1-39
MX-K50R
L4959 (RIC1) : Voltage regulator
1.Pin layout
2.Block diagram
3.Pin function
5.6V, 250mA
REGULATOR
REF
GEN
8.6V, 600mA
REGULATOR
SWITCHED
12V, 800mA
REGULATOR
SWITCHED
12V, 1.3A
REGULATOR
SWITCHED
VS
2/10
GND
6
EN 8V
8
EN 12V(a)
7
EN 12V(b)
5
3
OUT 5.6V
9
OUT 8.6V
11
OUT 12V(a)
1
OUT 12V(b)
D97AU569C
1
2
3
4
5
6
7
9
10
11
8
OUT 12V(a)
V
S
OUT 8.6V
EN 8.6V
EN 12V(a)
GND
EN 12V(b)
N.C.
OUT 5.6V
V
S
OUT 12V(b)
TAB CONNECTED TO PIN 6
D97AU716A
Pin
Pins
Description
1
OUT 12V (b)
12V/1.3A SWITCHED OUTPUT VOLTAGE
2
V
S
Supply Voltage
3
OUT 5.6V
5.6V/250mA OUTPUT VOLTAGE
4
N.C.
not connected
5
EN 12V (b)
Enable 12V/1.3A SWITCHED OUTPUT VOLTAGE
6
GND
Ground
7
EN 12V (a)
Enable 12V/0.8A SWITCHED OUTPUT VOLTAGE
8
EN 8.6V
Enable 8.6V/0.6A SWITCHED OUTPUT VOLTAGE
9
OUT 8.6
8.6V/0.6A SWITCHED OUTPUT VOLTAGE
10
V
S
Supply Voltage
11
OUT 12V (a)
12V/0.8A SWITCHED OUTPUT VOLTAGE