LT1505CG Linear Technology, LT1505CG Datasheet - Page 8

• 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

BLOCK
LT1505
V
V
8
CC
IN
SHDN
SYNC 4
FLAG 13
CAP 12
V
UV
CC
24
7
5
GBIAS
7V
+
+
4U
DIAGRAM
BAT
E6
1.3V
6
6.7V
–
+
–
+
SHOT
ONE
AGND
0.2V
–
+
+
E4
E5
+
+
–
+
+
–
200k
OSC
3.3V
E1
E2
18
W
I
I
VA
4
E7
PROG
V
SHUTDOWN
C
PWM
S
–
6.7V
(LT1505)
R8
75k
R
C1
+
E3
0.02V
+
SLOPE COMP
VR
+
–
S1
4V
+
SW
SHUTDOWN
+
E8
+
–
R2
R3
–
+
A12
CA2
A4
A6
C
+
–
B1
PROG
A13
–
+
V
REF
Q3
19
A5
A7
BGATE
2.5V
R
7V
R1
1k
PROG
V
PROG
I
CC
Q4
Q2
PROG
V
+
+
IN
I
7.8V
VA
Q1
+
–
–
+
8
A10
A8
INFET
A2
A3
11
CL1*
VA
COMP1
+
–
+
–
CA1
A9
V
CC
9.1V
+
–
*LT1505 ONLY. SEE PIN FUNCTIONS
V
2.465V
R4
50.55k
R5
21k
92mV
FOR LT1505-1 CONNECTIONS
REF
A1
+
+
A11
I
PROG
R6
0.33k
R7
12.3k
+
–
50k
50k
1505 BD
26
27
28
25
22
21
23
20
16
17
14 4.1V
15
10
1
2
3
9
TGATE
4.7 F
BOOST
SW
GBIAS
BGATE
PGND
BOOSTC
SPIN
SENSE
BAT
BAT2
3CELL
V
4.2V
CLP
CLN
FB
C3
SYSTEM
LOAD
V
R
CC
V
S
CC
M1
M2
V
10 H
IN
I
R
R
L1
BAT
S3
S2
C2
1 F
+
VR
R
S1
S1
–
+
12.6V
BATTERY
1505fc