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LTC3250ES6-1.2#TRPBF

P1-P3P4-P6P7-P9P10-P12
LTC3250-1.5/LTC3250-1.2
10
3250fa
3250 TA05a
LTC3250-1.2
V
IN
3-CELL NiMH
V
IN
= 2.7V TO 5V
SHDN
C
+
C
–
V
OUT
4
3
2
1
5
6
GND
ON
OFF
1µF
4.7µF
1µF
V
OUT
= 1.2V ±4%
3250 TA02a
LTC3250-1.5
V
IN
V
IN
= 3.3V
SHDN
C
+
C
–
V
OUT
4
3
2
1
5
6
GND
ON
OFF
1µF
4.7µF
V
OUT
= 1.5V ±4%
1µF
I
OUT
(mA)
10.1
EFFICIENCY (%)
1000
3250 TA02b
10
100
100
90
80
70
60
50
40
30
20
10
0
V
IN
= 3.3V
T
A
= 25°C
3250 TA03a
LTC3250-1.5
V
IN
1-CELL Li-Ion OR
3-CELL NiMH
SHDN
C
+
C
–
V
OUT
4
3
2
1
5
6
GND
ON
OFF
1µF
1µF
4.7µF
V
OUT
= 1.5V ±4%
I
OUT
(mA)
10.1
EFFICIENCY (%)
1000
3250 TA03b
10
100
100
90
80
70
60
50
40
30
20
10
0
V
IN
= 3.6V
V
IN
= 4V
V
IN
= 5V
T
A
= 25°C
TYPICAL APPLICATIO S
U
Efficiency vs Output Current
Efficiency vs Output Current
Fixed 3.3V Input to 1.5V Output with Shutdown
Li-Ion or 3-Cell NiMH to 1.5V Output with Shutdown
Efficiency vs Input Voltage
(I
OUT
= 100mA)
3-Cell NiMH to 1.2V Output with Shutdown
V
IN
(V)
3.22.7
EFFICIENCY (%)
5.24.7
3250 TA05b
3.7
4.2
100
90
80
70
60
50
40
30
20
10
0
LTC3250
LDO
T
A
= 25°C
LTC3250-1.5/LTC3250-1.2
11
3250fa
PACKAGE DESCRIPTIO
U
S6 Package
6-Lead Plastic TSOT-23
(Reference LTC DWG # 05-08-1636)
1.50 – 1.75
(NOTE 4)
2.80 BSC
0.30 – 0.45
6 PLCS (NOTE 3)
DATUM ‘A’
0.09 – 0.20
(NOTE 3)
S6 TSOT-23 0302
2.90 BSC
(NOTE 4)
0.95 BSC
1.90 BSC
0.80 – 0.90
1.00 MAX
0.01 – 0.10
0.20 BSC
0.30 – 0.50 REF
PIN ONE ID
NOTE:
1. DIMENSIONS ARE IN MILLIMETERS
2. DRAWING NOT TO SCALE
3. DIMENSIONS ARE INCLUSIVE OF PLATING
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
3.85 MAX
0.62
MAX
0.95
REF
RECOMMENDED SOLDER PAD LAYOUT
PER IPC CALCULATOR
1.4 MIN
2.62 REF
1.22 REF
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.
LTC3250-1.5/LTC3250-1.2
12
3250fa
PART NUMBER DESCRIPTION COMMENTS
LTC1514 50mA, 650kHz, Step Up/Down Charge Pump V
IN
: 2.7V to 10V, V
OUT
: 3V/5V,
with Low Battery Comparator Regulated Output, I
Q
: 60µA, I
SD
: 10µA, S8 Package
LTC1515 50mA, 650kHz, Step Up/Down Charge Pump V
IN
: 2.7V to 10V, V
OUT
: 3.3V or 5V,
with Power On Reset Regulated Output, I
Q
: 60µA, I
SD
: <1µA, S8 Package
LT1776 500mA (I
OUT
), 200kHz, High Efficiency Step-Down 90% Efficiency, V
IN
: 7.4V to 40V, V
OUT(MIN)
: 1.24V,
DC/DC Converter I
Q
: 3.2mA, I
SD
: 30µA, N8,S8 Packages
LTC1911-1.5/LTC1911-1.8 250mA,1.5MHz, High Efficiency Step-Down 75% Efficiency, V
IN
: 2.7V to 5.5V, V
OUT
: 1.5V/1.8V,
