LTC4090EDJC(RevA) 查看數據表（PDF） - Linear Technology
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LTC4090EDJC
(Rev.:RevA)
(Rev.:RevA)
Linear Technology
LTC4090EDJC Datasheet PDF : 28 Pages
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LTC4090/LTC4090-5
ELECTRICAL CHARACTERISTICS The ● denotes the specifications which apply over the full operating
temperature range, otherwise specifications are at TA = 25°C. HVIN = HVEN = 12V, BOOST = 17V, VIN = HPWR = 5V, VBAT = 3.7V,
RPROG = 100k, RCLPROG = 2k and SUSP = 0V, unless otherwise noted.
SYMBOL
tTIMER
PARAMETER
TIMER Accuracy
Recharge Time
CONDITIONS
VBAT = 4.3V
Percent of Total Charge Time
MIN
TYP
–10
50
MAX UNITS
10
%
%
Low Battery Trickle Charge Time
Percent of Total Charge Time,
VBAT <2.9V
TLIM
Junction Temperature in Constant
Temperature Mode
Internal Ideal Diode
RFWD
RDIO, ON
VFWD
Incremental Resistance, VON Regulation
On-Resistance VBAT to VOUT
Voltage Forward Drop (VBAT – VOUT)
VOFF
Diode Disable Battery Voltage
IFWD
Load Current Limit for VON Regulation
ID(MAX)
Diode Current Limit
External Ideal Diode
IOUT = 100mA
IOUT = 600mA
IOUT = 5mA
IOUT = 100mA
IOUT = 600mA
25
105
125
215
● 10
30
55
160
2.7
550
2.2
%
°C
mΩ
mΩ
50
mV
mV
mV
V
mA
A
VFWD, EXT External Diode Forward Voltage
Logic (⎯C⎯H⎯R⎯G, ⎯H⎯V⎯P⎯R, TIMER, SUSP, HPWR, HVEN, PG, SYNC)
VCHG, SD
Charger Shutdown Threshold Voltage
on TIMER
ICHG, SD
VOL
Charger Shutdown Pull-Up Current on
TIMER
Output Low Voltage
VTIMER = 0V
(⎯C⎯H⎯R⎯G, ⎯H⎯V⎯P⎯R); ISINK = 5mA
VIH
VIL
VHVEN, H
VHVEN, L
IPULLDN
Input High Voltage
Input Low Voltage
HVEN High Threshold
HVEN Low Threshold
Logic Input Pull-Down Current
SUSP, HPWR
SUSP, HPWR
SUSP, HPWR
IHVEN
VPG
ΔVPG
IPGLK
HVEN Pin Bias Current
PG Threshold
PG Hysteresis
PG Leakage
HVEN = 2.5V
HVOUT Rising
PG = 5V
IPG
VSYNC, L
VSYNC, H
ISYNC
PG Sink Current
SYNC Low Threshold
SYNC High Threshold
SYNC Pin Bias Current
PG = 0.4V
VSYNC = 0V
20
● 0.14
●5
14
●
0.1
1.2
2.3
2
5
2.8
35
0.1
● 100
900
0.5
0.1
mV
0.4
V
μA
0.4
V
V
0.4
V
V
0.3
V
μA
10
μA
V
mV
1
μA
μA
V
0.8
V
μA
4090fa
4
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