lt3724 Linear Technology Corporation, lt3724 Datasheet - Page 24

• Manufacturer Part Number: lt3724
• Description: High Voltage, Current Mode Switching Regulator Controller
• Manufacturer: Linear Technology Corporation

LT3724
TYPICAL APPLICATIO S
PART NUMBER
LT1339
LTC1624
LTC1702A
LTC1735
LTC1778
LT3010
LT3430/LT3431
LTC3703/LTC3703-5
LT3800
24
RELATED PARTS
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
High Power Synchronous DC/DC Controller
Switching Controller
Dual 2-Phase Synchronous DC/DC Controller
Synchronous Step-Down DC/DC Controller
No R
50mA, 3V to 80V Linear Regulator
Monolithic 3A, 200kHz/500kHz Step-Down Regulator
100V Synchronous Switching Regulator Controllers
High Voltage Synchronous Regulator Controller
D1 = BAV99
D2 = ON SEMI, MBRD350
L1 = COEV, DU1311-470M
M1 = VISHAY, Si7370DP
C
C
88.7k
IN1
OUT1
10.2k
R1
●
= SANYO, 50CV220KX
R2
SENSE
FAX: [phone]
= SANYO, 16SVP330M
18V TO 36V
1000pF
680pF
Synchronous DC/DC Controller
C
C
SS
C2
V
IN
U
R6, 40.2k
R3
2M
120pF
0.1μF
R
200k
●
CSS
C
www.linear.com
C1
1
3
4
6
7
8
Inverting –12V 1.5A Converter
V
SHDN
C
V
V
GND
IN
SS
FB
C
LT3724
SENSE
SENSE
BOOST
PGND
V
SW
TG
CC
+
–
16
15
14
12
11
10
9
COMMENTS
V
Buck, Boost, SEPIC, 3.5V ≤ V
550kHz Operation, No R
3.5V = <V
4V = <V
1.275V = <V
8-Lead MSOP Package
5.5V = <V
No R
V
16-Lead TSSOP FE Package
D1A
IN
IN
1μF
16V
up to 60V, Drivers 10000pF Gate Capacitance, I
up to 60V, I
SENSE
IN
= <36V, Fast Transient Response, Current Mode, I
0.1μF
16V
IN
IN
, Voltage Mode Control, GN16 Package
D1B
= <36V, 0.8V = <V
OUT
= <60V, 0.1Ω Saturation Switch, 16-Lead SSOP Package
OUT
= <60V, No Protection Diode Required,
M1
= <20A, Current Mode,
D2
0.040Ω
R
47μH
SENSE
SENSE
L1
IN
, 3V = <V
3724 TA05
OUT
≤ 36V; 8-Lead SO Package
© LINEAR TECHNOLOGY CORPORATION 2005
= <6V, Current Mode, I
+
IN
C
220μF
50V
= <7V, I
IN1
+
C
330μF
16V
V
–12V
1.5A
OUT1
OUT
OUT
LT 0707 • PRINTED IN USA
OUT
= <20A
= <20A
OUT
OUT
= <20A
= <20A
3724fb