LT3507H 查看數據表（PDF） - Linear Technology
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LT3507H Datasheet PDF : 28 Pages
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LT3507
TYPICAL APPLICATIONS
12V to 5V, 3.3V, 1.8V and 1.6V with 1.5mm Maximum Height
VIN
8V TO 16V
VOUT1
1.8V
2A
L1 2μH
22.6k
33μF
18.2k
D1
13.3k
10μF
0.1μF
VIN1 VIN2 VIN3 VINSW
BOOST1
UVLO
SW1
OVLO
FB1
1000pF
1.5nF
VC1
TRK/SS1
PGOOD1
PGOOD2
PGOOD3
BOOST3
VOUT2
3.3V
1.5A
L2 4.5μH
41.2k
10μF
13.3k
D2
7.32k
BOOST2
SW3
0.1μF
SW2
LT3507
FB3
FB2
2000pF
VC3
VC2
1.5nF
TRK/SS3
TRK/SS2
BIAS
D1: DIODES, INC. DFLS220L
SHDN
D2, D3: DIODES, INC. DFLS120L
L1: COOPER SD14-2R0-R
31.6k
L2, L3: COOPER SD14-4R5-R
Q1: ON SEMI NSS30071MR6T1G
RUN1
RUN2
RUN3
DRIVE
FB4
RT/SYNC
TRK/SS4
GND
fSW = 1.25MHz
49.9k
49.9k
4.02k
11.3k
OVLO = 17V
UVLO = 7V
VOUT1
VOUT2
0.1μF
1200pF
100k 100k 100k
PGOOD1
PGOOD2
PGOOD3
L3 4.5μH
61.9k
VOUT2
VOUT3
5V
1.4A
D3
10μF
1.5nF 11.3k
11.8k
VOUT2
2.2nF
VOUT1
Q1
20.0k
20.0k
VOUT4
1.6V
0.2A
22μF
3507 TA03
RELATED PARTS
PART NUMBER DESCRIPTION
COMMENTS
LT1939
25V, 2A, 2.5MHz High Efficiency DC/DC Converter and LDO Controller
VIN(MIN) = 3.6V, VIN(MAX) = 25V, VOUT(MIN) = 0.8V, IQ = 2.5mA,
ISD < 10μA, 3 × 3 DFN-10 Package
LT1940
Dual 25V, 1.4A (IOUT), 1.1MHz, High Efficiency Step-Down DC/DC
Converter
VIN(MIN) = 3.3V, VIN(MAX) = 25V, VOUT(MIN) = 1.20V,
IQ = 3.8mA, ISD < 30μA, TSSOP16E Package
LT3480
36V with Transient Protection to 60V, 2A (IOUT), 2.4MHz, High Efficiency VIN(MIN) = 3.6V, VIN(MAX) = 38V, VOUT(MIN) = 0.78V, IQ = 70μA,
Step-Down DC/DC Converter with Burst Mode Operation
ISD < 1μA, 3 × 3 DFN-10, MSOP-10E Package
LT3481
34V with Transient Protection to 36V, 2A (IOUT), 2.8MHz, High Efficiency VIN(MIN) = 3.6V, VIN(MAX) = 34V, VOUT(MIN) = 1.26V, IQ = 50μA,
Step-Down DC/DC Converter with Burst Mode Operation
ISD < 1μA, 3 × 3 DFN-10, MSOP-10E Package
LT3493
36V, 1.4A (IOUT), 750kHz High Efficiency Step-Down DC/DC Converter
VIN(MIN) = 3.6V, VIN(MAX) = 36V, VOUT(MIN) = 0.8V, IQ = 1.9mA,
ISD < 1μA, 2 × 3 DFN-6 Package
LT3500
36V, 40Vmax, 2A, 2.5MHz High Efficiency DC/DC Converter and LDO
Controller
VIN(MIN) = 3.6V, VIN(MAX) = 36V, VOUT(MIN) = 0.8V, IQ = 2.5mA,
ISD < 10μA, 3 × 3 DFN-10 Package
LT3501/10
25V, Dual 3A/2A (IOUT), 1.5MHz High Efficiency Step-Down DC/DC
Converter
VIN(MIN) = 3.3V, VIN(MAX) = 25V, VOUT(MIN) = 0.8V, IQ = 3.7mA,
ISD = 10μA, TSSOP-20E Package
LT3505
36V with Transient Protection to 40V, 1.4A (IOUT), 3MHz, High Efficiency VIN(MIN) = 3.6V, VIN(MAX) = 34V, VOUT(MIN) = 0.78V, IQ = 2mA,
Step-Down DC/DC Converter
ISD = 2μA, 3 × 3 DFN-8, MSOP-8E Package
LT3506/A
25V, Dual 1.6A (IOUT), 575kHz,/1.1MHz High Efficiency Step-Down
DC/DC Converter
VIN(MIN) = 3.6V, VIN(MAX) = 25V, VOUT(MIN) = 0.8V, IQ = 3.8mA,
ISD = 30μA, TSSOP-16E, 5 × 4 DFN-16 Package
LT3508
36V with Transient Protection to 40V, Dual 1.4A (IOUT), 3MHz, High
Efficiency Step-Down DC/DC Converter
VIN(MIN) = 3.7V, VIN(MAX) = 37V, VOUT(MIN) = 0.8V, IQ = 4.6mA,
ISD = 1μA, 4 × 4 QFN-24, TSSOP-16E Package
LT3684
34V with Transient Protection to 36V, 2A (IOUT), 2.8MHz, High Efficiency VIN(MIN) = 3.6V, VIN(MAX) = 34V, VOUT(MIN) = 1.26V,
Step-Down DC/DC Converter
IQ = 850μA, ISD < 1μA, 3 × 3 DFN-10, MSOP-10E Package
LT3685
36V with Transient Protection to 60V, 2A (IOUT), 2.4MHz, High Efficiency VIN(MIN) = 3.6V, VIN(MAX) = 38V, VOUT(MIN) = 0.78V, IQ = 70μA,
Step-Down DC/DC Converter
ISD < 1μA, 3 × 3 DFN-10, MSOP-10E Package
ThinSOT is a trademark of Linear Technology Corporation. Burst Mode is a registered trademark of Linear Technology Corporation.
3507f
28 Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
LT 0408 • PRINTED IN USA
© LINEAR TECHNOLOGY CORPORATION 2008
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