1-1-1 Linear Regulator ICs
SI-3000KF Series Low Current Consumption, Low Dropout Voltage Linear Regulator ICs
■Features
■Absolute Maximum Ratings
(Ta=25°C)
• Compact full-mold package (equivalent to
Ratings
SI-3010KF
35*1
Parameter
Symbol
Unit
Remarks
TO220)
DC Input Voltage
VIN
Vc
V
V
• Output current: 1.0A
Output Control Terminal Voltage
DC Output Current
VIN
• Low dropout voltage: VDIF ≤ 0.5V (at IO = 1.0A)
• High ripple rejection: 75dB
Io
1.0
A
PD1
PD2
Tj
16.6
W
With infinite heatsink
Power Dissipation
1.72
W
Without heatsink, stand-alone operation
• Low circuit current at output OFF: Iq (OFF) ≤
1µA
Junction Temperature
–40 to +125
–40 to +125
–40 to +100
6.0
°C
Storage Temperature
Tstg
Top
θj-c
θj-a
°C
• Built-in overcurrent and thermal protection
circuits
Operating Ambient Temperature
Thermal Resistance (Junction to Case)
Thermal Resistance (Junction to Ambient Air)
°C
°C/W
°C/W
58
Without heatsink, stand-alone operation
*1: A built-in input-overvoltage-protection circuit shuts down the output voltage at the Input Overvoltage Shutdown Voltage
of the electrical characteristics.
■Applications
• Secondary stabilized power supply (local
power supply)
■Recommended Operating Conditions
Ratings
SI-3010KF
2.4*2 to 27*1
0 to 1.0*1
Parameter
Symbol
Unit
Input Voltage Range
VIN
IO
V
A
Output Current Range
Output Voltage Variable Range
Operating Ambient Temperature
Operating Junction Temperature
VOADJ
Top
1.1 to 16
V
–30 to +85
–20 to +100
°C
°C
Tj
*1: VIN (max) and IO (max) are restricted by the relationship PD (max) = (VIN - VO) × IO = 16.6W.
*2: Refer to the Dropout Voltage parameter.
■Electrical Characteristics
Ratings
Parameter
Symbol
SI-3010KF
typ.
Unit
min.
0.98
max.
1.02
VADJ
1.00
Reference Voltage
V
IN=7V, I
O
=0.01A,
=5A
V
Conditions
V
C=2V, VO
∆VOLINE
30
75
Line Regulation
Load Regulation
V
IN=6 to 15V, I =0.01A,
O
mV
mV
Conditions
V
C
=2V, VO=5A
∆VOLOAD
V
IN=7V, I
O
=0 to 1A, V
C=2V
,
Conditions
V
O=5A
V
DIF
0.3
0.5
600
1
Conditions
I
I
O
=0.5A, V
C
=2V, V
O
O
=5V
=5V
V
Dropout Voltage
Conditions
O=1.0A, V
C=2V, V
I
q
µ
A
A
Quiescent Circuit Current
Conditions
VIN=7V, IO=0A, VC=2V
Iq
(OFF)
µ
Circuit Current at Output OFF
Conditions
V
IN=7V, VC=0V
∆V
O
/∆T
a
±0.5
Temperature Coefficient of
Output Voltage
V
IN=7V, I
O
=0.01A, V
C
=2V,
mV/°C
Conditions
Tj=0 to 100°C, VO=2.5V
RREJ
75
Ripple Rejection
V
IN=7V, I
O
=0.1A, V
C
=2V,
dB
Conditions
f=100 to 120Hz, V
O
=5V
Overcurrent Protection Starting
Current*3
I
S1
1.1
2
A
V
V
Conditions
, IH
Conditions
, IL
Conditions
, IH
Conditions
, IL
Conditions
V
IN=7V, V
C
=2V
V
C
*4
Control Voltage (Output ON)
VIN=7V
V
C
0.8
40
Control Voltage (Output OFF)
Control Current (Output ON)
Control Current (Output OFF)
V
C
VIN=7V
Terminal
IC
µ
A
A
V
V
IN=7V, V
C
=2V
=0V
I
C
–5
33
0
µ
IN=7V, V
C
Input Overvoltage Shutdown
Voltage
VOVP
V
Conditions
IO=0.01A
*3: IS1 is specified at the 5% drop point of output voltage VO on the condition that VIN = overcurrent protection starting current, IO = 10 mA.
*4: Output is OFF when the output control terminal VC is open. Each input level is equivalent to LS-TTL level. Therefore, the device can be driven directly by LS-TTLs.
*5: SI-3000KFE cannot be used in 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
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