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LT3571 Datasheet(PDF) 16 Page - Linear Technology

Part # LT3571
Description  75V DC/DC Converter for APD Bias
PDF  16 Pages
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Manufacturer  LINER [Linear Technology]
Direct Link  http://www.linear.com
Logo LINER - Linear Technology

LT3571 Datasheet(HTML) 16 Page - Linear Technology

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LT3571
16
3571fa
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900 ● FAX: (408) 434-0507 ● www.linear.com
© LINEAR TECHNOLOGY CORPORATION 2009
LT 0809 REV A • PRINTED IN USA
C1
1μF
MONIN
VREF
RT
SHDN
CTRL
GND
SYNC
VOUT
FB
VIN
SW
LT3571
MON
APD
OFF ON
VIN
3.3V
R2
18.2k
50V
RT
26.1k
500kHz
L1: TDK VLF3010AT-100MR49
C1: MURATA X7R GRM21BR71C105KA01B
C2, C3: MURATA X7R GRM188R72A104KA35
RSENSE
20Ω
3571 TA05a
R3
10k
55V
C2
0.1μF
C3
0.1μF
L1
10μH
R1
1M
RELATED PARTS
TYPICAL APPLICATIONS
PART NUMBER
DESCRIPTION
COMMENTS
LT1930/LT1930A
1A(ISW), 1.2MHz/2.2MHz High Efficiency Step-Up
DC/DC Converters
VIN: 2.6V to 16V, VOUT(MAX) = 34V, IQ = 4.2mA/5.5mA, ISD <1μA,
ThinSOT™ Package
LT3460/LT3460-1 0.3A (ISW), 1.3MHz, 650kHz High Efficiency Step-Up
DC/DC Converters
VIN: 2.5V to 16V, VOUT(MAX) = 38V, IQ = 2mA, ISD <1μA, SC70 and ThinSOT
Packages
LT3461/LT3461A
0.3A (ISW), 1.3MHz/3MHz High Efficiency
Step-Up DC/DC Converters with Integrated Schottky
VIN: 2.5V to 16V, VOUT(MAX) = 38V, IQ = 2.8mA, ISD <1μA, ThinSOT Package
LT3482
0.3A (ISW), 650k/1.1MHz Step-Up DC/DC Converter
with APD Current Monitor
VIN: 2.5V to 16V, VOUT1(MAX) = 48V, VOUT2(MAX) = 90V, IQ = 3.3mA, ISD <1μA,
3mm
× 3mm QFN Package
ThinSOT is a trademark of Linear Technology Corporation.
Input Power vs APD Current
Transient Response on Input Signal Falling Edge
(1mA to 10μA)
3.3V to 50V APD Bias Power Supply
50ns/DIV
PWM GND
PWM
1V/DIV
OUT
500mV/DIV
3571 TA05c
TFD < 100ns
IAPD = 10μA
IAPD = 1mA
OUT GND
FOR TRANSIENT RESPONSE, PLEASE REFER TO FIGURE 4
50ns/DIV
PWM GND
PWM
1V/DIV
OUT
500mV/DIV
3571 TA05d
TRD < 100ns
IAPD = 1mA
IAPD = 10μA
OUT GND
Transient Response on Input Signal Falling Edge
(10μA to 1mA)
APD CURRENT (mA)
0
450
50
400
300
200
350
250
150
100
0
1
1.5
3571 TA05b
2
0.5



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