LT1952
24
1952f
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2004
LT/TP 0804 1K • PRINTED IN USA
RELATED PARTS
PART NUMBER DESCRIPTION COMMENTS
LT1681/LT3781 Synchronous Forward Controllers High Efficiency 2-Switch Forward Control
LT1698 Secondary Synchronous Rectifier Controller Use for Isolated Power Supplies, Contains Voltage Margining, Optocoupler
Driver, Synchronization Circuit with the Primary Side, Error Amplifier
LT1725 General Purpose Isolated Flyback Controller Drives External Power MOSFET, Senses Output Voltage Directly from
Primary Side Switching — No Optoisolator Required, 16-pin SSOP
LT1950 Single Switch Forward Controller 3V ≤ V
IN
≤ 25V, 25W to 500W, Adaptive Max Duty Cycle Clamp, Programmable
Slope Compensation, Low 100mV Sense Threshold, 16-Pin SSOP
LTC3722-1/LTC3722-2 Dual Mode Phase Modulated Full-Bridge Controllers ZVS Full-Bridge Controllers
LTC3723-1/LTC3723-2 Synchronous Push-Pull PWM Controllers High Efficiency Push-Pull PWM
LTC3803 SOT-23 Flyback Controller Adjustable Slope Compensation, Internal Soft-Start, 200kHz
LTC3806 Synchronous Flyback Controller Excellent Cross Regulation, High Efficiency, Multiple Outputs
LTC3900 Synchronous Rectifier Driver for Use for Isolated Power Supplies, 4.5V ≤ V
IN
≤ 11V, N-channel
Forward Converters Synchronous MOSFET Driver, Programmable Timeout, Reverse Inductor
Current Sense, 16-pin SSOP
PACKAGE DESCRIPTIO
U
GN Package
16-Lead Plastic SSOP (Narrow .150 Inch)
(Reference LTC DWG # 05-08-1641)
GN16 (SSOP) 0204
12
3
4
5
6
7
8
.229 – .244
(5.817 – 6.198)
.150 – .157**
(3.810 – 3.988)
16
15
14
13
.189 – .196*
(4.801 – 4.978)
12 11 10
9
.016 – .050
(0.406 – 1.270)
.015 ± .004
(0.38 ± 0.10)
× 45°
0° – 8° TYP
.007 – .0098
(0.178 – 0.249)
.0532 – .0688
(1.35 – 1.75)
.008 – .012
(0.203 – 0.305)
TYP
.004 – .0098
(0.102 – 0.249)
.0250
(0.635)
BSC
.009
(0.229)
REF
.254 MIN
RECOMMENDED SOLDER PAD LAYOUT
.150 – .165
.0250 BSC.0165 ± .0015
.045 ±.005
*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
INCHES
(MILLIMETERS)
NOTE:
1. CONTROLLING DIMENSION: INCHES
2. DIMENSIONS ARE IN
3. DRAWING NOT TO SCALE
