ltc3824 Linear Technology Corporation, ltc3824 Datasheet - Page 12

• Manufacturer Part Number: ltc3824
• Description: High Voltage Step-down Controller With 40?a Quiescent Current
• Manufacturer: Linear Technology Corporation

LTC3824
TYPICAL APPLICATION
RELATED PARTS
PART NUMBER
LTC1624
LT1976
LT3724
LTC3703/LTC3703-5
LT3800
LT3844
12
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
36V Current Mode Controller
60V Monolithic Regulator
60V Current Mode DC/DC Controller
100V and 60V Synchronous Controllers
60V Current Mode Step-Down Controller, Synchronous
60V Current Mode Step-Down Controller
4.5V to
100V
33μF
C
60V
IN1
●
301k
V
IN
FAX: [phone]
+
0.1μF
C
2.2μF
100V
IN2
SYNC/MODE
R
GND
SS
SET
LTC3824
●
CAP
www.linear.com
V
C
15k
C
0.1μF
1000pF
SENSE
CAP
GATE
V
V
CC
FB
3V 2A Buck Converter
100pF
Q1
R
0.025Ω
D1
S
C
C
C
L1: D104C919AS-330M
D1: SS3H9
Q1: Si7465DP
33μH
100pF
IN1
IN2
OUT
L1
COMMENTS
3.5V ≤ V
3.3V ≤ V
4V ≤ V
High Effi ciency; Buck or BOOST Topology
4V ≤ V
Synchronizable, Adjustable Frequency; 4V ≤ V
: SANYO 63MV68AX
: TDK C4532X7R2A225M
: SANYO OSCON, 16SP270M, TDKC2012X7RIC105K
IN
IN
51Ω
IN
IN
≤ 60V; 1.223V ≤ V
≤ 60V; 0.8V ≤ V
≤ 36V; N-Channel MOSFET; S8
≤ 60V; 1.5A Peak Switch Current
223k
80.6k
+
C
270μF
OUT
OUT
OUT
≤ 36V; 16-Lead TSSOP
≤ 36V; 200kHz
© LINEAR TECHNOLOGY CORPORATION 2006
1μF
16V
V
AT 2A
OUT?
3824 TA02a
3V
LT 0108 REV B • PRINTED IN USA
IN
≤ 60V
3824fb