
No. 4370-2/6
LA5606N
Parameter
Symbol
Conditions
Ratings
Unit
min
typ
max
Regulator 1 (V
EN
1 = low, V
O
1: ON, V
IN
1 = 18.7 V and I
O
1 = 300 mA)
Output voltage 1
V
O
1
14.9
15.7
16.5
V
Dropout voltage
V
DROP1-1
V
DROP1-2
V
OLN
1
V
OLD
1
I
OP
1
I
OSC
1
V
ENL
1
V
ENH
1
V
O
1 OFF
V
NO
1
Rrej1
0.3
0.5
V
I
O
1 = 150 mA
17.5 V
≤
V
IN
1
≤
23 V
5 mA
≤
IO1
≤
300 mA
0.15
0.3
V
Line regulation
20
100
mV
Load regulation
40
200
mV
Peak output current
350
540
mA
Output short current
150
mA
Output on control voltage
V
O
1: On
V
O
1: Off
1.0
V
Output off control voltage
4.0
V
IN
1
0.2
V
Output low level voltage
V
Output noise voltage
10 Hz
≤
f
≤
100 kHz
f = 120 Hz, 18 V
≤
V
IN
1
≤
23 V
110
μVrms
Ripple rejection
50
dB
Regulator 2 (V
EN
2 = low, V
O
2: ON, V
IN
2 = 15.0 V, I
O
2 = 150 mA)
Output voltage 2
V
O
2
V
DROP
2
V
OLN
2
V
OLD
2
I
OP
2
I
OSC
2
V
ENL
2
V
ENH
2
V
O
2OFF
V
NO
2
Rrej2
11.4
12.0
12.6
V
Dropout voltage
0.3
0.5
V
Line regulation
12.6 V
≤
V
IN
2
≤
23 V
1 mA
≤
I
O
2
≤
150 mA
20
100
mV
Load regulation
20
70
mV
Peak output current
200
270
mA
Output short current
70
mA
Output on control voltage
V
O
2: On
V
O
2 :Off
1.0
V
Output off control voltage
4.0
V
IN
2
0.2
V
Output low level voltage
V
Output noise voltage
10 Hz
≤
f
≤
100 kHz
f = 120 Hz, 13 V
≤
V
IN
2
≤
23 V
110
μVrms
Ripple rejection
50
dB
Regulator 3 (V
EN
2 = low, V
O
3: ON, V
IN
2 = 12 V, I
O
3 = 100 mA)
Output voltage 3
V
O
3
V
DROP
3
V
OLN
3
V
OLD
3
I
OP
3
I
OSC
3
V
ENL
2
V
ENH
2
V
O
3 OFF
V
NO
3
Rrej3
8.55
9.0
9.45
V
Dropout voltage
0.3
0.5
V
Line regulation
10.45 V
≤
V
IN
2
≤
23 V
1 mA
≤
I
O
3
≤
100 mA
20
100
mV
Load regulation
20
50
mV
Peak output current
150
180
mA
Output short current
40
mA
Output on control voltage
V
O
3: On
V
O
3: Off
1.0
V
Output off control voltage
4.0
V
IN
2
0.2
V
Output low level voltage
V
Output noise voltage
10 Hz
≤
f
≤
100 kHz
f = 120 Hz, 11 V
≤
V
IN
2
≤
23 V
70
μVrms
Ripple rejection
55
dB
Specifications
Maximum Ratings
at Ta = 25°C
Operating Conditions
at Ta = 25°C
Parameter
Symbol
Conditions
Ratings
Unit
Maximum input voltage
V
IN
max
V
EN
max
V
IN
1
≥
V
IN
2
≥
V
IN
3
EN1, EN2, EN3
35
V
Enable pin voltage
V
IN
max
V
Allowable power dissipation
Pd max
With infinite heat sink
15
W
With no heat sink
4.3
W
Operating temperature
Topr
–20 to +80
°C
Storage temperature
Tstg
–55 to +150
°C
Parameter
Symbol
Conditions
Ratings
Unit
Output current 1
I
O
1
I
O
2
I
O
3
I
O
4
Regulator 1
5 to 350
mA
Output current 2
Regulator 2
1 to 200
mA
Output current 3
Regulator 3
1 to 150
mA
Output current 4
Regulator 4
5 to 500
mA
Operating Characteristics
at Ta = 25°C and the specified Test Circuit
Continued on next page.