LTC3458EDE#PBF Linear Technology, LTC3458EDE#PBF Datasheet - Page 16

• Manufacturer Part Number: LTC3458EDE#PBF
• Description: IC CONV DC/DC SYNC BOOST 12DFN
• Manufacturer: Linear Technology
• Type: Step-Up (Boost)r

Specifications of LTC3458EDE#PBF

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 2 ~ 7.5 V
• Current - Output: 1.4A
• Frequency - Switching: 1.5MHz
• Voltage - Input: 1.5 ~ 6 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 12-DFN
• Dc To Dc Converter Type: Step Up
• Pin Count: 12
• Input Voltage: 6V
• Output Voltage: 2 to 7.5V
• Switching Freq: 1.15MHz
• Output Current: 1.6A
• Efficiency: 93%
• Package Type: DFN EP
• Output Type: Adjustable
• Switching Regulator: Yes
• Mounting: Surface Mount
• Input Voltage (min): 1.5V
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Primary Input Voltage: 6V
• No. Of Outputs: 1
• No. Of Pins: 12
• Operating Temperature Range: -40°C To +85°C
• Msl: MSL 1 - Unlimited
• Rohs Compliant: Yes
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Compliant

LTC3458
TYPICAL APPLICATIO
PART NUMBER
LT1310
LT1613
LT1615/
LT1615-1
LT1618
LT1944 (Dual)
LT1945 (Dual)
LT1946/LT1946A 1.5A I
LT1949/
LT1949-1
LT1961
LTC3400/
LTC3400B
LTC3401
LTC3402
LTC3425
LTC3429
LTC3459
LT3460
LT3464
16
RELATED PARTS
2.7V to 4.2V
Linear Technology Corporation
1630 McCarthy Blvd., Milpitas, CA 95035-7417
[phone]
C
D1, D2: LUXEON EMITTER LUMILED WHITE
L1: Wurth 12μH 774775112
IN
Li-Ion
, C
243k
OUT
Dual Lumiled Application with BURST Pin Current Regulation
LXHLMW1D (2.9V AT 350mA)
: TAIYO YUDEN JMK107BJ225MA
DESCRIPTION
1.5A I
550mA I
300mA/80mA I
Step-Up DC/DC Converter
1.5A I
Dual Output 350mA I
Step-Up DC/DC Converter
Dual Output Pos/Neg 350mA I
High Efficiency Step-Up DC/DC Converter
DC/DC Converter
550mA I
DC/DC Converter
1.5A I
600mA I
1A I
2A I
5A I
QFN32
600mA, 500kHz, Synchronous Step-Up DC/DC Converter
with Output Disconnect and Soft-Start
70mA I
320mA I
85mA I
Converter with Integrated Schottky/Output Disconnect
ON OFF
SW
SW
SW
SW
SW
SW
SW
, 3MHz, Synchronous Step-Up DC/DC Converter
, 3MHz, Synchronous Step-Up DC/DC Converter
, 8MHz, 4-Phase Synchronous Step-Up DC/DC Converter
SW
SW
C
2.2μF
124k
●
SW
SW
SW
SW
, 4.5MHz, High Efficiency Step-Up DC/DC Converter
, 1.4MHz, High Efficiency Step-Up DC/DC Converter
, 1.2MHz/2.7MHZ, High Efficiency Step-Up
, 1.25MHz, High Efficiency Step-Up DC/DC Converter
IN
FAX: [phone]
, 10V Micropower Synchronous Boost/Output Disconnect V
, Constant Off-Time, High Efficiency Step-Up DC/DC
, 1.4MHz, High Efficiency Step-Up DC/DC Converter
, 600kHz/1.1MHz, High Efficiency Step-Up
, 1.2MHz, Synchronous Step-Up DC/DC Converter
, 1.3MHz, High Efficiency Step-Up DC/DC Converter
V
GND/PGND
SHDN
SYNC
R
I
LIM
IN
T
SW
, Constant Off-Time, High Efficiency
LTC3458
L1
SW
BURST
, Constant Off-Time, High Efficiency
COMP
U
V
OUT
SW
SS
FB
R
Z1: CENTRAL SEMI 6.8V ZENER DIODE SOT-23 CMPZ5235B
BURST
SW
●
: 35.7k FOR 350mA,
www.linear.com
, Constant Off-Time,
47.5k FOR 250mA,
82.5k FOR 150mA
R
BURST
0.01μF
0.01μF
f
OSC
Z1
= 850kHz
33k
0.01μF
D1
D2
3458 TA06a
C
2.2μF
V
6.4V TO 6.8V
OUT
OUT
COMMENTS
V
MS10E
V
V
ThinSOT
V
V
V
V
V
MS8
V
V
ThinSOT
V
V
V
V
ThinSOT
V
ThinSOT
V
ThinSOT
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
IN
: 2.75V to 18V, V
: 0.9V to 10V, V
: 1.2V to 15V, V
: 1.6V to 18V, V
: 1.2V to 15V, V
: 1.2V to 15V, V
: 2.45V to 16V, V
: 1.5V to 12V, V
: 3V to 25V, V
: 0.5V to 5V, V
: 0.5V to 5V, V
: 0.5V to 5V, V
: 0.5V to 4.5V, V
: 0.5V to 5V, V
: 1.5V to 5.5V, V
: 2.5V to 16V, V
: 2.3V to 10V, V
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
100
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
90
80
70
60
50
OUT(MAX)
OUT(MAX)
OUT(MAX)
OUT(MAX)
2.0
NOTE: LUMILED CURRENT REGULATION
~10% OVER V
2-Lumileds in Series
2.5
= 35V, I
= 5V, I
= 6V, I
= 6V, I
= 5V, I
© LINEAR TECHNOLOGY CORPORATION 2004
150mA, 6.4V
= 34V, I
= 34V, I
= 35V, I
= 34V, I
= ±34V, I
= 28V, I
= 36V, I
= 34V, I
= 5.25V, I
= 10V, I
= 35V, I
= 34V, I
3.0
INPUT VOLTAGE (V)
350mA, 6.8V
IN
Q
Q
Q
Q
3.5
Q
RANGE
= 19μA/300μA I
= 38μA I
= 38μA I
= 20μA/300μA I
= 0.9mA, I
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
Q
= 3mA, I
= 20μA, I
= 1.8mA, I
= 20μA, I
= 4.5mA, I
= 2mA, I
= 25μA, I
LT0807 REV A • PRINTED IN USA
= 10μA, ThinSOT
Q
4.0
= 12mA, I
= 3.2mA, I
= 20μA, I
= 12μA, I
250mA, 6.6V
4.5
SD
SD
SD
SD
SD
< 1μA, MS10
< 1μA, MS10
SD
SD
SD
5.0
SD
SD
SD
3458 TA06b
SD
< 6μA, MS8E
< 1μA, ThinSOT
SD
< 1μA, SC70,
SD
< 1μA,
< 1μA, MS10
< 1μA,
SD
SD
< 1μA, MS10
< 25μA, SO-8,
< 1μA, MS10
< 1μA,
5.5
< 1μA, MS8
< 1μA,
< 1μA,
< 1μA,
3458fa