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参数资料
| 型号： | LTC3559EUD |
| 厂商： | LINEAR TECHNOLOGY CORP |
| 元件分类： | 稳压器 |
| 英文描述： | 1.05 A BATTERY CHARGE CONTROLLER, 2590 kHz SWITCHING FREQ-MAX, PQCC16 |
| 封装： | 3 X 3 MM, PLASTIC, MO-220WEED-2, QFN-16 |
| 文件页数： | 18/24页 |
| 文件大小： | 302K |
| 代理商： | LTC3559EUD |
LTC3559
3
3559f
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
ΔVTRKL
Trickle Charge Hysteresis Voltage
100
mV
ΔVRECHRG
Recharge Battery Threshold Voltage
Threshold Voltage Relative to VFLOAT
–85
–100
–130
mV
tRECHRG
Recharge Comparator Filter Time
BAT Falling
1.7
ms
tTERM
Safety Timer Termination Period
BAT = VFLOAT
3.5
4
4.5
Hour
tBADBAT
Bad Battery Termination Time
BAT < VTRKL
0.4
0.5
0.6
Hour
hC/10
End-of-Charge Indication Current Ratio
(Note 5)
0.085
0.1
0.11
mA/mA
tC/10
End-of-Charge Comparator Filter Time
IBAT Falling
2.2
ms
RON(CHG)
Battery Charger Power FET On-Resistance
(Between VCC and BAT)
IBAT = 190mA
500
m
Ω
TLIM
Junction Temperature in Constant
Temperature Mode
105
°C
NTC
VCOLD
Cold Temperature Fault Threshold Voltage Rising NTC Voltage
Hysteresis
75
76.5
1.6
78
%VCC
VHOT
Hot Temperature Fault Threshold Voltage
Falling NTC Voltage
Hysteresis
33.4
34.9
1.6
36.4
%VCC
VDIS
NTC Disable Threshold Voltage
Falling NTC Voltage
Hysteresis
●
0.7
1.7
50
2.7
%VCC
mV
INTC
NTC Leakage Current
VNTC = VCC = 5V
–1
1
μA
Logic (HPWR, SUSP, CHRG)
VIL
Input Low Voltage
HPWR, SUSP Pins
0.4
V
VIH
Input High Voltage
HPWR, SUSP Pins
1.2
V
RDN
Logic Pin Pull-Down Resistance
HPWR, SUSP Pins
●
1.9
4
6.3
M
Ω
VCHRG
CHRG Pin Output Low Voltage
ICHRG = 5mA
100
250
mV
ICHRG
CHRG Pin Input Current
BAT = 4.5V, VCHRG = 5V
0
1
μA
Buck Switching Regulators, BAT = PVIN = 3.8V, EN1 = EN2 = 3.8V
PVIN
Input Supply Voltage
●
34.2
V
IPVIN
Pulse Skip Supply Current
Burst Mode Supply Current
Shutdown Supply Current
Supply Current in UVLO
VFB = 0.82V, MODE = 0 (One Buck Enabled) (Note 6)
VFB = 0.82V, MODE = 1 (One Buck Enabled) (Note 6)
EN1 = EN2 = 0V
PVIN = 2.0V
●
220
35
0
4
400
50
2
8
μA
PVIN UVLO PVIN Falling
PVIN Rising
2.45
2.55
V
fOSC
Switching Frequency
MODE = 0V
1.91
2.25
2.59
MHz
VIL
Input Low Voltage
MODE, EN1, EN2
0.4
V
VIH
Input High Voltage
MODE, EN1, EN2
1.2
V
ILIMSW
Peak PMOS Current Limit
MODE = 0V or 3.8V
550
800
1050
mA
IOUT
Available Output Current
MODE = 0V or 3.8V
400
mA
VFB
Feedback Voltage
●
780
800
820
mV
IFB
FB Input Current
FB1, FB2 = 0.82V
–0.05
0.05
μA
DMAX
Maximum Duty Cycle
FB1, FB2 = 0V
100
%
RPMOS
RDS(ON) of PMOS
ISW = 100mA
0.65
Ω
RNMOS
RDS(ON) of NMOS
ISW = –100mA
0.75
Ω
RSW(PD)
SW Pull-Down in Shutdown
13
k
Ω
ELECTRICAL CHARACTERISTICS The ● denotes specications that apply over the full operating temperature
range, otherwise specications are at TA = 25°C.
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