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SI-3025KM Datasheet(Fiches technique) 1 Page - Allegro MicroSystems

Numéro de pièce SI-3025KM
Description  Surface Mount, Low Current Consumption, Low Dropout Voltage Linear Regulator ICs
Télécharger  12 Pages
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Fabricant  ALLEGRO [Allegro MicroSystems]
Site Internet  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

SI-3025KM Datasheet(HTML) 1 Page - Allegro MicroSystems

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16
ICs
1-1-1 Linear Regulator ICs
■Absolute Maximum Ratings
■Recommended Operating Conditions
Unit
V
V
A
W
°C
°C
°C/W
°C/W
Symbol
VIN
Vc
IO
PD*2
Tj
Tstg
θj-a*2
θj-c
Parameter
DC Input Voltage
Output Control Terminal Voltage
DC Output Current
Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance (Junction to Ambient Air)
Thermal Resistance (Junction to case)
*1: A built-in input-overvoltage-protection circuit shuts down the output voltage at the Input Overvoltage Shutdown Voltage
of the electrical characteristics.
*2: When mounted on glass-epoxy board of 900mm2 (copper laminate area 4.3%).
Parameter
Input Voltage Range
Output Current Range
Operating Ambient Temperature
Operating Junction Temperature
Symbol
VIN
IO
Top
Tj
Unit
V
A
°C
°C
*1: VIN (max) and IO (max) are restricted according to operating conditions due to the relation PD = (VIN-VO)
× IO. Please calculate these values referring to the Copper Laminate Area
vs. Power Dissipation data as shown hereinafter.
*2: Refer to the Dropout Voltage parameter.
(Ta=25
°C)
■Electrical Characteristics 1 (Low VO type compatible with low ESR output capacitor)
Ratings
SI-3012KM/
SI-3010KM/3050KM/
3025KM/3033KM
3090KM/3120KM
17
35*1
VIN
1.0
1
–30 to +125
–30 to +125
95
6
■Features
• Compact surface mount package (TO252-5)
• Output current: 1.0 A
•Low dropout voltage: VDIF
≤ 0.6 V (at IO = 1.0
A)
•Low current consumption: Iq
≤ 350
µA
(600
µA for SI-3010KM/SI-3050KM/SI-
3090KM/SI-3120KM)
•Low circuit current at output OFF: Iq (OFF)
≤ 1
µA
• Built-in overcurrent and thermal protection
circuits
• Output ON/OFF control function
• Compatible with low ESR capacitors (SI-
3012KM/SI-3025KM/SI-3033KM)
Ratings
SI-3012KM
SI-3025KM
SI-3033KM
SI-3010KM
SI-3050KM
SI-3090KM
SI-3120KM
2.4*2 to 6.0*1
2.4*2 to 5*1
*2 to 6*1
2.4*2 to 27*1
2.4*2 to 17*1
*2 to 20*1
*2 to 25*1
0 to 1.0
–30 to +85
–20 to +100
*1: Refer to the Dropout Voltage parameter.
*2: IS1 is specified at the 5% drop point of output voltage VO on the condition that VIN=overcurrent protection starting current, IO = 10 mA).
*3: Output is OFF when output control terminal (VC terminal) is open. Each input level is equivalent to LS-TTL level. Therefore, the device can be driven directly by LS-TTLs.
Surface Mount, Low Current Consumption, Low Dropout Voltage Linear Regulator ICs
SI-3000KM Series
■Applications
• Secondary stabilized power supply (local power supply)
Unit
V
V
mV
mV
V
µA
µA
mV/
°C
dB
A
V
µA
µA
Parameter
Input Voltage
Output Voltage
(Reference voltage VADJ for SI-3012KM)
Line Regulation
Load Regulation
Dropout Voltage
Quiescent Circuit Current
Circuit Current at Output OFF
Temperature Coefficient
of Output Voltage
Ripple Rejection
Overcurrent Protection
Starting Current*2
Control Voltage (Output ON)
Control Voltage (Output OFF)
VC
Control Current
Terminal (Output ON)
Control Current
(Output OFF)
Symbol
VIN
VO (VADJ)
Conditions
∆VOLINE
Conditions
∆VOLOAD
Conditions
VDIF
Conditions
Conditions
Iq
Conditions
Iq (OFF)
Conditions
∆VO/∆Ta
Conditions
RREJ
Conditions
IS1
Conditions
VC, IH
VC, IL
IC, IH
Conditions
IC, IL
Conditions
Ratings
SI-3012KM (Variable type)
SI-3025KM
SI-3033KM
min.
typ.
max.
min.
typ.
max.
min.
typ.
max.
2.4*1
*1
*1
1.24
1.28
1.32
2.45
2.50
2.55
3.234
3.300
3.366
VIN=3.3V, IO=10mA
VIN=3.3V, IO=10mA
VIN=5V, IO=10mA
15
15
15
VIN=3.3 to 8V, IO=10mA (VO=2.5V)
VIN=3.3 to 8V, IO=10mA
VIN=5 to 10V, IO=10mA
40
40
50
VIN=3.3V, IO=0 to 1A (VO=2.5V)
VIN=3.3V, IO=0 to 1A
VIN=5V, IO=0 to 1A
0.4
0.4
0.4
IO=0.5A (VO=2.5V)
IO=0.5A
IO=0.5A
0.6
0.6
0.6
IO=1A (VO=2.5V)
IO=1A
IO=1A
350
350
350
VIN=3.3V, IO=0A, VC=2V, R2=24k
VIN=3.3V, IO=0A, VC=2V
VIN=5V, IO=0A, VC=2V
111
VIN=3.3V, VC=0V
VIN=3.3V, VC=0V
VIN=5V, VC=0V
±0.3
±0.3
±0.3
Tj=0 to 100
°C (VC=2.5V)
Tj=0 to 100
°CTj=0 to 100°C
55
55
55
VIN=3.3V, f=100 to 120HZ (VO=2.5V)
VIN=3.3V, f=100 to 120HZ
VIN=5V, f=100 to 120HZ
1.1
1.1
1.1
VIN=3.3V
VIN=3.3V
VIN=5V
2.0
2.0
2.0
0.8
0.8
0.8
40
40
40
VC=2V
VC=2V
VC=2V
–5
0
–5
0
–5
0
VC=0V
VC=0V
VC=0V


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