-Load Quiescent Currents
IBATQ
Battery Drain Current
IOUT = 0 (Note 5)
VBUS = 0V (Hard Reset)
VBUS = 0V
VBUS = 0V, PWR_ON1 = PWR_ON2 = 3.8V
0.2
3
6.5
2
5
12
μA
IBATQC
Battery Drain Current, VBUS Available
VBAT = VFLOAT, Timer Timed Out
5
8
μA
IBUSQ
VBUS Input Current
100mA, 500mA Modes
SUSP = 5V (Suspend Mode)
300
15
500
30
μA
IBVINQ
BVIN Input Current
Shutdown Input Current
One Buck Enabled, Standby Mode
Both Bucks Enabled, Standby Mode
One Buck Enabled
Both Bucks Enabled
VBVIN = 3.8V, VBUS = 0V (Note 8)
PWR_ON1 = STBY = 3.8V
PWR_ON1 = PWR_ON2 = STBY = 3.8V
PWR_ON1 = 3.8V, STBY = 0V
PWR_ON1 = PWR_ON2 = 3.8V, STBY = 0V
0.01
1.5
3
18
36
1
3
6
35
70
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
TBD
90
450
100
500
mA
20 19 18 17 16
7
8
TOP VIEW
21
PD PACKAGE
20-LEAD (3mm × 3mm) PLASTIC UTQFN
9 10
HPWR
FSEL
PBSTAT
PGOOD
ON
NTC
CHRG
SW1
BVIN
SW2
V
BUS
SUSP
V
OUT
BA
T
PROG
FB1
FB2
P
WR_ON2
P
WR_ON1
STBY
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
LEAD FREE FINISH
TAPE AND REEL
PART MARKING
PACKAGE DESCRIPTION
TEMPERATURE RANGE
LTC3554EPD#PBF
LTC3554EPD#TRPBF
FDPT
20-Lead (3mm × 3mm) Plastic UTQFN
–40°C to 85°C
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/
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