EL7562CU-T13 INTERSIL [Intersil Corporation], EL7562CU-T13 Datasheet - Page 3

• Manufacturer Part Number: EL7562CU-T13
• Description: Monolithic 2Amp DC-DC Step-Down Regulator
• Manufacturer: INTERSIL [Intersil Corporation]

Pin Descriptions
Closed-Loop AC Electrical Specifications
F
t
M
t
t
D
SYNC
BRM
LEB
PARAMETER
NUMBER
OSC
MAX
SS
PIN
10
11
12
13
14
15
16
1
2
3
4
5
6
7
8
9
PIN NAME
SGND
COSC
PGND
PGND
PGND
PGND
VDRV
VREF
Oscillator Initial Accuracy
Minimum Oscillator Sync Width
Soft-start Slope
FET Break Before Make Delay
High Side FET Minimum On Time
Maximum Duty Cycle
VDD
VIN
VIN
VHI
EN
LX
LX
FB
Control circuit negative supply
Oscillator timing capacitor; F
Control circuit positive supply
Ground return of the regulator; connected to the source of the low-side synchronous NMOS power FET
Ground return of the regulator; connected to the source of the low-side synchronous NMOS power FET
Power supply input of the regulator; connected to the drain of the high-side NMOS power FET
Power supply input of the regulator; connected to the drain of the high-side NMOS power FET
Chip enable, active high; a 2µA internal pull-up current enables the device if the pin is left open
Ground return of the regulator
Positive supply of the high-side driver
Inductor drive pin; high current digital output whose average voltage equals the regulator output voltage
Inductor drive pin; high current digital output whose average voltage equals the regulator output voltage
Positive supply of the low-side driver and input voltage for the high-side boot strap
Voltage feedback input; connected to an external resistor divider between V
forces V
Bandgap reference bypass capacitor; typically 0.1µF to GND
Ground return of the regulator
DESCRIPTION
3
OUT
to V
S
in the event that FB is floating
OSC
V
S
can be approximated by: F
= V
IN
= 5V, T
CONDITIONS
A
PIN FUNCTION
= T
J
= 25°C, C
OSC
OSC
(kHz) = 0.1843/C
= 270pF, unless otherwise specified.
OUT
MIN
and GND; a 125nA pull-up current
493
OSC
, C
OSC
TYP
580
150
0.5
25
15
95
in µF
MAX
667
UNIT
V/ms
kHz
ns
ns
ns
%