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PDF LSP3601 Data sheet ( Hoja de datos )
| Número de pieza | LSP3601 | |
| Descripción | Step-Up DC/DC Controller | |
| Fabricantes | Lite-On | |
| Logotipo |  |
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Liteon Semiconductor Corporation
LSP3601
Step-Up DC/DC Controller
FEATURES
Wide supply voltage operating range: 1.8 to 15V
Reference voltage precision: 4%
Low current consumption:
Operation Mode 5.5mA
Standby Mode: 1µA
High speed oscillator frequency: 1MHz max
Programmable Soft Start function (SS)
Short Circuit Protection function (SCP)
Totem-pole output with adjustable on/off current
(for NPN transistors or n-channel MOSFET)
Logic level control stand-by mode function
Package: SOP8/MSOP8/TSSOP8
TYPICAL APPLICATION
Digital Camera
PDA
Portable Equipment
GENERAL DESCRIPTION
The LSP3601 is a boost topology switching regulator
control IC for battery-used applications field. The
LSP3601 includes a totem-pole single output stage
for driving NPN transistor or N-MOS, high precision
reference (0.5V) for comparing output voltage with
feedback amplifier, an internal dead-time control for
controlling the minimum duty cycle, programmable
soft start with short circuit protection function and
logic level control for operating mode or standby
mode.
PIN ASSIGNMENT
SOP8
MSOP8
TSSOP8
PIN DESCRIPTION
Name
FB
SCP
VCC
BR/CTL
OUT
GND
OSC
COMP
No.
1
2
3
4
5
6
7
8
I/O Description
I Error amplifier inverting input pin
I
Connected a capacitor
Soft start and SCP function pin
P IC Power supply
I Output current setting and control pin
O Totem-pole output
P IC ground
I Capacitor and resistor connected for the frequency of oscillation
O Error amplifier compensation output
1/14 Rev1.3
1 page  
Liteon Semiconductor Corporation
LSP3601
Step-Up DC/DC Controller
TYPICAL CHARACTERISTICS (CONTINUED)
Low level output
600
Vcc=2V
RB=390Ω
500 Ta=25
BR/CTL pin current vs .
Output source current
-60
Vcc=2V
-50
Vout=0.9V
Ta=25
400 -40
300 -30
200 -20
100 -10
0 20 40 60 80 100
Low level output current Iout (mA)
Figure 5
0 -0.4 -0.8 -1.2 -1.6 -2.0
BR/CTL pin current IBR (mA)
Figure 6
BR/CTL pin current vs .
BR/CTL pin voltage
600
Vcc=2V
500 Ta=25
400
300
200
100
0 -0.4 -0.8 -1.2 -1.6 -2.0
BR/CTL pin current IBR (mA)
Figure 7
BR/CTL pin current vs .
Supply current
6.0
Vcc=2V
5.0 Ta=25
4.0
3.0
2.0
1.0
0 -20 -40 -60 -80 -100
BR/CTL pin current IBR ( A)
Figure 8
5/14 Rev1.3
5 Page 
Liteon Semiconductor Corporation
LSP3601
Step-Up DC/DC Controller
ORDERING INFORMATION
MARKING INFORMATION
1) SOP-8L
LOGO
LSC
LSP3601
YYWWXX
2) MSOP-8L
LOGO
LSC
LSP3601
VYWZ
3) TSSOP-8L
LSC
LSP3601
YYWWXX
Part ID
YYWW XX
Internal Code
Date code
YY Year(09=2009,10=2010,11=2011,12=2012...)
WW Week(01~53)
Part ID
V YW Z
Internal Code
Date Code
Y Year(09=2009,10=2010,11=2011,12=2012...)
W Week
Week 1 2 3 4 5 6 7 8 9 10 11 12 13
Code# 1 2 3 4 5 6 7 8 9 A B C D
Week 14 15 16 17 18 19 20 21 22 23 24 25 26
Code# E F G H J K L M N P Q R S
Week 27 28 29 30 31 32 33 34 35 36 37 38 39
Code# T U V W X Y Z a b c d e f
Week 40 41 42 43 44 45 46 47 48 49 50 51 52/53
Code# g h I m n p q s t u v w x
Output Voltage
Blank=ADJ
LOGO
Part ID
YYWW XX
Internal Code
Date code
YY Year(09=2009,10=2010,11=2011,12=2012...)
WW Week(01~53)
11/14
Rev1.3
11 Page | ||
| Páginas | Total 14 Páginas | |
| PDF Descargar | [ Datasheet LSP3601.PDF ] | |
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