參數資料
型號： LTC4110EUHF#TR
廠商： LINEAR TECHNOLOGY CORP
元件分類： 電源管理
英文描述： 1-CHANNEL POWER SUPPLY SUPPORT CKT, PQCC38
封裝： 5 X 7 MM, 0.75 MM HEIGHT, PLASTIC, MO-220WHKD, QFN-38
文件頁數： 45/52頁
文件大?。?/td> 450K
代理商： LTC4110EUHF#TR
LTC4110
5
4110fb
ELECTRICAL CHARACTERISTICS The l denotes the specications which apply over the full operating
temperature range, otherwise specications are at TA = 25°C. Unless otherwise specied, VDCIN = VDCOUT = VDCDIV = 12V, VBAT = 8.4V,
GND = SGND = CLP = CLN = SHDN = 0V and RVREF = 49.9k. All currents into device pins are positive and all currents out of device pins
are negative. All voltages are referenced to GND, unless otherwise specied.
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
Input and Battery Ideal Diodes and Switches
VFR
Forward Regulation Voltage (VDCIN-VDCOUT,
VBAT -VDCOUT)
2.7V ≤ VDCIN ≤ 19V
l
10
20
32
mV
VREV
Reverse Voltage Turn-Off Voltage
(VDCIN-VDCOUT, VBAT -VDCOUT)
2.7V ≤ VDCIN ≤ 19V
l
–30
–18
–8
mV
VGON
“ON” Gate Clamping Voltage (VDCIN-VINID,
VBAT -VBATID)
IINID, IBATID = 1μA
7
8.3
9.7
V
VGOFF
“OFF” Gate Voltage (VDCIN-VINID, VBAT-VBATID)IINID, IBATID = –10μA
VSHDN = 0V and VDCIN (Shutdown)
0.25
V
VFO
BATID Fast-On Voltage Comparator Threshold
IBATID > 500μA
45
100
mV
tIIDON
tIIDOFF
INID Pin Delay Times
Turn “ON”
Turn “OFF”
CINID = 10nF
DCIN is Switched Between 12.2V and 11.8V
From DCOUT – VGOFF to DCOUT –6V
From DCOUT – VGON to DCOUT –1.5V
450
8
700
20
μs
tBIDON
tBIDOFF
BATID Pin Delay Times
Turn “ON”
Turn “OFF”
CBATID = 2.5nF
BAT is Switched Between 12.2V and 11.8V
From DCOUT – VGOFF to DCOUT –6V
From DCOUT – VGON to DCOUT –1.5V
15
8
60
20
μs
PWM Flyback Converter
VOHF
CHGFET, DCHFET High
ICHGFET, IDCHFET = –1mA
4.5
4.75
5.25
V
VOLF
CHGFET, DCHFET Low
ICHGFET, IDCHFET = 1mA
50
mV
VOLFX
CHGFET, DCHFET in Shutdown and Backup
Modes
VDCIN = VDCDIV = VDCOUT = 0V (Shutdown
Mode), VDCIN = VDCDIV = 0V (Backup Mode)
ICHGFET, IDCHFET = 1μA
100
mV
tR
tF
CHGFET, DCHFET Transition Times
Rise Time
Fall Time
CLOAD = 1.6nF, 20% to 80%
35
15
65
ns
FPWM
PWM Oscillator Switching Frequency
l
255
300
340
kHz
SafetySignal Decoder and Thermistor Interface
SSOR
SafetySignal Decoder
SafetySignal Trip
(RES_COLD/RES_OR)
RTHA = 1130Ω ±1%, CTH = 1nF (Note 6) RTHB
= 54.9k ±1%.
Smart Batteries and Li-Ion Only
l
95
100
105
k
SSCLD
SafetySignal Decoder
SafetySignal Trip
(RES_IDEAL/RES_COLD)
RTHA = 1130Ω ±1%, CTH = 1nF (Note 6) RTHB
= 54.9k ±1%
Smart Batteries and Li-Ion Only
l
28.5
30
31.5
k
SSIDL
SafetySignal Decoder
SafetySignal Trip
(RES_HOT/RES_IDEAL)
RTHA = 1130Ω ±1%, CTH = 1nF (Note 6) RTHB
= 54.9k ±1%
Smart Batteries and Li-Ion Only
l
2.85
3
3.15
k
SSHOT
SafetySignal Decoder
SafetySignal Trip
(RES_UR/RES_HOT)
RTHA = 1130Ω ±1%, CTH = 1nF (Note 6) RTHB
= 54.9k ±1%
Smart Batteries and Li-Ion Only
l
425
500
575
Ω
VHOT
THB Pin Hot Threshold Voltage
VTHB Decreasing; Lead Acid Only
l
0.28
VTHA
0.30
VTHA
0.36
VTHA
V
VHOTH
THB Pin Hot Threshold Hysteresis Voltage
VTHB Increasing; Lead Acid Only
50
mV
VREM
THB Pin Battery Removal Threshold Voltage
VTHB Increasing; Lead Acid Only
l
0.90
VTHA
0.94
VTHA
0.96
VTHA
V
相關PDF資料
PDF描述
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