參數(shù)資料
型號： LTC4000IUFD#PBF
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY MANAGEMENT CKT, PQCC28
封裝： 4 X 5 MM, LEAD FREE, PLASTIC, MO-220WXXX-X, QFN-28
文件頁數(shù)： 23/40頁
文件大?。?/td> 428K
代理商： LTC4000IUFD#PBF
LTC4000
3
4000f
elecTrical characTerisTics The
l
denotes the specifications which apply over the full operating
junction temperature range, otherwise specifications are at TA = 25°C. VIN = VCLN = 3V to 60V unless otherwise noted (Notes 2, 3).
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
VIN
Input Supply Operating Range
l
3
60
V
IIN
Input Quiescent Operating Current
0.4
mA
IBAT
Battery Pin Operating Current
VIN ≥ 3V, VCSN = VCSP ≥ VBAT
l
50
100
A
Battery Only Quiescent Current
VIN ≥ 0V, VCSN = VCSP ≥ VBAT
l
10
20
μA
Shutdown
ENC Input Voltage Low
l
0.4
V
ENC Input Voltage High
l
1.5
V
ENC Pull-Up Current
VENC = 0V
–4
–2
–0.5
A
ENC Open Circuit Voltage
VENC = Open
l
1.5
2.5
V
Voltage Regulation
VBFB_REG
Battery Feedback Voltage
l
1.133
1.125
1.136
1.139
1.147
V
BFB Input Current
VBFB = 1.2V
± 0.1
A
VOFB_REG
Output Feedback Voltage
l
1.181
1.193
1.204
V
OFB Input Current
VOFB = 1.2V
± 0.1
A
RFBG
Ground Return Feedback Resistance
l
100
400
Ω
VRECHRG(RISE)
Rising Recharge Battery Threshold Voltage
% of VBFB_REG
l
96.9
97.6
98.3
%
VRECHRG(HYS)
Recharge Battery Threshold Voltage Hysteresis % of VBFB_REG
0.5
%
VOUT(INST_ON)
Instant-On Battery Voltage Threshold
% of VBFB_REG
l
82
86
90
%
VLOBAT
Falling Low Battery Threshold Voltage
% of VBFB_REG
l
65
68
71
%
VLOBAT(HYS)
Low Battery Threshold Voltage Hysteresis
% of VBFB_REG
3
%
Current Regulation
Ratio of Monitored-Current Voltage to Sense
Voltage
VIN,CLN = 50mV, VIIMON/VIN,CLN
VCSP,CSN = 50mV, VIBMON/VCSP,CSN
l
19
20
21
V/V
VOS
Sense Voltage Offset
VCSP,CSN = 50mV, VCSP = 60V or
VIN,CLN = 50mV, VIN = 60V (Note 4)
–300
300
V
CLN Pin Current
±1
A
CSP Pin Current
VIGATE = Open, VIID = 0V
90
μA
CSN Pin Current
VBGATE = Open, VBAT = 0V
45
μA
IIL
Pull-Up Current for the Input Current Limit
Programming Pin
l
–55
–50
–45
μA
ICL
Pull-Up Current for the Charge Current Limit
Programming Pin
l
–55
–50
–45
μA
ICL_TRKL
Pull-Up Current for the Charge Current Limit
Programming Pin in Trickle Charge Mode
VBFB < VLOBAT
l
–5.5
–5.0
–4.5
μA
Input Current Monitor Resistance to GND
40
90
140
kΩ
Charge Current Monitor Resistance to GND
40
90
140
kΩ
A4, A5 Error Amp Offset for the Current Loops
(See Figure 1)
VCL = 0.8V, VIL = 0.8V
l
–10
0
10
mV
Maximum Programmable Current Limit
Voltage Range
l
0.985
1.0
1.015
V
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