el7520a Intersil Corporation, el7520a Datasheet - Page 2

• Manufacturer Part Number: el7520a
• Description: 4-channel Dc/dc Controller
• Manufacturer: Intersil Corporation

Absolute Maximum Ratings
V
V
V
V
CAUTION: Stresses above those listed in “Absolute Maximum Ratings” may cause permanent damage to the device. This is a stress only rating and operation of the
device at these or any other conditions above those indicated in the operational sections of this specification is not implied.
NOTES:
IMPORTANT NOTE: All parameters having Min/Max specifications are guaranteed. Typ values are for information purposes only. Unless otherwise noted, all tests are
at the specified temperature and are pulsed tests, therefore: T
Electrical Specifications
SUPPLY
BOOST
V
1. θ
2. For θ
DELB
DRVP
DRVN
DDP,
PARAMETER
ON
∆V
∆V
∆V
Tech Brief TB379.
∆I
∆I
V
V
I(V
V
JA
LDO
D
F
V
C
CINT_T
V
V
V
BOOST
∆V
BOOST
BOOST
BOOST
BOOST
GMP
F_FBB
F_FBP
I
FBP
V
OSC
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .36V
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -20V
REF
MAX
Eff
REF
FBB
FBP
DD
I
REF
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
S
S
JC
IN
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5V
, the “case temp” location is the center of the exposed metal pad on the package underside.
)
/
/
/
Supply Voltage
Quiescent Current
Oscillator Frequency
Reference Voltage
V
Feedback Reference Voltage
FBB Fault Trip Point
Maximum Duty Cycle
Boost Efficiency
Feedback Input Bias Current
Line Regulation
Load Regulation - “P” Mode
Load Regulation - “PI” Mode
CINT Pl Mode Select Threshold
FBP Regulation Voltage
FBP Fault Trip Point
FBP Input Bias Current
FBP Effective Transconductance
REF
Capacitor
DESCRIPTION
2
V
40°C to 85°C, unless otherwise specified.
DD
(T
A
= 5V, V
= 25°C)
BOOST
J
= T
= 11V, I
C
EL7520, EL7520A
Enabled, LX not switching
Disabled, EL7520
Disabled, EL7520A
T
T
V
Test with 24mΩ R
I
PI mode, V
C
V
C
I
I
I
V
V
V
= T
LOAD
OUT
DRVP
DRVP
A
A
FBB
IN
FBP
FBP
DRVP
INT
INT
= 25°C
= 25°C
A
LOAD
= 3V to 5.5V
= 2.2nF, I
pin strapped to V
= 10mA to 200mA
falling
falling
= 1.35V
= 400mA
= 0.2mA, T
= 0.2mA
= 25V, I
= 40mA, V
FBB
OUT
DRVP
= 1.35V
CONDITION
DS(ON)
A
Thermal Information
Thermal Resistance (Typical, Notes 1, 2) θ
V
Storage Temperature . . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Ambient Operating Temperature . . . . . . . . . . . . . . . .-40°C to +85°C
Maximum Continuous Junction Temperature . . . . . . . . . . . . . 125°C
= 200mA
= 25°C
DRVL
ON
QFN Package. . . . . . . . . . . . . . . . . . . .
= 0.2 to 2mA
DD
= 15V, V
MOSFET,
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6.5V
OFF
= -5V, V
LOGIC
1.187
1.192
1.188
1.181
1.177
1.19
0.95
-250
MIN
900
85
3
= 2.5V, over temperature from -
1.215
1.215
1.205
1.205
1.211
1.211
1000
0.05
TYP
640
100
1.6
0.1
4.7
90
50
50
5
1
3
1
JA
(°C/W)
40
1.235
1.238
1.218
1.222
1.229
1.233
MAX
1100
1.05
800
500
250
5.5
2.5
4.8
30
θ
July 12, 2005
JC
FN7318.0
7.5
UNIT
(°C/W)
%/V
kHz
mA
mS
µA
µA
nA
nA
nF
%
%
%
%
V
V
V
V
V
V
V
V
V
V