LT1505CG Linear Technology, LT1505CG Datasheet - Page 2

• Manufacturer Part Number: LT1505CG
• Description: IC BATT CHARGER CONST I/V 28SSOP
• Manufacturer: Linear Technology

Specifications of LT1505CG

• Function: Charge Management
• Battery Type: Li-Ion, NiCd, NiMH
• Voltage - Supply: 11 V ~ 24 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 28-SSOP (0.200", 5.30mm Width)
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant

ABSOLUTE
PACKAGE/ORDER
LT1505
V
SW Voltage with Respect to GND ........................... – 2V
BOOST, BOOSTC Voltage with Respect to V
GBIAS ..................................................................... 10V
SYNC, BAT2, BAT, SENSE, SPIN ............................ 20V
V
CAP, SHDN .......................................................... 3mA
Consult LTC Marketing for parts specified with wider operating temperature ranges.
temperature range, otherwise specifications are at T
outputs unless otherwise noted.
PARAMETER
Overall
Supply Current
Sense Amplifier CA1 Gain and Input Offset Voltage
(With R
(Measured across R
BOOST Pin Current
BOOSTC Pin Current
Reference
Reference Voltage (Note 3)
Reference Voltage Tolerance
2
ELECTRICAL CHARACTERISTICS
CC
C
, PROG, V
, CLP, CLN, INFET, UV, 3CELL, FLAG................ 27V
S2
COMP1
BOOST
TGATE
SHDN
AGND
SYNC
INFET
FLAG
4.1V
CLN
CAP
CLP
= 200 , R
SW
UV
T
JMAX
28-LEAD PLASTIC SSOP
10
11
12
13
14
1
2
3
4
5
6
7
8
9
FB
= 125 C,
, 4.1V, 4.2V ........................................ 7V
G PACKAGE
TOP VIEW
S1
S3
, Figure 1) (Note 2)
= 200 )
W
MAXIMUM
JA
= 100 C/ W
28
27
26
25
24
23
22
21
20
19
18
17
16
15
PGND
BGATE
GBIAS
BOOSTC
V
BAT
SPIN
SENSE
BAT2
PROG
V
V
3CELL
4.2V
CC
C
FB
W W
INFORMATION
U
RATINGS
W
ORDER PART
LT1505CG
CONDITIONS
V
11V V
V
V
R
Supplying I
11V V
NUMBER
CC
CC
BOOST
BOOSTC
U
PROG
TGATE High
TGATE Low
A
R
R
R
....... 10V
PROG
PROG
PROG
= 25 C. V
24V
= 4.93k, Measured at V
= V
CC
CC
= V
The
= 4.93k
= 4.93k
= 49.3k
SW
PROG
U
CC
(Note 1)
24V , 0V V
24V
+ 8V, 0V V
+ 8V
CC
and Switching Off
denotes specifications which apply over the full operating
= 18V, V
TGATE, BGATE Current Continuous ....................... 0.2A
TGATE, BGATE Output Energy (per cycle) ............... 2 J
Maximum Operating V
Operating Ambient Temperature Range ....... 0 C to 70 C
Operating Junction Temperature Range .... 0 C to 125 C
Storage Temperature Range ................. – 65 C to 150 C
Lead Temperature (Soldering, 10 sec).................. 300 C
BAT
SW
BAT
BOOST
TGATE
FB
SHDN
AGND
SYNC
INFET
FLAG
20V
GND
4.1V
CAP
SW
UV
NC
NC
20V
with V
T
= 12.6V, V
JMAX
28-LEAD PLASTIC SSOP
10
11
12
13
14
1
2
3
4
5
6
7
8
9
= 125 C,
A
G PACKAGE
TOP VIEW
CLN
JA
= 100 C/ W
= V
28
27
26
25
24
23
22
21
20
19
18
17
16
15
CC
CC
PGND
BGATE
GBIAS
BOOSTC
V
BAT
SPIN
SENSE
BAT2
PROG
V
V
3CELL
4.2V
CC
C
FB
(LT1505), no load on any
......................................... 24V
2.453
2.441
MIN
95
92
7
2.465
TYP
100
12
10
2
2
1
NOTE: LT1505CG-1 DOES NOT
HAVE INPUT CURRENT
LIMITING FUNCTION.
ORDER PART
LT1505CG-1
NUMBER
2.477
2.489
MAX
105
108
15
13
3
3
UNITS
1505fc
mA
mV
mV
mV
mA
mA
mA
V
V