CAUTION: Do not operate at or near the maximum ratings listed for extended periods of time. Exposure to such conditions may adversely impact product reliability and
result in failures not covered by warranty.
NOTES:
4.
JA
is measured in free air with the component mounted on a high effective thermal conductivity test board with “direct attach” features. See
Tech Brief TB379.
5. For
JC
, the “case temp” location is the center of the exposed metal pad on the package underside.
Electrical Specifications
Unless otherwise noted, all parameters are guaranteed over the operational supply voltage and temperature
range of the device as follows:
T
A
= -40°C to +85°C; V
IN
= (V
O
+ 0.5V) to 6.5V with a minimum V
IN
of 2.3V; C
IN
= 1µF; C
O
= 1µF;
C
BYP
= 0.01µF; C
POR
= 0.01µF.
SYMBOL
TEST CONDITIONS
MIN
(Note 8)
TYP
MAX
(Note 8)
UNITS
PARAMETER
DC CHARACTERISTICS
Supply Voltage
Ground Current
V
IN
Quiescent condition: I
O1
= 0µA; I
O2
= 0µA
I
DD1
I
DD2
One LDO active
Both LDO active
@ +25°C
2.3
6.5
V
25
42
0.1
1.9
1.6
2.1
1.8
32
52
1.0
2.3
2.0
+0.7
+0.8
+1.8
µA
µA
µA
V
V
%
%
%
mA
Shutdown Current
UVLO Threshold
I
DDS
V
UV+
V
UV-
Regulation Voltage Accuracy
Initial accuracy at V
IN
= V
O
+ 0.5V, I
O
= 10mA, T
J
= +25°C
V
IN
= V
O
+ 0.5V to 5.5V, I
O
= 10µA to 300mA, T
J
= +25°C
V
IN
= V
O
+ 0.5V to 5.5V, I
O
= 10µA to 300mA,
T
J
= -40°C to +125°C
-0.7
-0.8
-1.8
300
350
475
300
250
200
145
110
Maximum Output Current
Internal Current Limit
Dropout Voltage (Note 7)
I
MAX
I
LIM
V
DO1
V
DO2
V
DO3
Continuous
600
500
400
325
mA
mV
mV
mV
°C
°C
I
O
= 300mA; V
O
2.5V
I
O
= 300mA; 2.5V
V
O
2.8V
I
O
= 300mA; V
O
> 2.8V
Thermal Shutdown Temperature
T
SD+
T
SD-
AC CHARACTERISTICS
Ripple Rejection (Note 6)
I
O
= 10mA, V
IN
= 2.8V(min), V
O
= 1.8V, C
BYP
= 0.1µF
@ 1kHz
@ 10kHz
@ 100kHz
Output Noise Voltage (Note 6)
DEVICE START-UP CHARACTERISTICS
I
O
= 100µA, V
O
= 1.5V, T
A
= +25°C, C
BYP
= 0.1µF
BW = 10Hz to 100kHz
90
70
50
30
dB
dB
dB
µV
RMS
FN9217 Rev 4.00
March 11, 2008
Page 3 of 11
ISL9000
Electrical Specifications
Unless otherwise noted, all parameters are guaranteed over the operational supply voltage and temperature
range of the device as follows:
T
A
= -40°C to +85°C; V
IN
= (V
O
+ 0.5V) to 6.5V with a minimum V
IN
of 2.3V; C
IN
= 1µF; C
O
= 1µF;
C
BYP
= 0.01µF; C
POR
= 0.01µF.
