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SI-3033ZD Fiches technique(PDF) 1 Page - Allegro MicroSystems

No de pièce SI-3033ZD
Description  Surface-Mount, Low Dropout Voltage Linear Regulator ICs
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Fabricant  ALLEGRO [Allegro MicroSystems]
Site Internet  http://www.allegromicro.com
Logo ALLEGRO - Allegro MicroSystems

SI-3033ZD Fiches technique(HTML) 1 Page - Allegro MicroSystems

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26
ICs
1-1-1 Linear Regulator ICs
■Features
• Compact surface-mount package (TO263-5)
• Output current: 3.0A
• Low dropout voltage: VDIF
≤ 0.6V (at IO = 3.0A)
• Low circuit current at output OFF: Iq (OFF)
≤ 1
µA
• Built-in overcurrent and thermal protection
circuits
■Applications
• Secondary stabilized power supply (local
power supply)
■Absolute Maximum Ratings
Unit
V
V
A
W
°C
°C
°C
°C/W
°C/W
Ratings
10
6
3.0
3
–30 to +125
–30 to +85
–40 to +125
33.3
3
Symbol
VIN*1
VC
IO*1
PD*3
Tj
Top
Tstg
θj-a
θj-c
Parameter
DC Input Voltage
Output Control Terminal Voltage
DC Output Current
Power Dissipation
Junction Temperature
Operating Ambient Temperature
Storage Temperature
Thermal Resistance (Junction to Ambient Air)
Thermal Resistance (Junction to Case)
(Ta=25
°C)
■Recommended Operating Conditions
Parameter
Input Voltage
Output Current
Operating Ambient Temperature
Operating Junction Temperature
Output Voltage Variable Range
Symbol
VIN
IO
Top (a)
Top (j)
VOADJ
Unit
V
A
°C
°C
V
Remarks
Only for SI-3011ZD. Refer to the block diagram.
Ratings
*2 to 6*1
0 to 3
–20 to +85
–20 to +100
1.2 to 5
*1: VIN (max) and IO (max) are restricted by the relation PD = (VIN - VO)
× IO.
*2: Set the input voltage to 2.4V or higher when setting the output voltage to 2.0V or lower (SI-3011ZD).
*3: When mounted on glass-epoxy board of 40
× 40mm (copper laminate area 100%).
*1: Set the input voltage to 2.4V or higher when setting the output voltage to 2.0V or lower.
*2: IS1 is specified at the –5% drop point of output voltage VO under the condition of Output Voltage parameter.
*3: Output is OFF when the 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.
*4: These products cannot be used for the following applications because the built-in foldback-type overcurrent protection may cause errors during start-up stage.
(1) Constant current load (2) Positive and negative power supply (3) Series-connected power supply (4) VO adjustment by raising ground voltage
Surface-Mount, Low Dropout Voltage Linear Regulator ICs
SI-3000ZD Series
Unit
V
mV
mV
V
mA
µA
mV/
°C
dB
A
V
µA
µA
Parameter
Output Voltage
(Reference Voltage VADJ for SI-3011ZD)
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
*4
Control Voltage (Output ON)*3
Control Voltage (Output OFF)*3
VC
Control Current(Output ON)
Terminal
Control Current(Output OFF)
Symbol
VO (VADJ)
Conditions
∆VOLINE
Conditions
∆VOLOAD
Conditions
VDIF
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-3011ZD (Variable type)
SI-3033ZD
min.
typ.
max.
min.
typ.
max.
1.078
1.100
1.122
3.234
3.300
3.366
VIN=VO+1V, IO=10mA
VIN=5V, IO=10mA
10
10
VIN=3.3 to 5V, IO=10mA (VO=2.5V)
VIN=4.5 to 5.5V, IO=10mA
40
40
VIN=3.3V, IO=0 to 3A (VO=2.5V)
VIN=5V, IO=0 to 3A
0.6
0.6
IO=3A (VO=2.5V)
IO=3A
1
1.5
1
1.5
VIN=VO+1V, IO=0A, VC=2V
VIN=5V, IO=0A, VC=2V
11
VIN=VO+1V, VC=0V
VIN=5V, VC=0V
±0.3
±0.3
Tj=0 to 100
°CTj=0 to 100°C
60
60
VIN=VO+1V, f=100 to 120HZ, IO=0.1A
VIN=5V, f=100 to 120HZ, IO=0.1A
3.2
3.2
VIN=VO+1V
VIN=5V
22
0.8
0.8
100
100
VC=2.7V
VC=2.7V
–5
0
–5
0
VC=0V
VC=0V
■Electrical Characteristics
(Ta=25
°C, VC=2V unless otherwise specified)


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