EL7584 INTERSIL [Intersil Corporation], EL7584 Datasheet - Page 4

• Manufacturer Part Number: EL7584
• Description: 4-Channel DC:DC Converter
• Manufacturer: INTERSIL [Intersil Corporation]

Pin Descriptions
NOTE: *VSSB, VSSC, VSSN, VSSP, and PGND (2) are shorted internally to the device substrate.
PIN NUMBER
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
1
2
3
4
5
6
7
8
9
I = Input, O = Output, S = Supply
PIN NAME
PGND*
PGND*
VSSN*
VSSC*
VSSP*
VSSB*
VCOM
ROSC
VDDB
DRVN
VDDN
VDDC
VDDP
DRVP
VREF
FBN
FBB
FBP
LX1
LX2
INC
EN
DP
SS
4
PIN TYPE
O
O
O
O
O
O
P
P
P
P
P
P
P
P
P
P
I
I
I
I
I
I
I
I
Soft-Start input: a capacitor determines the current limit ramp time.
Voltage feedback input determines the value of V
Starts internal power sequencing of V
(See Applications Information) ; active HIGH input.
Positive supply for V
Boost inductor saturating MOSFET #1.
Boost inductor saturating MOSFET #2.
Ground return for V
Pump capacitor driver for V
Positive supply for V
Voltage feedback input determines the value of V
An external capacitor increases V
V
Positive supply for V
V
Ground return for V
Voltage feedback input determines the value of V
Positive supply for V
Pump capacitor driver for V
Ground return for V
Ground return for MOSFET #1.
Ground return for MOSFET #2.
Voltage reference for V
An external resistor sets the DC/DC switching frequency.
Ground return for V
COM
COM
EL7584
Buffer input.
Buffer output.
OFF
COM
ON
BOOST
BOOST
OFF
COM
ON
regulator.
OFF
regulator.
regulator.
Buffer.
regulator.
Buffer.
DC/DC controller.
OFF
ON
feedback .
DC/DC controller.
regulator.
regulator.
PIN FUNCTION
ON
power up delay time.
BOOST
, V
OFF
BOOST
OFF
ON
, V
.
.
COM
.
and V
ON
outputs
February 4, 2005
FN7317.2