LTC3407EDD-2 Linear Technology, LTC3407EDD-2 Datasheet - Page 14

• Manufacturer Part Number: LTC3407EDD-2
• Description: IC REG DC/DC DUAL STEPDOWN 10DFN
• Manufacturer: Linear Technology
• Type: Step-Down (Buck)r

Specifications of LTC3407EDD-2

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 2
• Voltage - Output: 0.6 ~ 5 V
• Current - Output: 1A
• Frequency - Switching: 1.5MHz
• Voltage - Input: 2.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 10-DFN
• Lead Free Status / RoHS Status: Contains lead / RoHS non-compliant
• Power - Output: -

TYPICAL APPLICATIONS
LTC3407-2
V
PACKAGE DESCRIPTION
14
3.55 ±0.05
OUT2
AT 800mA
= 3.3V
2.15 ±0.05
4.7μF
C3
V
2
IN
TO 5.5V
C1, C2, C3: TDK C1608X5ROJ475M
L1, L2: CMD4D11-2R2
*IF C1 IS GREATER THAN 3" FROM POWER SOURCE,
= 3.6V
NOTE:
1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WEED-2).
2. DRAWING NOT TO SCALE
3. ALL DIMENSIONS ARE IN MILLIMETERS
4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE
5. EXPOSED PAD SHALL BE SOLDER PLATED
6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE
ADDITIONAL CAPACITANCE MAY BE REQUIRED.
RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS
CHECK THE LTC WEBSITE DATA SHEET FOR CURRENT STATUS OF VARIATION ASSIGNMENT
MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE
TOP AND BOTTOM OF PACKAGE
0.25 ± 0.05
1.65 ±0.05
(2 SIDES)
C5, 22pF
887k
R4
C1*
4.7μF
2.2μH
1.2mm Height Core Supply
L2
R3
196k
2.38 ±0.05
(2 SIDES)
MODE/SYNC
SW2
V
RUN2
FB2
0.50
BSC
LTC3407-2
GND
V
IN
0.70 ±0.05
PACKAGE
OUTLINE
RUN1
SW1
POR
V
FB1
(Reference LTC DWG # 05-08-1699 Rev B)
10-Lead Plastic DFN (3mm × 3mm)
301k
R1
2.2μH
(SEE NOTE 6)
R5
100k
L1
TOP MARK
C4, 22pF
604k
POWER-ON
RESET
R2
PIN 1
0.200 REF
DD Package
3407 TA07
C2
4.7μF
V
AT 800mA
OUT1
2
= 1.8V
3.00 ±0.10
0.75 ±0.05
(4 SIDES)
100
95
90
85
80
75
70
65
60
0.00 – 0.05
1
V
Burst Mode OPERATION
NO LOAD ON OTHER CHANNEL
IN
Effi ciency vs Load Current
= 5V
1.65 ± 0.10
(2 SIDES)
LOAD CURRENT (mA)
10
BOTTOM VIEW—EXPOSED PAD
5
R = 0.125
6
2.38 ±0.10
(2 SIDES)
TYP
100
3.3V
1.8V
10
1
0.50 BSC
0.25 ± 0.05
3407 TA08
0.40 ± 0.10
1000
(DD) DFN REV B 0309
34072fc