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PDF LV5654T Data sheet ( Hoja de datos )
| Número de pieza | LV5654T | |
| Descripción | 4-channel Switching Regulator Controller | |
| Fabricantes | Sanyo Semicon Device | |
| Logotipo |  |
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www.DataSheet.co.kr
Ordering number : ENA1360
LV5654T
Bi-CMOS IC
4-Channel Switching Regulator
Controller
Overview
The LV5654T is a 4-channel switching regulator controller.
Features
• Low-voltage (3V) operation.
• Independent standby functions for each of the four channels.
• Synchronous rectification : channel 1 and channel 2.
• Reference voltage precision : ±1%.
• Is capable of driving MOS transistors.
• Supports inverting step-up operation (channel 3).
Specifications
Maximum Ratings at Ta = 25°C
Parameter
Maximum supply voltage 1
Maximum supply voltage 2
Maximum clock input voltage
Allowable power dissipation
Operating temperature
Storage temperature
Symbol
VCC max
VBVIAS max
VCLKIN max
Pd max
Topr
Tstg
Conditions
VCC pin
VBIAS pin
CLKIN pin
Independent IC
Ratings
-0.3 to 16
-0.3 to 18
5.5
0.4
-30 to +85
-55 to +125
Unit
V
V
V
W
°C
°C
Recommended Operating Conditions at Ta = 25°C
Parameter
Supply voltage 1
Supply voltage 2
Clock input voltage
Timing resistor
Timing capacitor
Triangle wave frequency
Symbol
VCC
VBIAS
VCLKIN
RT
CT
fOSC
VCC pin
VBIAS pin
CLKIN pin
Conditions
Ratings
3 to 15
3 to 15
5
7 to 30
100 to 1000
0.1 to 1.3
Unit
V
V
V
kΩ
pF
MHz
Any and all SANYO Semiconductor Co.,Ltd. products described or contained herein are, with regard to
"standard application", intended for the use as general electronics equipment (home appliances, AV equipment,
communication device, office equipment, industrial equipment etc.). The products mentioned herein shall not be
intended for use for any "special application" (medical equipment whose purpose is to sustain life, aerospace
instrument, nuclear control device, burning appliances, transportation machine, traffic signal system, safety
equipment etc.) that shall require extremely high level of reliability and can directly threaten human lives in case
of failure or malfunction of the product or may cause harm to human bodies, nor shall they grant any guarantee
thereof. If you should intend to use our products for applications outside the standard applications of our
customer who is considering such use and/or outside the scope of our intended standard applications, please
consult with us prior to the intended use. If there is no consultation or inquiry before the intended use, our
customer shall be solely responsible for the use.
Specifications of any and all SANYO Semiconductor Co.,Ltd. products described or contained herein stipulate
the performance, characteristics, and functions of the described products in the independent state, and are not
guarantees of the performance, characteristics, and functions of the described products as mounted in the
customer's products or equipment. To verify symptoms and states that cannot be evaluated in an independent
device, the customer should always evaluate and test devices mounted in the customer's products or
equipment.
D2408 MS PC 20081030-S00001 No.A1360-1/10
Datasheet pdf - http://www.DataSheet4U.net/
1 page  
www.DataSheet.co.kr
Pin Function
Block
Pin No.
ch1 9
DOWN
(Step-down)
26
25
31
33
32
ch2 8
DOWN
(Step-down)
24
23
30
36
35
ch3 7
(Inversion)
14
15
16
18
17
29
2
ch4 6
Step-up
(UP)
12
13
28
3
POWER
27
1
19
34
22
CONTROL
11
10
4
OSC
21
20
5
Pin Name
STBY1
IN1-
FB1
CSOFT1
OUT1
OUT1N
STBY2
IN2-
FB2
CSOFT2
OUT2
OUT2N
STBY3
IN3+RE
IN3-RE
FB3RE
IN3-
FB3
CSOFT3
OUT3
STBY4
IN4-
FB4
CSOFT4
OUT4
VCC
VBIAS
GND_S
GND_P (VS)
VREF
CTL
SCP
SCPOUT
CT
RT
CLKIN
LV5654T
Functions
Standby input. H/ch1 ; ON, L/ch1 ; OFF.
Error amplifier Inverting input.
Error amplifier output.
Soft start setting capacitor connection. Connect to GND through a capacitor.
Output. External transistor P-channel gate connection.
Output. External transistor N-channel gate connection.
Standby input. H/ch2 ; ON, L/ch2 ; OFF.
Error amplifier Inverting input.
Error amplifier output.
Soft start setting capacitor connection. Connect to GND through a capacitor.
Output. External transistor P-channel gate connection.
Output. External transistor N-channel gate connection.
Standby input. H/ch3 ; ON, L/ch3 ; OFF.
Inversion amplifier, + (noninverting) input.
Inversion amplifier, - (Inverting) input.
Inversion amplifier output.
Error amplifier, - (Inverting) input.
Error amplifier output.
Soft start setting capacitor connection. Connect to GND through a capacitor.
Output. External transistor P-channel gate connection.
Standby input. H/ch4 ; ON, L/ch4 ; OFF.
Error amplifier Inverting input.
Error amplifier output.
Soft start setting capacitor connection. Connect to GND through a capacitor.
Output. External transistor N-channel gate connection.
Power supply input (signal system).
Power supply input (pre-output stage).
Ground (signal system).
Ground (pre-output stage).
Reference voltage output.
Output control.
Connection pin for the delay time setting capacitor of short circuit detection circuit.
SCP_OUT pin (SCP output).
Triangle wave oscillation frequency setting capacitor connection.
Triangle wave oscillation frequency setting resistor connection.
External clock input.
No.A1360-5/10
Datasheet pdf - http://www.DataSheet4U.net/
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