參數(shù)資料
型號(hào): LTC4000EUFD#TRPBF
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): 34/40頁
文件大小: 428K
代理商: LTC4000EUFD#TRPBF
LTC4000
4
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
Charge Termination
CX Pin Pull-Up Current
VCX = 0.1V
l
–5.5
–5.0
–4.5
A
VCX,IBMON(OS)
CX Comparator Offset Voltage, IBMON Falling
VCX = 0.1V
l
0.5
10
25
mV
VCX,IBMON(HYS)
CX Comparator Hysteresis Voltage
5
mV
TMR Pull-Up Current
VTMR = 0V
–5.0
μA
TMR Pull-Down Current
VTMR = 1.5V
5.0
μA
TMR Pin Frequency
CTMR = 0.01μF
400
500
600
Hz
TMR Threshold for CX Termination
l
2.1
2.5
V
tT
Charge Termination Time
CTMR = 0.1μF
l
2.3
2.9
3.5
h
tT/tBB
Ratio of Charge Terminate Time to Bad Battery
Indicator Time
CTMR = 0.1μF
l
3.95
4
4.05
h/h
VNTC(COLD)
NTC Cold Threshold
VNTC Rising, % of VBIAS
l
73
75
77
%
VNTC(HOT)
NTC Hot Threshold
VNTC Falling, % of VBIAS
l
33
35
37
%
VNTC(HYS)
NTC Thresholds Hysteresis
% of VBIAS
5
%
VNTC(OPEN)
NTC Open Circuit Voltage
% of VBIAS
l
45
50
55
%
RNTC(OPEN)
NTC Open Circuit Input Resistance
300
Voltage Monitoring and Open Drain Status Pins
VVM(TH)
VM Input Falling Threshold
l
1.181
1.193
1.204
V
VVM(HYS)
VM Input Hysteresis
40
mV
VM Input Current
VVM = 1.2V
±0.1
A
IRST,CHRG,FLT(LKG) Open Drain Status Pins Leakage Current
VPIN = 60V
±1
A
VRST,CHRG,FLT(VOL) Open Drain Status Pins Voltage Output Low
IPIN = 1mA
l
0.4
V
Input PowerPath Control
Input PowerPath Forward Regulation Voltage
VIID,CSP, 3V ≤ VCSP ≤ 60V
l
0.1
8
20
mV
Input PowerPath Fast Reverse Turn-Off
Threshold Voltage
VIID,CSP, 3V ≤ VCSP ≤ 60V,
VIGATE = VCSP – 2.5V,
IIGATE/ VIID,CSP ≥ 100μA/mV
l
–90
–50
–20
mV
Input PowerPath Fast Forward Turn-On
Threshold Voltage
VIID,CSP, 3V ≤ VCSP ≤ 60V,
VIGATE = VIID – 1.5V,
IIGATE/ VIID,CSP ≥ 100μA/mV
l
40
80
130
mV
Input Gate Turn-Off Current
VIID = VCSP, VIGATE = VCSP – 1.5V
–0.3
μA
Input Gate Turn-On Current
VCSP = VIID – 20mV,
VIGATE = VIID – 1.5V
0.3
μA
IIGATE(FASTOFF)
Input Gate Fast Turn-Off Current
VCSP = VIID + 0.1V,
VIGATE = VCSP – 5V
–0.5
mA
IIGATE(FASTON)
Input Gate Fast Turn-On Current
VCSP = VIID – 0.1V,
VIGATE = VIID – 1.5V
0.7
mA
VIGATE(ON)
Input Gate Clamp Voltage
IIGATE = 2A, VIID = 12V to 60V,
VCSP = VIID – 0.5V, Measure
VIID – VIGATE
l
13
15
V
Input Gate Off Voltage
IIGATE = – 2μA, VIID = 3V to 59.9V,
VCSP = VIID + 0.5V, Measure
VCSP – VIGATE
l
0.45
0.7
V
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