LTC1530C Linear Technology, LTC1530C Datasheet - Page 24

• Manufacturer Part Number: LTC1530C
• Description: High Power Synchronous Switching Regulator Controller
• Manufacturer: Linear Technology

LTC1530
TYPICAL
RELATED PARTS
PART NUMBER
LTC1266
LTC1430A
LTC1553
LTC1628
LTC1629
LTC1702
LTC1709
LTC1735
LTC1753
LTC1772
LTC1873
LTC1929
PolyPhase is a trademark of Linear Technology Corporation.
24
1500 F
6.3V
C
IN
3
+
C
L1 = PANASONIC ETQP6F2R5HA PCC-N6
Q1,Q2 = SILICONIX SUD50N03-10
R
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone] FAX: [phone] www.linear-tech.com
IN
SENSE
, C
+
OUT
= DALE LVR-1, 1W
APPLICATION
DESCRIPTION
Current Mode Step-Up/Down Switching Regulator Controller
High Power Step-Down Switching Regulator Controller
5-Bit Programmable Synchronous Switching Regulator
Controller for Pentium II Processor
Dual High Efficiency Low Noise Synchronous Step-Down
Switching Regulator
20A to 200A PolyPhase
No R
2-Phase Synchronous Controller with 5-Bit VID
High Efficiency Synchronous Step-Down Switching Regulator
5-Bit Programmable Synchronous Switching Regulator
Controller for Pentium II and Pentium III Processors
SOT-23 Step-Down Controller
Dual 550kHz 2-Phase Synchronous Controller with 5-Bit VID
2-Phase Synchronous Controller
1000pF
C4
10 F
= 3
C1
SENSE
(OPTIONAL)
SANYO 6MV1500GX
1N4742A
Z1
2-Phase Dual Synchronous Step-Down Controller
R
5.6k
C
C
0.1 F
C
C5
0.1 F
4
V
IN
COMP
TM
PV
GND
= –5V
U
LTC1530-ADJ
Synchronous Controller
CC
1
2
LTC1530 – 5V to 2.5V, 5A Inverting Polarity Converter
I
MAX
4.7
R8
5
R6
2k
V
SENSE
I
*FOR HIGHER OUTPUT VOLTAGE (EX 3.3V),
FB
INCREASE R8 TO 20 AND INSTALL Z1
3
MBRS130
6
G1
G2
R7
22
8
7
R
0.02
SENSE
2.5 H
L1
Q1
Q2
MBRS130
C8
0.22 F
GND
R9
10k
Z2
BZX55C6V2
1/2W, 6.2V
R10
1k
HARD CURRENT LIMIT CIRCUIT
Q4
2N3904
COMMENTS
Synchronous N- or P-Channel FETs,
Comparator/Low-Battery Detector
Synchronous N-Channel FETs, 3.3V to 2.5V Conversion
Synchronous N-Channel FETs, Voltage Mode PV
1.8V to 3.5V Output
Constant Frequency, Standby 5V and 3.3V LDOs,
3.5V V
Expandable from 2-Phase to 12-Phase, Uses All
Surface Mount Components, No Heat Sink
550kHz, No Sense Resistor
Current Mode, V
V
Drives Synchronous N-Channel FETs, V
Synchronous N-Channel FETs, Voltage Mode PV
1.3V to 3.5V Output, VRM8.2 to VRM8.4
100% Duty Cycle, Up to 4A, 2.2V to 9.8V V
Desktop VID Codes, I
28-Lead SSOP
Up to 42A, Uses All Surface Mount Components,
No Heat Sink, 3.5V V
OUT
(OPTIONAL)
from 1.3V to 3.5V
R11
10k
R12
40k
IN
+
R13
1k
36V
IN
C10
1 F
C
1500 F
6.3V
OUT
3
to 36V, I
OUT
Q5
2N3904
LINEAR TECHNOLOGY CORPORATION 1998
IN
Up to 25A On Each Channel,
1530f LT/TP 0200 4K • PRINTED IN USA
OUT
36V
Up to 42A,
1.5K
R1
1530 TA06
IN
R2
1k
Q3
2N3906
GND
IN
36V
CC
CC
V
2.5V
5A
OUT
C9
1 F
20V,
14V,
*