LTC1265CS Linear Technology, LTC1265CS Datasheet - Page 16

• Manufacturer Part Number: LTC1265CS
• Description: IC DC/DC CONV STEP-DOWN 14-SOIC
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC1265CS

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 1.25 ~ 13 V
• Current - Output: 1.2A
• Frequency - Switching: 700kHz
• Voltage - Input: 3.5 ~ 12 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 14-SOIC (3.9mm Width), 14-SOL
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

PACKAGE DESCRIPTIO
RELATED PARTS
LTC1265/LTC1265-3.3/LTC1265-5
16
TYPICAL APPLICATIO S
PART NUMBER
LTC1143
LTC1147
LTC1148HV
LTC1174
LTC1474/LTC1475 Low Quiescent Current Step-Down Regulators
LTC1574
LTC1622
LTC1627
LTC1772
(0.203 – 0.254)
**
0.008 – 0.010
*
DIMENSION DOES NOT INCLUDE MOLD FLASH. MOLD FLASH SHALL NOT EXCEED 0.006" (0.152mm) PER SIDE
DIMENSION DOES NOT INCLUDE INTERLEAD FLASH. INTERLEAD FLASH SHALL NOT EXCEED 0.010" (0.254mm) PER SIDE
TRICKLE CHARGE: > 2V
FAST CHARGE: = 0V
(0.254 – 0.508)
0.010 – 0.020
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
(0.406 – 1.270)
0.016 – 0.050
VN2222L
DESCRIPTION
Dual Step-Down Switching Regulator Controller
Step-Down Switching Regulator Controller
Step-Down Switching Regulator Controller
Step-Down Switching Regulator with Internal 0.5A Switch
Step-Down Switching Regulator with Internal 0.5A Switch
and Schottky Diode
Low Input Voltage Step-Down DC/DC Controller
Monolithic Synchronous Step-Down Switching Regulator
Constant Frequency Step-Down DC/DC Controller
45
51
8V TO 12.5V
3300pF
0 – 8 TYP
270pF
V
(1.346 – 1.752)
IN
0.053 – 0.069
(0.355 – 0.483)
0.014 – 0.019
1k
U
TYP
4
3
5
6
7
U
LB
LB
C
I
SENSE
THR
14-Lead Plastic Small Outline (Narrow 0.150)
T
V
IN
OUT
IN
2
LTC1265
Dimension in inches (millimeters) unless otherwise noted.
1000pF
–
PWR V
SENSE
PGND
SGND
SHDN
1, 13
SW
V
FB
IN
4-NiCad Battery Charger
+
(LTC DWG # 05-08-1610)
14
12
11
10
9
8
(1.270)
0.050
BSC
S Package
CHARGER
ON/OFF
0.1 F
+
(0.101 – 0.254)
COMMENTS
Dual Version of LTC1147
Nonsynchronous, 8-Pin, V
Synchronous, V
V
Monolithic, I
V
Constant Frequency, 2V to 10V V
Constant Frequency, I
SOT-23, 2.2V to 9.8V V
0.004 – 0.010
C
22 F, 25V
IN
IN
IN
*
100pF
MBRS130LT3
18.5V, Comparator/Low Battery Detector
18.5V, Comparator
(5.791 – 6.197)
0.228 – 0.244
0.10
R
SENSE
Q
†
= 40 A, 400mA, MS8
IN
100 H
L1
**
††
*
MANUFACTURER
COILCRAFT
COILTRONICS
SUMIDA
†
††
20V
14
1
DALE 593D226X0025D2W
DALE 593D107X0016E2W
DALE WSL2010-0.10-1%
L1 SELECTION
OUT
IN
to 500mA, 2.65V to 8.5V V
13
IN
2
30k
138k
126535fb LT/LCG 0800 2K REV B • PRINTED IN USA
16V
12
3
+
(8.560 – 8.738)
IN
MBRS130LT3
0.337 – 0.344*
, MS8
C
100 F
10V
OUT
PART NO.
DO3316-104
CTX100-4P
CD105-101
LINEAR TECHNOLOGY CORPORATION 1995
11
4
**
LTC1265 TA08
10
5
V
4 NICAD
1A FAST CHARGE
0.1A TRICKLE CHARGE
OUT
9
6
IN
8
7
(3.810 – 3.988)
0.150 – 0.157**
S14 1298