Ordering number : ENA1676A
Bi-CMOS LSI
LV59025M
Overview
2.5V Constant-Voltage Power Supply IC
The LV59025M is a constant-voltage power supply IC. It is the best for the constant-voltage power supply of the battery
machine used.
Features
•
2.5V output
•
Output current of 1A obtainable (VIN1, VIN2
≥
3.5V)
•
Low current consumption
•
MFP8 (200mil) package, ensuring easy mounting design
•
With ON/OFF-switch
Specifications
Absolute Maximum Ratings
at Ta = 25°C
Parameter
Maximum power supply
Symbol
VIN1
VIN2
Allowable power dissipation
Operating Temperature
Storage Temperature
Pd max
Topr
Tstg
VIN1 pin
VIN2 pin
Mounted on a specified board.*
Conditions
Ratings
6.2
6.2
1.45
-30 to +85
-40 to +125
Unit
V
V
W
°C
°C
* Specified board: 50mm
×
50mm
×
1.6mm, glass epoxy both sides
Recommended Operating Ranges
at Ta = 25°C
Parameter
power supply
Symbol
VIN1
VIN2
Output current
IO
VIN1 pin
VIN2 pin
Conditions
Ratings
2.6 to 6
2.6 to 6
0 to 1
Unit
V
V
A
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.
93010 SY/30310 SY 20100219-S00002 No.A1676-1/7
LV59025M
Electrical Characteristics
at Ta
=
25°C, VIN1 = VIN2 = 4.3V
Parameter
Current drain
Standby current
Output
Output voltage
Dropout voltage
VO
Vdrop1_1
Vdrop1_2
Load Regulation
Line Regulation
Voltage temperature coefficient
Ripple Rejection
Output Noise Voltage
CTL pin
High level voltage
Low level voltage
Input current
* Design guarantee
VCTLH
VCTLL
ICTL
VCTL = 6V
1.5
0
5
0.3
8.5
V
V
μA
VLD
VLN
ΔVT
VRL
VON
IO = 10mA
IO = 1A
IO = 0.3A
IO = 5mA to 1A
VIN1 = VIN2 = 2.6V to 6V, IO = 10mA
Ta = -30 to +85°C, IO = 10mA
IO = 10mA, VRpp=1V, fRR = 1kHz
20Hz < f < 20kHz
*
*
*
10
10
±100
65
150
2.45
2.50
2.55
1.0
0.4
50
50
V
V
V
mV
mV
ppm/°C
dB
μVrms
Symbol
IVIN
ISTBY
Conditions
min
CTL = 4.3V, IO = 0mA
CTL = Low
Ratings
typ
110
max
160
1
μA
μA
Unit
Package Dimensions
unit : mm (typ)
3372
2.0
Pd max -- Ta
Specified board: 50×50×1.6mm
3
glass epoxy both sides.
TOP VIEW
5.0
8
SIDE VIEW
BOTTOM VIEW
Allowable power dissipation, Pd max -- W
(3.4)
1.5
1.45
0.43
(2.6)
4.4
6.0
1.0
1
(0.65)
2
0.35
1.27
0.15
0.5
0.58
1.7 MAX
SIDE VIEW
0
-30 -20
0
20
40
60
80 85
100
0.05
(1.5)
Ambient temperature, Ta --
°C
SANYO : MFP8(200mil)
No.A1676-2/7
LV59025M
Pin Function
Pin No.
1
Pin name
VIN1
Function
Power system supply pin.
Equivalent circuit
1 VIN1
6 VO
6
VO
Output voltage pin.
300Ω
8 GND
2
3
NC
VIN2
No contact.
Signal system power supply pin.
VIN2 3
4
CTL
ON/OFF control pin.
10kΩ
CTL 4
1.5MΩ
GND 8
5
7
8
NC
NC
GND
No contact.
No contact.
Ground pin.
130
IVIN -- Ta
VIN1 = VIN2 = 4.3V
0.100
ISTBY -- Ta
VIN1 = VIN2 = 4.3V
120
0.075
110
0.050
100
0.025
90
-40
-20
0
20
40
60
80
100
0
-40
-20
0
20
40
60
80
100
Ambient temperature, Ta -- C
1.5
Ambient temperature, Ta -- C
8
VLN -- Ta
VIN1 = VIN2 = 2.6~6V
IO = 10mA
VLD -- Ta
VIN1 = VIN2 = 4.3V
IO = 5mA~1A
1.25
Load regulation, VLD -- mV
Line regulation, VLN -- mV
6
1.0
4
0.75
0.5
-40
-20
0
20
40
60
80
100
2
-40
-20
0
20
40
60
80
100
Ambient temperature, Ta -- C
Ambient temperature, Ta -- C
No.A1676-4/7
LV59025M
0.9
Vdrop1_1 -- Ta
IO = 1A
0.20
Vdrop1_2 -- Ta
IO = 0.3A
Dropout voltage, Vdrop1_1 -- V
Dropout voltage, Vdrop1_2 -- V
0.8
0.15
0.7
0.6
0.10
0.5
0.05
0.4
0.3
-40
-20
0
20
40
60
80
100
0
-40
-20
0
20
40
60
80
100
Ambient temperature, Ta -- C
2.52
Ambient temperature, Ta -- C
1.25
VO -- Ta
CLT threshold voltage, VCLTth -- V
VIN1 = VIN2 = 4.3V
IO = 10mA
VCLTth -- Ta
VIN1 = VIN2 = 4.3V
Output voltage, VO -- V
2.51
1.00
2.50
0.75
2.49
2.48
-40
-20
0
20
40
60
80
100
0.50
-40
-20
0
20
40
60
80
100
Ambient temperature, Ta -- C
6
Ambient temperature, Ta -- C
4
ICTL -- Ta
VCTL = 6V
VO -- IO
VIN1 = VIN2 = 4.3V
Output voltage, VO -- V
4.5
3
3.0
2
1.5
1
0
-40
-20
0
20
40
60
80
100
0
0
0.5
1.0
1.5
2.0
Ambient temperature, Ta -- C
100
VRL -- fRR
VRpp = 1V
IO = 10mA
Output current, IO -- A
Ripple rejection, VRL -- dB
80
60
40
20
0
0.01
2 3
5 7 0.1
2 3
5 7 1
2 3
5 7 10
2 3
5 7 100
Ripple frequency, fRR -- kHz
No.A1676-5/7
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