(Continued)
SYMBOL
t
EN
t
SSR
TEST CONDITIONS
Time from assertion of the ENx pin to when the output
voltage reaches 95% of the VO(nom)
Slope of linear portion of LDO output voltage ramp during
start-up
MIN
(Note 8)
TYP
250
30
MAX
(Note 8)
500
60
UNITS
µs
µs/V
PARAMETER
Device Enable Time
LDO Soft-Start Ramp Rate
EN1, EN2 PIN CHARACTERISTICS
Input Low Voltage
Input High Voltage
Input Leakage Current
Pin Capacitance
V
IL
V
IH
I
IL
, I
IH
C
PIN
Informative
5
-0.3
1.4
0.5
V
IN
+
0.3
0.1
V
V
µA
pF
POR1, POR2 PIN CHARACTERISTICS
POR1, POR2 Thresholds
V
POR+
V
POR-
POR1 Delay
t
P1LH
t
P1HL
POR2 Delay
t
P2LH
t
P2HL
POR1, POR2 Pin Output Low
Voltage
POR1, POR2 Pin Internal Pull-Up
Resistance
NOTES:
6. Limits established by characterization and are not production tested.
7. VOx = 0.98*VOx(NOM); Valid for VOx greater than 1.85V.
8. Parts are 100% tested at +25°C. Temperature limits established by characterization and are not production tested.
[i=s] This post was last edited by 5之丹公英 on 2016-1-17 11:42 [/i] I saw a coin authenticity detection device before, and I measured it and copied down the circuit. But I am a little confused about the ...
A good post that C++ learners must read! As a senior student, I have interviewed many companies, some were successful and some were unsuccessful, but for me, all failures are a kind of success in a se...
reg select; select = !select; //Statement 1 select = ~select; //Statement 2 What is the difference between statement 1 and statement 2, and what are their execution effects?...
This is my first time using Ce. I am now using EVC to make a single-document program on a PDA. Today I found a problem. After opening the form, even if I control the size of the form, it still display...
introduction
With the continuous optimization of surface mount technology (SMT) and the rapid development of chip component manufacturing technology, the application of chip mounters in the el...[Details]
1. Introduction
Automobile pollution is one of the most important issues that people are most concerned about and need to solve urgently. As an important method for detecting automobile exhau...[Details]
1. Introduction
Since the 1980s, with the continuous development of automotive electronic technology, there are more and more electronic control units in automobiles, such as electronic fuel i...[Details]
introduction
For the voltage regulator modules (VRMs) that power the latest computer central processing units (CPUs), power supply designers have historically used multiphase interleaved b...[Details]
1 Introduction
PROFIBUS is an international, open, and manufacturer-independent fieldbus standard. It is widely used in manufacturing automation, process industry automation, and automatio...[Details]
With the advocacy and implementation of the government's Safe City Plan, the security market has increasingly higher requirements for the clarity of surveillance images. Imagine that after a case o...[Details]
0 Introduction
Under normal circumstances, the three-phase power in the power system is symmetrical, and they meet certain amplitude and phase conditions; but when the load changes, the syst...[Details]
0 Introduction
There are many types of sensors, and the working principles, measurement targets and measurement environments of different types of sensors vary greatly. The corresponding detection s...[Details]
The demand for improved healthcare environments is endless, so medical imaging equipment with higher resolution is needed to better observe the human body. High resolution brings problems with sign...[Details]
Battery clamps, commonly known as battery connectors, come in two sizes depending on the thickness of the battery terminals. One is the battery clamp used on thick terminals, with a positive termin...[Details]
Electrostatic coupling and interference occur when a charged object is close to the input of the circuit being measured. At low impedance, the effects of interference are not noticeable because th...[Details]
The overall operating performance of an electric car depends first on its battery system and motor drive system. The drive system of an electric car is generally composed of three main parts: a con...[Details]
In the 1980s, breakthroughs were made in the design and production of small, low-power quartz metal halide lamps with precise dimensions. At the same time, with the acceleration of people's lives a...[Details]
With the tense global energy situation and the improvement of human environmental protection awareness, the research and development of power batteries is in full swing around the world. At present...[Details]
1. Electromagnetic compatibility design
Electromagnetic compatibility refers to the ability of electronic equipment to work in a coordinated and effective manner in various electromagnetic env...[Details]
Industrial Control Electronics
京公网安备 11010802033920号
EEWORLD
