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參數(shù)資料
| 型號(hào)： | LTC4011CFE#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | High Efficiency Standalone Nickel Battery Charger; Package: TSSOP; No of Pins: 16; Temperature Range: 0°C to +70°C |
| 中文描述： | BATTERY CHARGE CONTROLLER, 640 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | 4.40 MM, LEAD FREE, PLASTIC, TSSOP-20 |
| 文件頁(yè)數(shù)： | 20/26頁(yè) |
| 文件大?。?/td> | 653K |
| 代理商： | LTC4011CFE#PBF |
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LTC4011
4011fb
elecTrical characTerisTics
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Thermistor Termination
VRT
Output Voltage
RL = 10k
l
3.075
3
3.3
3.525
3.6
V
IRT
Short-Circuit Current
VRT = 0V
l
–9
–1
mA
PWM Current Source
VFS
BAT – SENSE Full-Scale Regulation
Voltage (Fast Charge)
0.3V < BAT < VCC – 0.3V (Note 5)
BAT = 4.8V
l
95
100
105
mV
VPC
BAT – SENSE Precharge Regulation Voltage 0.3V < BAT < VCC – 0.3V (Note 5)
BAT = 4.8V
l
16
20
24
mV
VTC
BAT – SENSE Top-Off Charge
Regulation Voltage
0.3V < BAT < VCC – 0.3V (Note 5)
BAT = 4.8V
l
6.5
10
13.5
mV
VLI
BAT – SENSE Line Regulation
5.5V < VCC < 25V, Fast Charge
±0.3
mV
IBAT
BAT Input Bias Current
0.3V < BAT < VCC – 0.1V
–2
2
mA
ISENSE
SENSE Input Bias Current
SENSE = BAT
50
150
A
IOFF
Input Bias Current
SENSE or BAT, VCELL = 0V
l
–1
0
1
A
fTYP
Typical Switching Frequency
l
460
550
640
kHz
fMIN
Minimum Switching Frequency
l
20
30
kHz
DCMAX
Maximum Duty Cycle
98
99
%
VOL(TG)
TGATE Output Voltage Low
(VCC – TGATE, Note 7)
VCC > 9V, No Load
VCC < 7V, No Load
l
5
VCC–0.5
5.6
VCC
8.75
V
VOH(TG)
TGATE Output Voltage High
VCC – TGATE, No Load
l
0
50
mV
tR(TG)
TGATE Rise Time
CLOAD = 3nF, 10% to 90%
35
100
ns
tF(TG)
TGATE Fall Time
CLOAD = 3nF, 10% to 90%
45
100
ns
VOL(BG)
BGATE Output Voltage Low
No Load
l
0
50
mV
VOH(BG)
BGATE Output Voltage High
No Load
l
INTVDD–0.075 INTVDD
V
tR(BG)
BGATE Rise Time
CLOAD = 1.6nF, 10% to 90%
35
80
ns
tF(BG)
BGATE Fall Time
CLOAD = 1.6nF, 10% to 90%
15
80
ns
ADC Inputs
ILEAK
Analog Channel Leakage
0V < VCELL < 2V, 550mV < VTEMP < 2V
±100
nA
Charger Thresholds
VBP
Battery Present Threshold Voltage
l
320
350
370
mV
VBOV
Battery Overvoltage
l
1.815
1.95
2.085
V
VMFC
Minimum Fast Charge Voltage
l
850
900
950
mV
VFCBF
Fast Charge Battery Fault Voltage
l
1.17
1.22
1.27
V
VTERM
–V Termination
CHEM OPEN (NiCd)
CHEM = 0V (NiMH)
l
16
6
20
10
25
14
mV
VAR
Automatic Recharge Voltage
VCELL Decreasing
l
1.260
1.325
1.390
V
TTERM
TTermination(Note8)
CHEM = 3.3V (NiCd)
CHEM = 0V (NiMH)
l
1.3
0.5
2
1
2.7
1.5
°C/min
TMIN
Minimum Charging Temperature (Note 8)
VTEMP Increasing
l
0
5
9
°C
TMAXI
Maximum Charge Initiation
Temperature (Note 8)
VTEMP Decreasing, Not Charging
l
41.5
45
47
°C
The l indicates specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. VCC = 12V, BAT = 4.8V, GND = PGND = 0V, unless otherwise noted.
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| LTC4011CFETR | 制造商:LINER 制造商全稱:Linear Technology 功能描述:High Efficiency Standalone Nickel Battery Charger |
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