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參數(shù)資料
| 型號： | LTC3559EUD |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 1.05 A BATTERY CHARGE CONTROLLER, 2590 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封裝： | 3 X 3 MM, PLASTIC, MO-220WEED-2, QFN-16 |
| 文件頁數(shù)： | 12/24頁 |
| 文件大小： | 302K |
| 代理商： | LTC3559EUD |
LTC3559
2
3559f
PACKAGE/ORDER INFORMATION
ELECTRICAL CHARACTERISTICS
ABSOLUTE MAXIMUM RATINGS
VCC (Transient);
t< 1ms and duty cycle< 1%.......................... –0.3V to 7V
VCC (Static) .................................................. –0.3V to 6V
BAT, CHRG, SUSP ........................................ –0.3V to 6V
HPWR, NTC, PROG....... –0.3V to Max (VCC, BAT) + 0.3V
PROG Pin current................................................1.25mA
BAT Pin Current ..........................................................1A
PVIN ................................................ –0.3V to BAT + 0.3V
EN1, EN2, MODE.......................................... –0.3V to 6V
FB1, FB2, SW1, SW2 ............–0.3V to PVIN + 0.3V or 6V
ISW1, ISW2 ......................................................600mA DC
Junction Temperature (Note 2) ............................. 125°C
Operating Temperature Range (Note 3) ... –40°C to 85°C
Storage Temperature.............................. –65°C to 125°C
(Note 1)
16 15 14 13
5
6
7
8
TOP VIEW
17
UD PACKAGE
16-LEAD (3mm
× 3mm) PLASTIC QFN
9
10
11
12
4
3
2
1
GND
BAT
MODE
FB1
HPWR
SUSP
FB2
EN2
V
CC
CHRG
PROG
NTC
EN1
SW1
PV
IN
SW2
TJMAX = 125°C, θJA = 68°C/W
EXPOSED PAD (PIN 17) IS GND, MUST BE SOLDERED TO PCB
ORDER PART NUMBER
UD PART MARKING
LTC3559EUD
LCMB
Order Options Tape and Reel: Add #TR
Lead Free: Add #PBF Lead Free Tape and Reel: Add #TRPBF
Lead Free Part Marking: http://www.linear.com/leadfree/
Consult LTC Marketing for parts specied with wider operating temperature ranges.
The
● denotes specications that apply over the full operating temperature
range, otherwise specications are at TA = 25°C.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Battery Charger. VCC = 5V, BAT = PVIN = 3.6V, RPROG = 1.74k, HPWR = 5V, SUSP = NTC = EN1 = EN2 = 0V
VCC
Input Supply Voltage
●
4.3
5.5
V
IVCC
Battery Charger Quiescent Current (Note 4) Standby Mode, Charge Terminated
Suspend Mode, VSUSP = 5V
200
8.5
400
17
μA
VFLOAT
BAT Regulated Output Voltage
0°C ≤ TA ≤ 85°C
4.179
4.165
4.200
4.221
4.235
V
ICHG
Constant Current Mode Charge Current
HPWR = 5V
HPWR = 0V
●
440
84
460
92
500
100
mA
IBAT
Battery Drain Current
Standby Mode, Charger Terminated
Shutdown, VCC < VUVLO, BAT = 4.2V
Suspend Mode, SUSP = 5V, BAT = 4.2V
–3.5
–2.5
–1.5
–7
–4
–3
μA
VUVLO
Undervoltage Lockout Threshold
BAT = 3.5V, VCC Rising
3.85
4.0
4.125
V
ΔVUVLO
Undervotlage Lockout Hystersis
BAT = 3.5V
200
mV
VDUVLO
Differential Undervoltage Lockout
Threshold
BAT = 4.2V, (VCC – BAT) Falling
30
50
70
mV
ΔVDUVLO
Differential Undervoltage Lockout
Hysteresis
BAT = 4.2V
130
mV
VPROG
PROG Pin Servo Voltage
HPWR = 5V
HPWR = 0V
BAT < VTRKL
1.000
0.200
0.100
V
hPROG
Ratio of IBAT to PROG Pin Current
800
mA/mA
ITRKL
Trickle Charge Current
BAT < VTRKL
36
46
56
mA
VTRKL
Trickle Charge Threshold Voltage
BAT Rising
2.8
2.9
3.0
V
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