LT3505EMS8E#PBF Linear Technology, LT3505EMS8E#PBF Datasheet - Page 22

• 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

LT3505
TYPICAL APPLICATIONS
22
13.5V TO 36V
4.2V TO 36V
ON OFF
ON OFF
3.3µF
V
V
IN
IN
1µF
*FOR CONTINUOUS OPERATION ABOVE 30V,
USE TWO 2k, 0.25W RESISTORS IN PARALLEL
V
SHDN
R
IN
T
V
SHDN
R
54.9k
IN
T
75.0k
LT3505
BOOST
GND
LT3505
750kHz, 3.3V Step-Down Converter
GND
1MHz, 12V Step-Down Converter
0.1µF
SW
BOOST
V
FB
C
100k
SW
FB
V
22pF
C
69.8k
70pF
CMDZ5235B
MBRM140
0.25W
15µH
1k*
0.1µF 10µH
6V
MBRM140
1N4148
71.5k
4.99k
1N4148
36.5k
11.3k
22pF
3505 TA05
68pF
10µF
V
12V
1A, V
1.1A, V
OUT
IN
3505 TA04
IN
> 16.5V
10µF
V
3.3V
1.1A, V
1.2A, V
> 20.5V
OUT
IN
IN
> 5V
> 8V
3505fc