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.
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
J
= T
C
= T
A
Electrical Specifications
PARAMETER
V
IN
= 3.3V, V
BOOST
= 12V,
R
OSC
= 100k,
T
A
= 25°C Unless Otherwise Specified.
CONDITIONS
MIN
TYP
MAX
UNIT
DESCRIPTION
DC/DC BOOST CONVERTER
IQ1_B
IQ2_B
V(FBB)
V
REF
V
ROSC
I(FBB)
V
DDB
D
MAX
I(LX)
MAX
R
DS-ON
I
LEAK-SWITCH
V
BOOST
V
BOOST
/V
IN
V
BOOST
/I
O1
F
OSC-RANGE
F
OSC1
Quiescent Current - Shut-down
Quiescent Current - Switching
Feedback Voltage
Reference Voltage
Oscillator Set Voltage
Feedback Input Bias Current
Boost Converter Supply Range
Maximum Duty Cycle
Peak Internal FET Current
Switch On Resistance
Switch Leakage Current
Output Range
Line Regulation
Load Regulation
Frequency Range
Switching Frequency
at V
BOOST
= 10V, I(LX) total = 500mA
I(LX) total
V
BOOST
> V
IN
+ V
DIODE
2.7V < V
IN
< 13.2V, V
BOOST
= 15V
50mA < I
O1
< 300mA
R
OSC
range = 240k to 60k
R
OSC
= 100k
200
620
680
5
0.1
0.5
1000
750
2.7
85
92
2.75
0.15
2
17
ENBN = ENP = 0V
ENBN = V
DDB
1.275
1.260
1.260
0.8
4.8
1.300
1.310
1.325
0.1
17
10
8
1.325
1.360
1.390
µA
mA
V
V
V
µA
V
%
A
µA
V
%
%
kHz
kHz
POSITIVE REGULATED CHARGE PUMP (V
ON
)
Most positive V
ON
output depends on the magnitude of the V
DDP
input voltage (normally connected to V
BOOST
) and the external component
configuration (doubler or tripler)
V
DDP
IQ1(V
DDP
)
IQ2(V
DDP
)
V(FBP)
I(FBP)
I(DRVP)
Supply Input for Positive Charge Pump
Quiescent Current - Shut-down
Quiescent Current - Switching
Feedback Reference Voltage
Feedback Input Bias Current
RMS DRVP Output Current
V
DDP
= 12V
V
DDP
= 6V
ILR_V
ON
F
PUMP
Load Regulation
Charge Pump Frequency
5mA < I
L
< 15mA
Frequency set by R
OSC
- see boost section
15
-0.5
0.03
0.5*F
OSC
0.5
Usually connected to V
BOOST
output
ENP = 0V
ENBN = ENP = V
DDB
1.245
5
11.5
2.3
1.310
0.1
60
17
20
5
1.375
V
µA
mA
V
µA
mA
mA
%/mA
FN7100 Rev 5.00
March 9, 2006
Page 2 of 17
EL7581
Electrical Specifications
PARAMETER
V
IN
= 3.3V, V
BOOST
= 12V,
R
OSC
= 100k,
T
A
= 25°C Unless Otherwise Specified.
(Continued)
CONDITIONS
MIN
TYP
MAX
UNIT
DESCRIPTION
NEGATIVE REGULATED CHARGE PUMP (V
OFF
)
Most negative V
OFF
output depends on the magnitude of the V
DDN
input voltage (normally connected to V
BOOST
) and the external component
configuration (doubler or tripler)
V
DDN
IQ1(V
DDN
)
IQ2(V
DDN
)
V(FBN)
I(FBN)
I(DRVN)
Supply Input for Negative Charge Pump
Quiescent Current - Shut-down
Quiescent Current - Switching
Feedback Reference Voltage
Feedback Input Bias Current
RMS DRVN Output Current
Magnitude of input bias
V
DDN
= 12V
V
DDN
= 6V
ILR_V
OFF
F
PUMP
Load Regulation
Charge Pump Frequency
-15mA < I
L
< -5mA
Frequency set by R
OSC
- see boost section
15
-0.5
0.03
0.5*F
OSC
0.5
Usually connected to V
BOOST
output
ENBN = 0V
ENBN = V
DDB
-80
5
1.2
2.3
0
0.1
60
17
10
5
+80
V
µA
mA
mV
µA
mA
mA
%/mA
ENABLE CONTROL LOGIC
V
HI-ENX
V
LO-ENX
IL(EN”X”)
IL(ENBN)
IL(ENP)
Enable Input High Threshold
Enable Input Low Threshold
Logic Low Bias Current
Logic High Bias Current
Logic High Bias Current
X = “BN”, “P”
X = “BN”, “P”
X = “BN”, “P” = 0V
ENBN = 5V
ENP = 5V
0.1
7.5
3.3
15
7.5
1.4
0.6
V
V
µA
µA
µA
OVER-TEMPERATURE PROTECTION
T
OT
T
HYS
Over-temperature Threshold
Over-temperature Hysteresis
130
40
°C
°C
FN7100 Rev 5.00
March 9, 2006
Page 3 of 17
EL7581
Pin Descriptions
I = Input, O = Output, S = Supply
PIN NUMBER
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
PIN NAME
VSSB
SS
FBB
VDDB
LX
LX
LX
DRVN
VDDN
FBN
VSSP
FBP
VDDP
DRVP
PGND
PGND
VREF
ENBN
ENP
ROSC
PIN TYPE
S
I
I
S
O
O
O
O
S
I
S
I
S
O
O
O
I
I
I
I
PIN FUNCTION
Ground for DC/DC boost and reference circuits; chip substrate
Soft-start input; the capacitor connected to this pin sets the current limited start time
Voltage feedback input for boost circuit; determines boost output voltage, V
BOOST
Positive supply input for DC/DC boost circuits
Boost regulator inductor drive connected to drain of internal NFET
Boost regulator inductor drive connected to drain of internal NFET
Boost regulator inductor drive connected to drain of internal NFET
Driver output for the external generation of negative charge pump voltage, V
OFF
Positive supply for input for V
OFF
generator
Voltage feedback input to determine negative charge pump output, V
OFF
Negative supply pin for both the positive and negative charge pumps
Voltage feedback to determine positive charge pump output, V
ON
Positive supply input for V
ON
generator
Voltage driver output for the external generation of positive charge pump, V
ON
