el7558b Intersil Corporation, el7558b Datasheet - Page 3

• Manufacturer Part Number: el7558b
• Description: Integrated Adjustable 8 Amp Synchronous Switcher
• Manufacturer: Intersil Corporation

Electrical Specifications
CONTROLLER - REFERENCE
V
V
V
CONTROLLER - DOUBLER
VC2V
CONTROLLER - OSCILLATOR
F
I
I
F
t
POWER - FET
I
R
R
t
t
OSC CHG
OSC DIS
sync
LEAK
BRM
LEB
PARAMETER
RAMP
OSC
REF
REFTC
REFLOAD
DSON
DSONTC
Reference Accuracy
Reference Voltage Tempco
Reference Load Regulation
Voltage Doubler Output
Oscillator Ramp Amplitude
Oscillator Charge Current
Oscillator Discharge Current
Oscillator initial accuracy
Minimum oscillator sync width
LX Output Leakage to VSS
Composite FET Resistance
R
FET break before make delay
High side FET minimum on time (LEB)
DSON
Tempco
DESCRIPTION
3
V
DD
= V
IN
= 5V, C
OSC
= 1nF, C
I
0<I
V
0.2V<V
0.2V<V
LX = 0V
REF
EL7558B
DD
SLOPE
LOAD
= 5V, I
= 0
OSC
OSC
<100µA
= 470pF, T
LOAD
<1.4V
<1.4V
CONDITIONS
= 10mA
A
= 25°C unless otherwise specified. (Continued)
1.247
MIN
100
0.5
7.5
18
1.260
TYP
150
120
140
8.1
1.2
0.1
50
50
10
5
1.273
MAX
140
100
0.5
8.7
30
ppm/ºC
m:/ºC
UNIT
%/ºC
kHz
m:
mA
µA
µA
ns
ns
ns
V
V
V