LTC3789 LINER [Linear Technology], LTC3789 Datasheet - Page 3

• Manufacturer Part Number: LTC3789
• Description: High Voltage High Current Controller for Battery Charging and Power Management
• Manufacturer: LINER [Linear Technology]

elecTrical characTerisTics
junction temperature range, otherwise specifications are at T
SYMBOL
V
I
I
Shutdown
Voltage Regulation
V
V
R
V
V
V
V
V
Current Regulation
V
I
I
I
IN
BAT
IL
CL
CL_TRKL
IN
BFB_REG
OFB_REG
RECHRG(RISE)
RECHRG(HYS)
OUT(INST_ON)
LOBAT
LOBAT(HYS)
OS
FBG
PARAMETER
Input Supply Operating Range
Input Quiescent Operating Current
Battery Pin Operating Current
Battery Only Quiescent Current
ENC Input Voltage Low
ENC Input Voltage High
ENC Pull-Up Current
ENC Open Circuit Voltage
Battery Feedback Voltage
BFB Input Current
Output Feedback Voltage
OFB Input Current
Ground Return Feedback Resistance
Rising Recharge Battery Threshold Voltage
Recharge Battery Threshold Voltage Hysteresis % of V
Instant-On Battery Voltage Threshold
Falling Low Battery Threshold Voltage
Low Battery Threshold Voltage Hysteresis
Ratio of Monitored-Current Voltage to Sense
Voltage
Sense Voltage Offset
CLN Pin Current
CSP Pin Current
CSN Pin Current
Pull-Up Current for the Input Current Limit
Programming Pin
Pull-Up Current for the Charge Current Limit
Programming Pin
Pull-Up Current for the Charge Current Limit
Programming Pin in Trickle Charge Mode
Input Current Monitor Resistance to GND
Charge Current Monitor Resistance to GND
A4, A5 Error Amp Offset for the Current Loops
(See Figure 1)
Maximum Programmable Current Limit
Voltage Range
The
CONDITIONS
V
V
V
V
V
V
% of V
% of V
% of V
% of V
V
V
V
V
V
V
V
V
IN
IN
ENC
ENC
BFB
OFB
IN,CLN
CSP ,CSN
CSP ,CSN
IN,CLN
IGATE
BGATE
BFB
CL
A
≥ 3V, V
≥ 0V, V
= 25°C. V
l
= 0.8V, V
= 1.2V
= 1.2V
< V
= 0V
= Open
denotes the specifications which apply over the full operating
BFB_REG
BFB_REG
BFB_REG
BFB_REG
BFB_REG
= Open, V
= Open, V
= 50mV, V
= 50mV, V
LOBAT
= 50mV, V
= 50mV, V
CSN
CSN
IL
IN
= V
= V
= 0.8V
IID
BAT
= V
IIMON
IN
CSP
CSP
IBMON
CSP
= 0V
= 60V (Note 4)
= 0V
CLN
≥ V
≥ V
/V
= 60V or
/V
IN,CLN
BAT
BAT
= 3V to 60V unless otherwise noted (Notes 2, 3).
CSP ,CSN
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
l
1.133
1.125
1.181
0.985
–300
96.9
–5.5
MIN
–55
–55
–10
1.5
1.5
–4
82
65
19
40
40
3
1.136
1.136
1.193
± 0.1
± 0.1
97.6
–5.0
TYP
100
–50
–50
0.4
2.5
0.5
1.0
50
10
–2
86
68
20
±1
90
45
90
90
3
0
LTC4000
1.139
1.147
1.204
1.015
MAX
–0.5
98.3
–4.5
100
400
300
–45
–45
140
140
0.4
60
20
90
71
21
10
UNITS
3
4000f
V/V
mA
mV
kΩ
kΩ
μA
μA
μA
μA
µA
µA
µA
µA
µV
µA
μA
μA
%
%
%
%
%
Ω
V
V
V
V
V
V
V
V