Power ground, connected to source of internal NFET
Power ground, connected to source of internal NFET
Voltage reference for charge pump circuits; decouple to ground
Enable pin for boost (V
BOOST
generation) and negative charge pump (V
OFF
generation);
active high
Enable for DRVP (V
ON
generation); active high
Connected to an external resistor to ground; sets the switching frequency of the DC/DC boost
An excerpt from an article in the Wall Street Journal: Wow, a paragraph. I hope they won’t cause me any trouble. Following the Google HR director as he strolled around the company’s main workspace, co...
I have a Texas 14-pin CD4019B chip, but the CD4019B datasheets I searched for are all 16-pin. However, there are two pages of 14-pin in the Texas datasheet package description. I can't tell what funct...
[size=14px] 2. Register Rules [/size] [size=14px] Like the floating-point C compiler, strict register usage rules are also defined in the fixed-point C compiler. These rules are very important for wri...
The VDD of 28069 says that when using the internal VREG, this pin does not need an external power supply, and it says that a capacitor can be connected to the ground. Is this the correct understanding...
[i=s]This post was last edited by paulhyde on 2014-9-15 02:58[/i] [b]Abstract:[/b]This system is based on a DC current source and uses the AT89S52 microcontroller as the main controller. The output cu...
The core of a machine vision system is image acquisition and processing. All information comes from images, and image quality is crucial to the entire vision system. A good image can improve the st...[Details]
1 Source of creativity
With the further development of electronic technology, electronic pets have gradually entered people's family life. At present, there are two main categories of relative...[Details]
With the development of science, the use of variable frequency technology is becoming more and more widespread, and it is used in both industrial equipment and household appliances. Inverter air co...[Details]
Tools/Materials
Yitong Chuanglian MODBUS to PROFIBUS Gateway YT-PB-03
Siemens s7-300
This article describes how to configure the YT-PB-03 MODBUS to PROFIBUS gat...[Details]
ESD protection diodes are specialized for small-signal ESD protection or surge protection TVS arrays, often used for multi-circuit protection. Their small package size, low on-state voltage, high i...[Details]
Deep in the laboratory, a seemingly ordinary piece
of
battery
material
was fed into the China Advanced Research Reactor (CARR). Scientists activated the neutron depth profiling device,...[Details]
1. Installing an industrial robot usually requires the following steps:
1. Determine the installation location: Determine the location and direction of the robot installation according to the ...[Details]
Introduction
With the development of mobile internet, technological advancements, and the introduction of high-performance, low-power processing chips, the variety of smart wearable devices has...[Details]
On August 8th, at the 2025 World Conference held in Beijing, Orbbec, under the theme of "Inspired and Dynamic," unveiled a new lineup of sensing products for the robotics field. Among them were the...[Details]
The internet is undergoing astonishing changes every minute: 299 million Teams meetings are recorded, 251 million emails are sent, $43.6 million is spent online, and 1.389 billion Facebook and Inst...[Details]
1. Working Principle, Characteristics and Applications of Semiconductor Light Emitting Diodes
(1) LED lighting principle
Light-emitting diodes are made of semiconductors from Group ...[Details]
On August 14, technology media TechPowerUp published a blog post today (August 14), reporting that on the MSI Claw 8 AI+ A2VM handheld game console, by adjusting the PL2 settings of the Intel Lunar...[Details]
Due to its numerous advantages, including low power consumption, high image quality, and lightweight design, LCD (particularly AM-LCD) has become the dominant technology in the flat-panel display f...[Details]
When the engine is operating normally, the generator supplies power to the electrical equipment and charges the battery. When starting, the battery supplies power to the starter. Since the generato...[Details]
Robotics
Amidst technological and industrial transformations in the robotics sector, leading universities are driving the deep integration of technology and business. Robotics companies found...[Details]
Talking
京公网安备 11010802033920号
EEWORLD
