5-Terminal, Low Dropout Voltage Linear Regulator IC
■Features
• Compact full-mold package (equivalent to
TO220)
• Output current: 3.0A
• Low dropout voltage: V
DIF
≤
0.7V (at I
O
= 3.0A)
• Low circuit current at output OFF: Iq (OFF)
≤
1
µ
A
• Built-in overcurrent and thermal protection circuits
Power Dissipation
Junction Temperature
Operating Ambient Temperature
Storage Temperature
Thermal Resistance (Junction to Case)
Thermal Resistance (Junction to Ambient Air)
■Absolute
Maximum Ratings
Parameter
DC Input Voltage
Output Control Terminal Voltage
DC Output Current
Symbol
V
IN*1
V
C
I
O*1
P
D1
P
D2
T
j
T
op
T
stg
Ratings
10
6
3.0
20 (With infinite heatsink)
1.5 (Without heatsink, stand-alone operation)
–30 to +125
–30 to +100
–30 to +125
5.0
66.7 (Without heatsink, stand-alone operation)
V
V
A
W
W
°C
°C
°C
(T
a
= 25°C)
Unit
■Applications
• Secondary stabilized power supply (local
power supply)
θ
j-c
θ
j-a
°C/W
°C/W
■Recommended
Operating Conditions
Parameter
Input Voltage
Output Current
Operating Ambient Temperature
Operating Junction Temperature
Output Voltage Variable Range
Symbol
V
IN
I
O
T
op (a)
T
op (j)
V
OADJ
Ratings
*2
Unit
V
A
°C
°C
V
Remarks
to
6
*1
0 to 3
–20 to +85
–20 to +100
1.2 to 5
Only for SI-3011ZF. Refer to the Typical Connection Diagram
*1: V
IN
(max) and I
O
(max) are restricted by the relationship P
D
= (V
IN
- V
O
)
×
I
O
.
*2: Set the input voltage to 2.4V or higher when setting the output voltage to 2.0V or lower (SI-3011ZF).
■Electrical
Characteristics
Ratings
Parameter
Output Voltage
(Reference Voltage 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
(T
a
= 25°C, V
C
= 2V unless otherwise specified)
SI-3011ZF
min.
typ.
1.100
V
IN
=V
O
+1V, I
O
=10mA
10
V
IN
=3.3 to 5V, I
O
=10mA (V
O
=2.5V)
40
V
IN
=3.3V, I
O
=0 to 3A (V
O
=2.5V)
0.7
I
O
=3A (V
O
=2.5V)
1
1.5
1
V
IN
=V
O
+1V, V
C
=0V
±0.3
T
j
=0 to 100°C
60
V
IN
=V
O
+1V, f=100 to 120H
Z
, I
O
=0.1A
3.2
V
IN
=V
O
+1V
2
0.8
100
V
C
=2.7V
–5
0
V
C
=0V
–5
V
C
=2.7V
0
V
C
=0V
–5
2
0.8
100
V
C
=2.7V
0
V
C
=0V
3.2
V
IN
=3.3V
2
0.8
100
V
IN
=3.3V, V
C
=0V
±0.3
T
j
=0 to 100°C
60
V
IN
=3.3V, f=100 to 120H
Z
, I
O
=0.1A
3.2
V
IN
=5V
V
IN
=V
O
+1V, I
O
=0A, V
C
=2V
I
O
=3A
1
V
IN
=3.3V, I
O
=0A, V
C
=2V
1
V
IN
=5V, V
C
=0V
±0.3
T
j
=0 to 100°C
60
V
IN
=5V, f=100 to 120H
Z
, I
O
=0.1A
1.5
V
IN
=3.3V, I
O
=0 to 3A
0.7
I
O
=3A
1
V
IN
=5V, I
O
=0A, V
C
=2V
1
1.5
V
IN
=3.3 to 5V, I
O
=10mA
40
V
IN
=5V, I
O
=0 to 3A
0.7
max.
1.122
min.
2.45
1.078
SI-3025ZF
typ.
2.50
V
IN
=3.3V, I
O
=10mA
10
max.
2.55
min.
3.234
SI-3033ZF
typ.
3.300
V
IN
=5V, I
O
=10mA
10
V
IN
=4.5 to 5.5V, I
O
=10mA
40
max.
3.366
V
mV
mV
V
mA
Unit
Symbol
V
O
(V
AJD
)
Conditions
∆V
OLINE
Conditions
∆V
OLOAD
Conditions
V
DIF
Conditions
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
mV/°C
dB
A
V
Control Voltage (Output ON)
*3
Control Voltage (Output OFF)
*3
V
C
Control Current(Output ON)
Terminal
Control Current(Output OFF)
µ
A
µ
A
*1:
*2:
*3:
*4:
Set the input voltage to 2.4V or higher when setting the output voltage to 2.0V or lower.
I
S1
is specified at the 5% drop point of output voltage V
O
under the Output Voltage parameter conditions.
Output is OFF when the output control terminal V
C
is open. Each input level is equivalent to LS-TTL level. Therefore, the device can be driven directly by LS-TTLs.
These products 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) V
O
adjustment by raising ground voltage
60
IC
SI-3000ZF Series
■External
Dimensions
φ
3.2
±0.2
0.5
10.0
±0.2
(unit : mm)
4.2
±0.2
±0.2
2.8
4.0
±0.2
7.9
±0.2
a. Part Number
b. Lot number
Pin Assignment
q
V
C
w
V
IN
e
GND
r
V
o
t
S
ense
(ADJ for SI-3011ZF)
Plastic Mold Package Type
Flammability: UL94V-0
Product Mass: Approx. 2.3g
B
2.6
±0.1
(2.0)
0.95
±0.15
+0.2
0.85
–0.1
(4.6)
0.45
–0.1
*1
+0.2
P1.7
±0.7
×4=6.8
±0.7
*1
3.9
±0.7
*1
(4.3)
8.2
±0.7
1 2 3 4 5
Forming No. 1101
■Typical
Connection Diagram/Block Diagram
SI-3011ZF
V
IN
+
(8.0)
5.0
±0.6
(17.9)
A
16.9
±0.3
2
4
V
O
R3
*
C
IN
REF
+
+
R1
+
Drive
TSD
OCP
AMP1
5
ADJ
C
O
R2
V
C
ON/
OFF
1
-
-
+
C
IN
: Input capacitor (Approx. 10
µ
F)
This capacitor is required when the input line contains induc-
tance or when the wiring is long.
C
O
: Output capacitor (47
µ
F or higher)
The output voltage may oscillate if a low ESR type capacitor
(such as a ceramic capacitor) is used for the output capacitor
in SI-3000ZF.
R1, R2: Output voltage setting resistors
The output voltage can be set by connecting R1 and R2 as
