el7581 Intersil Corporation, el7581 Datasheet - Page 3

• Manufacturer Part Number: el7581
• Description: 3-channel Dc/dc Converter
• Manufacturer: Intersil Corporation

Electrical Specifications
NEGATIVE REGULATED CHARGE PUMP (V
Most negative V
configuration (doubler or tripler)
V
IQ1(V
IQ2(V
V(FBN)
I(FBN)
I(DRVN)
ILR_V
F
ENABLE CONTROL LOGIC
V
V
IL(EN”X”)
IL(ENBN)
IL(ENP)
OVER-TEMPERATURE PROTECTION
T
T
PARAMETER
PUMP
OT
HYS
DDN
HI-ENX
LO-ENX
DDN
DDN
OFF
)
)
OFF
Supply Input for Negative Charge Pump
Quiescent Current - Shut-down
Quiescent Current - Switching
Feedback Reference Voltage
Feedback Input Bias Current
RMS DRVN Output Current
Load Regulation
Charge Pump Frequency
Enable Input High Threshold
Enable Input Low Threshold
Logic Low Bias Current
Logic High Bias Current
Logic High Bias Current
Over-temperature Threshold
Over-temperature Hysteresis
output depends on the magnitude of the V
DESCRIPTION
3
V
IN
= 3.3V, V
OFF
BOOST
)
= 12V, R
Usually connected to V
ENBN = 0V
ENBN = V
Magnitude of input bias
V
V
-15mA < I
Frequency set by R
X = “BN”, “P”
X = “BN”, “P”
X = “BN”, “P” = 0V
ENBN = 5V
ENP = 5V
DDN
DDN
DDN
OSC
EL7581
= 12V
= 6V
input voltage (normally connected to V
= 100kΩ, T
L
DDB
< -5mA
CONDITIONS
OSC
A
= 25°C Unless Otherwise Specified. (Continued)
BOOST
- see boost section
output
BOOST
MIN
-0.5
-80
1.4
15
5
) and the external component
0.5*F
TYP
0.03
130
1.2
2.3
0.1
0.1
7.5
3.3
60
40
0
OSC
MAX
+80
0.5
0.6
7.5
17
10
15
5
%/mA
UNIT
mA
mV
mA
mA
µA
µA
µA
µA
µA
°C
°C
V
V
V