Charge Pump Regulated Output, I
Q
: 180µA, I
SD
: 10µA, MS8 Package
LTC3251 500mA, Spread Spectrum, High Efficiency Up to 90% Efficiency, V
IN
: 2.7V to 5.5V, V
OUT
: 0.9V to 1.6V,
Step-Down Charge Pump Regulated Output, I
Q
: 9µA, I
SD
: <1µA, MS Package
LTC3252 Dual 250mA (I
OUT
), Spread Spectrum, Inductorless (CS), Up to 90% Efficiency, V
IN
: 2.7V to 5.5V, V
OUT
: 0.9V to 1.6V,
Step-Down DC/DC Converter I
Q
: 60µA, I
SD
: <1µA, DFN Package
LTC3405/LTC3405A 300mA (I
OUT
), 1.5MHz, Synchronous Step-Down 95% Efficiency, V
IN
: 2.7V to 6V, V
OUT(MIN)
: 0.8V,
DC/DC Converter I
Q
: 20µA, I
SD
: <1µA, ThinSOT Package
LTC3406/LTC3406B 600mA (I
OUT
), 1.5MHz, Synchronous Step-Down 95% Efficiency, V
IN
: 2.5 to 5.5V, V
OUT(MIN)
: 0.6V,
DC/DC Converter I
Q
: 20µA, I
SD
: <1µA, ThinSOT Package
LTC3411 1.25A (I
OUT
), 4MHz, Synchronous Step-Down 95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
: 0.8V,
DC/DC Converter I
Q
: 60µA, I
SD
: <1µA, MS Package
LTC3412 2.5A (I
OUT
), 4MHz, Synchronous Step-Down 95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT(MIN)
: 0.8V,
DC/DC Converter I
Q
: 60µA, I
SD
: <1µA, TSSOP16E Package
LTC3440 600mA (I
OUT
), 2MHz, Synchronous Buck-Boost 95% Efficiency, V
IN
: 2.5V to 5.5V, V
OUT
: 2.5V to 5.5V,
DC/DC Converter I
Q
: 25µA, I
SD
: <1µA, MS Package
LTC3441 1.2A (I
OUT
), 1MHz, Synchronous Buck-Boost 95% Efficiency, V
IN
: 2.4V to 5.5V, V
OUT
: 2.4V to 5.25V,
DC/DC Converter I
Q
: 25µA, I
SD
: <1µA, DFN Package
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
(408) 432-1900
●
FAX: (408) 434-0507
●
www.linear.com
LINEAR TECHNOLOGY CORPORATION 2001
LT/TP 1203 1K REV A • PRINTED IN USA
RELATED PARTS
U
TYPICAL APPLICATIO
3250-1.5 TA04
V
IN
MODE
SHDN
RT
GND
OUT
SW1
SW2
FB
V
C
LTC3440
7
2
8
1
5
6
3
4
9
10
10µH
V
IN
SHDN
GND
V
OUT
C
+
C
–
LTC3200-5
340k
200k
V
IN
SHDN
C2
+
C2
–
OUT
C1
+
C1
–
GND
LTC1911-1.8
V
IN
OUT
C
+
C
–
SHDN
GND
LTC3250-1.5
10µF
1µF
1µF
1µF
1µF
1µF
22µF
10µF
4.7µF
1µF
10µF
1µF
ON
OFF
Li-Ion
5V
100mA
3.3V
500mA
1.8V
250mA
1.5V
250mA
300pF
120k
60k
5
3
2
1
6
4
1
8
2
3
6
7
5
4
5
6
4
1
3
2
Multiple High Efficiency Outputs from Single Li-Ion Battery
P1-P3P4-P6P7-P9P10-P12

LTC3250ES6-1.2#TRPBF

Mfr. #:
Buy LTC3250ES6-1.2#TRPBF
Manufacturer:
Analog Devices / Linear Technology
Description:
Switching Voltage Regulators 1.2V out High Efficiency, Low Noise Inductorless
Lifecycle:
New from this manufacturer.
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