1-1-1 Linear Regulator ICs
SI-3000KD Series
sFeatures
Surface-Mount, Low Current Consumption, Low Dropout Voltage Linear Regulator ICs
sAbsolute
Maximum Ratings
Ratings
Parameter
DC Input Voltage
DC Output Current
Power Dissipation
Junction Temperature
Storage Temperature
Thermal Resistance (Junction to Ambient Air)
Thermal Resistance (Junction to Case)
Symbol
(T
a
=25°C)
• Compact surface-mount package (TO263-5)
• Output current: 1.0A
• Low dropout voltage: V
DIF
≤
0.6V (at I
O
= 1.0A)
• Low circuit current consumption: Iq
≤
350
µ
A
(600
µ
A for SI-3010KD, SI-3050KD, SI-
3090KD and SI-3120KD)
• Low circuit current at output OFF: Iq (OFF)
≤
1
µ
A
• Built-in overcurrent, thermal protection circuits
• Compatible with low ESR capacitors (SI-3012KD,
SI-3018KD, SI-3025KD and SI-3033KD)
SI-3012KD/3018KD/
3025KD/3033KD
17
SI-3010KD/3050KD/3090KD/
3120KD
35
*1
Unit
V
IN
I
O
P
D*2
T
j
T
stg
θ
j-a
θ
j-c
1.0
3
–30 to +125
–30 to +125
33.3
3
V
A
W
°C
°C
°C/W
°C/W
*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 1600m
2
(copper laminate area 100%).
sApplications
• Secondary stabilized power supply (local power supply)
sElectrical
Characteristics 1 (Low V
O
type compatible with low ESR output capacitor)
Ratings
(T
a
=25°C, V
C
=2V unless otherwise specified)
SI-3033KD
max.
*4
Parameter
Input Voltage
Output Voltage
(Reference Voltage for SI-3012KD)
Line Regulation
Load Regulation
Symbol
V
IN
V
O
(V
ADJ
)
Conditions
∆V
OLINE
Conditions
∆V
OLOAD
Conditions
V
DIF
Conditions
Conditions
SI-3012KD (Variable type)
min.
2.4
*3
1.24
1.28
V
IN
=3.3V, I
O
=10mA
15
V
IN
=3.3 to 8V, I
O
=10mA (V
O
=2.5V)
40
V
IN
=3.3V, I
O
=0 to 1A (V
O
=2.5V)
0.4
I
O
=0.5A (V
O
=2.5V)
0.6
I
O
=1A (V
O
=2.5V)
350
V
IN
=3.3V, I
O
=0A, V
C
=2V, R2=2.4kΩ
1
V
IN
=3.3V, V
C
=0V
±0.3
T
j
=0 to 100°C (V
O
=2.5V)
55
V
IN
=3.3V, f=100 to 120H
Z
, I
O
=0.1A (V
O
=2.5V)
1.1
V
IN
=3.3V
2
0.8
40
V
C
=2V
–5
0
V
C
=0V
–5
2
1.1
typ.
max.
*4
SI-3018KD
min.
*3
SI-3025KD
max.
*4
Unit
max.
*4
typ.
1.800
min.
*3
typ.
2.50
min.
*3
typ.
3.300
V
V
mV
mV
1.32
1.764
1.836
15
2.45
2.55
15
3.234
3.366
15
V
IN
=2.5V, I
O
=10mA
V
IN
=2.5 to 6V, I
O
=10mA
40
V
IN
=2.5V, I
O
=0 to 1A
0.6
I
O
=0.5A
0.6
I
O
=1A
350
V
IN
=2.5V, I
O
=0A,V
C
=2V
1
V
IN
=2.5V, V
C
=0V
±0.3
T
j
=0 to 100°C
55
V
IN
=2.5V, f=100 to 120H
Z
, I
O
=0.1A
V
IN
=2.5V
2
0.8
40
V
C
=2V
0
V
C
=0V
V
IN
=3.3V, I
O
=10mA
V
IN
=3.3 to 8V, I
O
=10mA
40
V
IN
=3.3V, I
O
=0 to 1A
0.4
I
O
=0.5A
0.6
I
O
=1A
350
V
IN
=3.3V, I
O
=0A,V
C
=2V
1
V
IN
=3.3V, V
C
=0V
±0.3
T
j
=0 to 100°C
55
V
IN
=3.3V, f=100 to 120H
Z
, I
O
=0.1A
1.1
V
IN
=3.3V
2
0.8
40
V
C
=2V
–5
0
V
C
=0V
–5
1.1
V
IN
=5V, I
O
=10mA
V
IN
=5 to 10V, I
O
=10mA
50
V
IN
=5V, I
O
=0 to 1A
0.4
I
O
=0.5A
0.6
I
O
=1A
350
V
IN
=5V, I
O
=0A,V
C
=2V
1
V
IN
=5V, V
C
=0V
±0.3
T
j
=0 to 100°C
55
V
IN
=5V, f=100 to 120H
Z
, I
O
=0.1A
V
IN
=5V
0.8
40
V
C
=2V
0
V
C
=0V
Dropout Voltage
V
Quiescent Circuit Current
Circuit Current at Output OFF
Temperature Coefficient of
Output Voltage
Ripple Rejection
Overcurrent Protection Starting
Current
*1
Control Voltage (Output ON)
*2
Control Voltage (Output OFF)
V
C
Terminal
Control Current (Output ON)
Control Current (Output OFF)
I
q
Conditions
I
q
(OFF)
Conditions
∆V
O
/∆T
a
Conditions
R
REJ
Conditions
I
S1
Conditions
V
C
, IH
V
C
, IL
I
C
, IH
Conditions
I
C
, IL
Conditions
µ
A
µ
A
mV/°C
dB
A
V
µ
A
µ
A
*1:
*2:
*3:
*4:
I
S1
is specified at the 5% drop point of output voltage V
O
under the condition of Output Voltage parameter.
Output is OFF when the output control terminal (V
C
terminal) is open. Each input level is equivalent to LS-TTL level. Therefore, the device can be driven directly by LS-TTLs.
Refer to the Dropout Voltage parameter.
V
IN
(max) and I
O
(max) are restricted by the relation P
D
= (V
IN
- V
O
)
×
I
O
. Please calculate these values referring to the Copper laminate area vs. Power dissipation data.
18
ICs