LTC4110EUHF LINER [Linear Technology], LTC4110EUHF Datasheet - Page 5

• Manufacturer Part Number: LTC4110EUHF
• Description: Battery Backup System Manager
• Manufacturer: LINER [Linear Technology]

ELECTRICAL CHARACTERISTICS
SYMBOL
Input and Battery Ideal Diodes and Switches
V
V
V
V
V
t
t
t
t
PWM Flyback Converter
V
V
V
t
t
F
SafetySignal Decoder and Thermistor Interface
SS
SS
SS
SS
V
V
V
temperature range, otherwise specifi cations are at T
GND = SGND = CLP = CLN = SHDN = 0V and R
are negative. All voltages are referenced to GND, unless otherwise specifi ed.
IIDON
IIDOFF
BIDON
BIDOFF
R
F
PWM
FR
REV
GON
GOFF
FO
OHF
OLF
OLFX
HOT
HOTH
REM
OR
CLD
IDL
HOT
PARAMETER
Forward Regulation Voltage (V
V
Reverse Voltage Turn-Off Voltage
(V
“ON” Gate Clamping Voltage (V
V
“OFF” Gate Voltage (V
BATID Fast-On Voltage Comparator Threshold I
INID Pin Delay Times
Turn “ON”
Turn “OFF”
BATID Pin Delay Times
Turn “ON”
Turn “OFF”
CHGFET, DCHFET High
CHGFET, DCHFET Low
CHGFET, DCHFET in Shutdown and Backup
Modes
CHGFET, DCHFET Transition Times
Rise Time
Fall Time
PWM Oscillator Switching Frequency
SafetySignal Decoder
SafetySignal Trip
(RES_COLD/RES_OR)
SafetySignal Decoder
SafetySignal Trip
(RES_IDEAL/RES_COLD)
SafetySignal Decoder
SafetySignal Trip
(RES_HOT/RES_IDEAL)
SafetySignal Decoder
SafetySignal Trip
(RES_UR/RES_HOT)
THB Pin Hot Threshold Voltage
THB Pin Hot Threshold Hysteresis Voltage
THB Pin Battery Removal Threshold Voltage
BAT
BAT
DCIN
-V
-V
-V
DCOUT
BATID
DCOUT
)
)
, V
BAT
-V
DCIN
DCOUT
-V
INID
)
DCIN
DCIN
, V
BAT
-V
-V
DCOUT
INID
VREF
-V
BATID
,
,
= 49.9k. All currents into device pins are positive and all currents out of device pins
) I
A
= 25°C. Unless otherwise specifi ed, V
CONDITIONS
2.7V ≤ V
2.7V ≤ V
I
V
C
DCIN is Switched Between 12.2V and 11.8V
From DCOUT – V
From DCOUT – V
C
BAT is Switched Between 12.2V and 11.8V
From DCOUT – V
From DCOUT – V
I
I
V
Mode), V
I
C
C
R
= 54.9k ±1%.
Smart Batteries and Li-Ion Only
R
= 54.9k ±1%
Smart Batteries and Li-Ion Only
R
= 54.9k ±1%
Smart Batteries and Li-Ion Only
R
= 54.9k ±1%
Smart Batteries and Li-Ion Only
V
V
V
INID
INID
BATID
CHGFET
CHGFET
CHGFET
THB
THB
THB
SHDN
INID
BATID
DCIN
LOAD
LOAD
THA
THA
THA
THA
, I
, I
Decreasing; Lead Acid Only
Increasing; Lead Acid Only
Increasing; Lead Acid Only
The
= 1130Ω ±1%, C
= 1130Ω ±1%, C
= 1130Ω ±1%, C
= 1130Ω ±1%, C
= 10nF
= V
BATID
BATID
> 500μA
= 1.6nF , 10% to 90%
= 1.6nF , 10% to 90%
= 0V and V
= 2.5nF
, I
, I
, I
DCIN
DCIN
DCIN
DCHFET
DCHFET
DCHFET
DCDIV
l
= –10μA
= 1μA
denotes the specifi cations which apply over the full operating
≤ 19V
≤ 19V
= V
= V
= –1mA
= 1mA
= 1μA
DCDIV
GOFF
GON
GOFF
GON
DCIN
DCOUT
to DCOUT –1.5V
to DCOUT –1.5V
to DCOUT –6V
to DCOUT –6V
= 0V (Backup Mode)
TH
TH
TH
TH
(Shutdown)
= 0V (Shutdown
= 1nF (Note 6) R
= 1nF (Note 6) R
= 1nF (Note 6) R
= 1nF (Note 6) R
THB
THB
THB
THB
DCIN
l
l
l
l
l
l
l
l
l
= V
DCOUT
0.28 •
0.90 •
V
V
MIN
28.5
2.85
–30
255
425
4.5
10
45
95
THA
THA
7
= V
DCDIV
0.30 •
0.94 •
4.75
V
V
TYP
–18
450
300
100
500
8.3
20
15
35
15
30
50
THA
THA
8
8
3
LTC4110
= 12V, V
0.36 •
0.96 •
MAX
V
V
0.25
5.25
31.5
3.15
100
700
100
340
105
575
9.7
32
–8
20
60
20
50
65
65
THA
THA
BAT
= 8.4V,
UNITS
4110fa
5
kHz
mV
mV
mV
mV
mV
mV
μs
μs
μs
μs
ns
ns
Ω
V
V
V
V
V
k
k
k