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參數(shù)資料
| 型號： | LTC4011EFE#PBF |
| 廠商： | LINEAR TECHNOLOGY CORP |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | BATTERY CHARGE CONTROLLER, 615 kHz SWITCHING FREQ-MAX, PDSO20 |
| 封裝： | 4.40 MM, PLASTIC, TSSOP-20 |
| 文件頁數(shù)： | 12/24頁 |
| 文件大?。?/td> | 228K |
| 代理商： | LTC4011EFE#PBF |
2
LTC4011
4011p
ORDER PART
NUMBER
(Note 1)
VCC (Input Supply) to GND ....................... –0.3V to 40V
DCIN to GND ............................................ –0.3V to 40V
FAULT, CHRG, VCELL, VCDIV, BAT, TOC
or READY to GND .......................... –0.3V to VCC + 0.3V
SENSE to BAT ...................................................... ±0.3V
CHEM, VTEMP or TIMER to GND .............. –0.3V to 3.5V
PGND to GND ...................................................... ±0.3V
Operating Ambient Temperature Range
(Note 2) .................................................. – 40°C to 85°C
Operating Junction Temperature (Note 3) ........... 125°C
Storage Temperature Range ................. – 65°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300°C
LTC4011EFE
TJMAX = 125°C, θJA = 38°C/W
EXPOSED PAD (PIN 21) IS GND. MUST BE SOLDERED TO
PCB TO OBTAIN SPECIFIED THERMAL RESISTANCE
ABSOLUTE MAXIMUM RATINGS
W
WW
U
PACKAGE/ORDER INFORMATION
W
U
The
● 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.
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
FE PACKAGE
20-LEAD PLASTIC TSSOP
1
2
3
4
5
6
7
8
9
10
TOP VIEW
20
19
18
17
16
15
14
13
12
11
DCIN
FAULT
CHRG
CHEM
GND
VRT
VTEMP
VCELL
VCDIV
TIMER
INFET
READY
VCC
TGATE
PGND
BGATE
INTVDD
TOC
BAT
SENSE
21
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VCC Supply
VCC
Input Voltage Range
●
4.5
34
V
ISHDN
Shutdown Quiescent Current (Note 5)
VCC = BAT = 4.8V
5
10
A
IQ
Quiescent Current
Waiting to Charge (Pause)
●
35
mA
ICC
Operating Current
Fast Charge State, No Gate Load
●
59
mA
VUVLO
Undervoltage Threshold Voltage
VCC Increasing
●
3.95
4.2
4.45
V
VUV(HYST)
Undervoltage Hysteresis Voltage
170
mV
VSHDNI
Shutdown Threshold Voltage
DCIN – VCC, DCIN Increasing
●
20
30
42
mV
VSHDND
Shutdown Threshold Voltage
DCIN – VCC, DCIN Decreasing
●
–45
–25
–15
mV
VCE
Charge Enable Threshold Voltage
VCC – BAT, VCC Increasing
●
400
510
600
mV
INTVDD Regulator
VDD
Output Voltage
No Load
●
4.5
5
5.5
V
IDD
Short-Circuit Current (Note 6)
INTVDD = 0V
●
–100
–50
–28
mA
INTVDD(MIN)
Output Voltage
VCC = 4.5V, IDD = –10mA
●
3.85
V
Thermistor Termination
VRT
Output Voltage
RL = 10k
3.125
3.3
3.475
V
●
3.05
3.55
V
IRT
Short-Circuit Current
VRT = 0V
●
–9
–1
mA
PWM Current Source
VFS
BAT – SENSE Full-Scale Regulation
0.3V < BAT < VCC – 0.3V (Note 5)
95
100
105
mV
Voltage (Fast Charge)
BAT = 4.8V
●
95
100
105
mV
VPC
BAT – SENSE Precharge Regulation
0.3V < BAT < VCC – 0.3V (Note 5)
16
20
24
mV
Voltage
BAT = 4.8V
●
16
20
24
mV
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