LTC1530IS8-1.9 查看數據表（PDF） - Linear Technology
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LTC1530IS8-1.9 Datasheet PDF : 24 Pages
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LTC1530
TYPICAL APPLICATION
LTC1530 – 5V to 2.5V, 5A Inverting Polarity Converter
(OPTIONAL)
Z1
1N4742A
R8 MBRS130
4.7Ω
GND
MBRS130
+
C4
10µF
CIN +
1500µF
6.3V
×3
C1
1000pF
C5
0.1µF
RSENSE
0.02Ω
L1
R6 R7 2.5µH
2k 22Ω
156
PVCC IMAX IFB
4 COMP
8
G1
Q1
LTC1530-ADJ
RC
5.6k
7
G2
GND
CC
0.1µF
2
VSENSE
3
C8
0.22µF
Q2
Z2
BZX55C6V2
1/2W, 6.2V
R10
1k
R9
10k
Q4
2N3904
+ COUT
1500µF
6.3V
×3
R11
10k R13
1k
Q5
2N3904
R12
C10
40k
1µF
VIN = –5V
CIN, COUT = 3× SANYO 6MV1500GX
L1 = PANASONIC ETQP6F2R5HA PCC-N6
Q1,Q2 = SILICONIX SUD50N03-10
RSENSE = DALE LVR-1, 1W
HARD CURRENT LIMIT CIRCUIT
(OPTIONAL)
*FOR HIGHER OUTPUT VOLTAGE (EX 3.3V),
INCREASE R8 TO 20Ω AND INSTALL Z1
VOUT*
2.5V
5A
R1
C9
1.5K Q3
1µF
2N3906
GND
R2
1k
1530 TA06
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PolyPhase is a trademark of Linear Technology Corporation.
24 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408)432-1900 q FAX:(408)434-0507 q www.linear-tech.com
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 PVCC ≤ 20V,
1.8V to 3.5V Output
Constant Frequency, Standby 5V and 3.3V LDOs,
3.5V ≤ VIN ≤ 36V
Expandable from 2-Phase to 12-Phase, Uses All
Surface Mount Components, No Heat Sink
550kHz, No Sense Resistor
Current Mode, VIN to 36V, IOUT Up to 42A,
VOUT from 1.3V to 3.5V
Drives Synchronous N-Channel FETs, VIN ≤ 36V
Synchronous N-Channel FETs, Voltage Mode PVCC ≤ 14V,
1.3V to 3.5V Output, VRM8.2 to VRM8.4
100% Duty Cycle, Up to 4A, 2.2V to 9.8V VIN
Desktop VID Codes, IOUT Up to 25A On Each Channel,
28-Lead SSOP
Up to 42A, Uses All Surface Mount Components,
No Heat Sink, 3.5V ≤ VIN ≤ 36V
1530f LT/TP 0200 4K • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 1998
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