LT3505EMS8E#PBF Linear Technology, LT3505EMS8E#PBF Datasheet - Page 24

• Manufacturer Part Number: LT3505EMS8E#PBF
• Description: IC REG SW STP DWN 1.2A 8-MSOP
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LT3505EMS8E#PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: No
• Number Of Outputs: 1
• Voltage - Output: 0.78 ~ 33.8 V
• Current - Output: 1.2A
• Frequency - Switching: 200kHz ~ 3MHz
• Voltage - Input: 3.6 ~ 36 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP Exposed Pad, 8-HMSOP, 8-eMSOP
• Dc To Dc Converter Type: Step Down
• Pin Count: 8
• Input Voltage: 36V
• Output Voltage: 0.78 to 33.84V
• Switching Freq: 200 TO 3000KHz
• Output Current: 1.2A
• Package Type: MSOP EP
• Output Type: Adjustable
• Switching Regulator: Yes
• Line Regulation: 0.007%/V(Typ)
• Mounting: Surface Mount
• Input Voltage (min): 3.6V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant

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TYPICAL APPLICATIONS
LT3505
PART NUMBER
LT1766
LT1767
LT1933
LT1936
LT1940
LT1976/LT1977
LT3434/LT3435
LT3437
LT3493
Burst Mode is a registered trademark of Linear Technology Corporation.
24
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
DESCRIPTION
60V, 1.2A (I
DC/DC Converter
25V, 1.2A (I
DC/DC Converter
500mA (I
SOT-23
36V, 1.4A (I
DC/DC Converter
Dual 25V, 1.4A (I
DC/DC Converter
60V, 1.2A (I
Down DC/DC Converters with Burst Mode
60V, 2.4A (I
Down DC/DC Converters with Burst Mode Operation
60V, 400mA (I
Converter with Burst Mode Operation
36V, 1.2A (I
DC/DC Converter
4V TO 36V
"
ON OFF
FAX: [phone]
OUT
2.2µF
V
IN
OUT
OUT
OUT
OUT
OUT
OUT
), 500kHz, Step-Down Switching Regulator in
OUT
), 200kHz, High Effi ciency Step-Down
), 1.25MHz, High Effi ciency Step-Down
), 500kHz, High Effi ciency Step-Down
), 200kHz/500kHz, High Effi ciency Step-
), 200kHz/500kHz, High Effi ciency Step-
), 750kHz, High Effi ciency Step-Down
OUT
), Micropower Step-Down DC/DC
), 1.1MHz, High Effi ciency Step-Down
V
SHDN
R
IN
T
226k
#"#
www.linear.com
LT3505
GND
300kHz, 3.3V Step-Down Converter
BOOST
SW
®
FB
V
Operation
C
100k
150pF
0.47µF 22µH
MBRM140
1N4148
COMMENTS
V
TSSOP16/TSSOP16E Packages
V
MS8E Package
V
TSSOP16/TSSOP16E Packages
V
MS8E Package
V
TSSOP16E Package
V
TSSOP16E Package
V
TSSOP16E Package
V
DFN Package
V
DFN Package
IN
IN
IN
IN
IN
IN
IN
IN
IN
: 5.5V to 60V, V
: 3V to 25V, V
: 3.6V to 36V, V
: 3.6V to 36V, V
: 3.6V to 25V, V
: 3.3V to 60V, V
: 3.3V to 60V, V
: 3.3V to 60V, V
: 3.6V to 36V, V
36.5k
11.3k
OUT(MIN)
100pF
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
OUT(MIN)
= 1.20V, I
3505 TA06
= 1.2V, I
= 1.25V, I
= 1.20V, I
= 1.25V, I
= 1.25V, I
= 1.25V, I
= 1.25V, I
= 0.78V, I
68µF
KEMET
A700D686M010ATE015
V
3.3V
1A, V
1.2A, V
OUT
IN
© LINEAR TECHNOLOGY CORPORATION 2006
IN
> 5V
Q
Q
> 8.5V
= 1mA, I
Q
Q
Q
Q
Q
Q
Q
= 2.5mA, I
= 1.6mA, I
= 1.9mA, I
= 3.8mA, I
= 100µA, I
= 100µA, I
= 100µA, I
= 1.9mA, I
LT 0807 REV C • PRINTED IN USA
SD
SD
< 6µA,
SD
SD
SD
SD
SD
SD
SD
< 25µA,
< 1µA,
< 1µA,
< 30µA,
< 1µA,
< 1µA,
= <1µA,
< 2µA,
3505fc