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LTC4007 데이터시트(PDF) 2 Page - Linear Technology

부품명 LTC4007
상세설명  4A, High Efficiency, Standalone Li Battery Charger
PDF  20 Pages
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제조업체  LINER [Linear Technology]
홈페이지  http://www.linear.com
Logo LINER - Linear Technology

LTC4007 데이터시트(HTML) 2 Page - Linear Technology

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LTC4007
4007i
1
2
3
4
5
6
7
8
9
10
11
12
TOP VIEW
GN PACKAGE
24-LEAD PLASTIC SSOP
24
23
22
21
20
19
18
17
16
15
14
13
DCIN
CHG
ACP
RT
FAULT
GND
3C4C
LOBAT
NTC
ITH
PROG
NC
SHDN
INFET
BGATE
PGND
TGATE
CLN
CLP
FLAG
CHEM
BAT
CSP
ICL
(Note 1)
Voltage from DCIN, CLP, CLN to GND ....... + 32V/– 0.3V
PGND with Respect to GND .................................
±0.3V
CSP, BAT to GND ....................................... +28V/– 0.3V
CHEM, 3C4C, RT to GND .............................. +7V/–0.3V
NTC ............................................................ +10V/– 0.3V
ACP, SHDN, CHG, FLAG,
FAULT, LOBAT, ICL .............................................. + 32V/–0.3V
Operating Ambient Temperature Range
(Note 4) ............................................. – 40
°C to 85°C
Operating Junction Temperature ......... – 40
°C to 125°C
Storage Temperature Range ................. – 65
°C to 150°C
Lead Temperature (Soldering, 10 sec).................. 300
°C
ABSOLUTE MAXIMUM RATINGS
PACKAGE/ORDER INFORMATION
ORDER PART
NUMBER
LTC4007EGN
TJMAX = 125°C, θJA = 90°C/W
The q denotes specifications which apply over the full operating
temperature range (Note 4), otherwise specifications are at TA = 25°C. VDCIN = 20V, VBAT = 12V unless otherwise noted.
Consult LTC Marketing for parts specified with wider operating temperature ranges.
ELECTRICAL CHARACTERISTICS
SYMBOL
PARAMETER
CONDITIONS
MIN
TYP
MAX
UNITS
DCIN Operating Range
628
V
IQ
Operating Current
Sum of Current from CLP, CLN , DCIN
3
5
mA
VTOL
Charge Voltage Accuracy
Nominal Values: 12.3V, 12.6V, 16.4V, 16.8V
–0.8
0.8
%
(Note 2)
q
–1.0
1.0
%
ITOL
Charge Current Accuracy (Note 3)
VCSP – VBAT Target = 100mV
– 4
4
%
q
–5
5
%
VBAT < 6V, VCSP – VBAT Target = 10mV
–60
60
%
6V
≤ VBAT ≤ VLOBAT, VCSP – VBAT
–35
35
%
Target = 10mV
TTOL
Termination Timer Accuracy
RRT = 270k
q
–15
15
%
Shutdown
Battery Leakage Current
DCIN = 0V
q
15
30
µA
SHDN = 3V
q
–10
10
µA
UVLO
Undervoltage Lockout Threshold
DCIN Rising, VBAT = 0
q
4.2
4.7
5.5
V
Shutdown Threshold at SHDN
q
1
1.6
2.5
V
SHDN Pin Current
–10
µA
Operating Current in Shutdown
VSHDN = 0V, Sum of Current from CLP,
2
3
mA
CLN, DCIN
Current Sense Amplifier, CA1
Input Bias Current Into BAT Pin
11.67
µA
CMSL
CA1/I1 Input Common Mode Low
q
0V
CMSH
CA1/I1 Input Common Mode High
q
VCLN – 0.2
V



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