LTC3406B-2 Linear Technology, LTC3406B-2 Datasheet - Page 11

• Manufacturer Part Number: LTC3406B-2
• Description: (LTC3406B-1/-2) 600mA Synchronous Step-Down Regulator in ThinSOT
• Manufacturer: Linear Technology

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TYPICAL APPLICATIO S
PACKAGE DESCRIPTIO
4
100
90
80
70
60
50
40
30
20
10
0.1
Efficiency vs Output Current
V
IN
= 2.7V
V
1
IN
OUTPUT CURRENT (mA)
0.20 BSC
= 3.6V
NOTE:
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
V
IN
= 4.2V
3.85 MAX
DATUM ‘A’
10
2.62 REF
100
RECOMMENDED SOLDER PAD LAYOUT
3406B12 TA03
Information furnished by Linear Technology Corporation is believed to be accurate and reliable.
However, no responsibility is assumed for its use. Linear Technology Corporation makes no represen-
tation that the interconnection of its circuits as described herein will not infringe on existing patent rights.
Single Li-Ion 1.2V/600mA Regulator for Lowest Profile, ≤1mm High
MAX
0.62
1000
PER IPC CALCULATOR
0.30 – 0.50 REF
U
2.7V TO 4.2V
U
0.95
REF
V
AC COUPLED
IN
100mV/DIV
500mA/DIV
500mA/DIV
4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR
5. MOLD FLASH SHALL NOT EXCEED 0.254mm
6. JEDEC PACKAGE REFERENCE IS MO-193
(Reference LTC DWG # 05-08-1635)
I
V
LOAD
1.22 REF
1.4 MIN
OUT
C
4.7µF
CER
I
L
0.09 – 0.20
IN
(NOTE 3)
5-Lead Plastic TSOT-23
**
V
I
LOAD
IN
= 3.6V
4
1
= 0mA TO 600mA
S5 Package
V
LTC3406B-1.2
RUN
2.80 BSC
IN
GND
Load Step
2
1.00 MAX
V
20µs/DIV
OUT
SW
1.50 – 1.75
(NOTE 4)
**
*
0.80 – 0.90
3406B12 TA02
†
3
5
PIN ONE
MURATA GRM219R60JI06KE19B
AVX06036D475MAT
FDK MIPW3226D2R2M
2.2µH
0.95 BSC
†
3406B12 TA04
C
10µF
CER
OUT1
*
2.90 BSC
(NOTE 4)
1.90 BSC
V
1.2V
OUT
AC COUPLED
100mV/DIV
500mA/DIV
500mA/DIV
I
V
LOAD
OUT
I
L
V
I
LOAD
IN
S5 TSOT-23 0302
= 3.6V
= 200mA TO 600mA
0.30 – 0.45 TYP
5 PLCS (NOTE 3)
0.01 – 0.10
LTC3406B-1.2
Load Step
20µs/DIV
sn3406b12 3406b12fs
11
3406B12 TA05