DATASHEET

DATASHEET
25µA Micropower Voltage References
ISL21070
Features
The ISL21070 voltage references are analog voltage
references featuring low supply voltage operation at ultra-low
25µA max operating current.
• Reference output voltage . . . . . . . . . 0.600V, 2.048V, 2.500V
• Initial accuracy: 0.600V. . . . . . . . . . . . . . . . . . . . . . . . . . ±1.0%
• Initial accuracy: 2.048V. . . . . . . . . . . . . . . . . . . . . . . . .±0.25%
Additionally, the ISL21070 family features guaranteed initial
accuracy as low as ±0.2% and 30ppm/°C temperature
coefficient.
• Initial accuracy: 2.5V . . . . . . . . . . . . . . . . . . . . . . . . . . . ..±0.2%
• Input voltage range
- ISL21070-06 . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
- ISL21070-20 . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
- ISL21070-25. . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
These references are ideal for general purpose applications for
performance at lower cost. The ISL21070 is provided in an
industry standard 3 Ld SOT-23 pinout.
• Output voltage noise . . . . . . . . . . . . . 30µVP-P (0.1Hz to 10Hz)
The ISL21070 offers output voltages that can be used as
precision voltage sources for control loops, standby voltages
for low power states for DSP, FPGA, Data path Controllers,
Microcontrollers and other core voltages: 0.600V, 2.048V, and
2.5V.
• Supply current . . . . . . . . . . . . . . . . . . . . . . . . . . . . .25µA (max)
• Tempco (0.600V only) . . . . . . . . . . . . . . . . . . . . . . . 50ppm/°C
• Tempco (all others) . . . . . . . . . . . . . . . . . . . . . . . . . 30ppm/°C
• Output current capability . . . . . . . . . . . . . . . . . . . . . . . ±10mA
Applications
• Operating temperature range. . . . . . . . . . . . . -40°C to +85°C
• Battery management/monitoring
• Package . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Ld SOT-23
• Low power standby voltages
• Pb-Free (RoHS compliant)
• Portable instrumentation
Related Literature
• Consumer/medical electronics
• Wearable Electronics
• AN1533, “X-Ray Effects on Intersil FGA References”
• Lower Cost industrial and instrumentation
• AN1494, “Reflow and PC Board Assembly Effects on Intersil
FGA References”
• Power regulation circuits
• Control loops and compensation networks
• LED/diode supply
2.5020
VOUT (V)
NORMALIZED TO +25°C
2.5015
2.5010
TYP
2.5005
2.5000
2.4995
LOW
2.4990
-40 -30 -20 -10
0
HIGH
10
20
30
40
50
60
70
80
TEMPERATURE (°C)
FIGURE 1. VOUT vs TEMPERATURE NORMALIZED to +25°C
September 3, 2015
FN7599.3
1
CAUTION: These devices are sensitive to electrostatic discharge; follow proper IC Handling Procedures.
1-888-INTERSIL or 1-888-468-3774 | Copyright Intersil Americas LLC 2010, 2011, 2014, 2015. All Rights Reserved
Intersil (and design) is a trademark owned by Intersil Corporation or one of its subsidiaries.
All other trademarks mentioned are the property of their respective owners.
ISL21070
Typical Application Circuit
2.7V TO 5.5V
0.1µF
10µF
VIN
+
VOUT
VOUT SENSE
–
ISL21070
LOAD
GND
Pin Configuration
ISL21070
(3 LD SOT-23)
TOP VIEW
VIN 1
3
GND
VOUT 2
Pin Descriptions
PIN NUMBER
PIN NAME
DESCRIPTION
1
VIN
2
VOUT
Voltage Reference Output.
3
GND
Ground Connection
Input Voltage Connection. Range: 2.7 to 5.5V
Ordering Information
PART
MARKING
(Note 4)
PACKAGE
Tape & Reel
PKG.
(Pb-Free)
DWG. #
VOUT OPTION
(V)
GRADE
TEMP. RANGE
(°C)
ISL21070DIH306Z-TK (No longer available, recommended BDNA
replacement: ISL21070CIH325Z-TK)
0.600
±1.0%, 50ppm/°C
-40 to +85
3 Ld SOT-23
P3.064
ISL21070CIH320Z-TK
BCHA
2.048
±0.25%, 30ppm/°C
-40 to +85
3 Ld SOT-23
P3.064
ISL21070CIH325Z-TK
BCJA
2.5
±0.2%, 30ppm/°C
-40 to +85
3 Ld SOT-23
P3.064
PART NUMBER
(Notes 1, 2, 3)
NOTES:
1. Please refer to TB347 for details on reel specifications.
2. These Intersil Pb-free plastic packaged products employ special Pb-free material sets, molding compounds/die attach materials, and 100% matte
tin plate plus anneal (e3 termination finish, which is RoHS compliant and compatible with both SnPb and Pb-free soldering operations). Intersil
Pb-free products are MSL classified at Pb-free peak reflow temperatures that meet or exceed the Pb-free requirements of IPC/JEDEC J STD-020.
3. For Moisture Sensitivity Level (MSL), please see device information page for ISL21070. For more information on MSL please see techbrief TB363.
4. The part marking is located on the bottom of the part.
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FN7599.3
September 3, 2015
ISL21070
Absolute Voltage Ratings
Thermal Information
Max Voltage
VIN to GND . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to +6.5V
VOUT (pin) to GND (10s) . . . . . . . . . . . . . . . . . . . . . . . . . -0.5V to VOUT + 1V
ESD Ratings
Human Body Model (Tested per JESD22-A114) . . . . . . . . . . . . . . . 6000V
Machine Model (Tested per JESD22-A115) . . . . . . . . . . . . . . . . . . . 500V
Charged Device Model (Tested per JESD22-C101) . . . . . . . . . . . . . . 2kV
Latch Up (Tested Per JESD-78) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 100mA
Thermal Resistance (Typical)
JA (°C/W) JC (°C/W)
3 Ld SOT-23 (Notes 6, 7) . . . . . . . . . . . . . . .
275
110
Continuous Power Dissipation (TA = +85°C). . . . . . . . . . . . . . . . . . . . 99mW
Storage Temperature Range. . . . . . . . . . . . . . . . . . . . . . . .-65°C to +150°C
Pb-Free Reflow Profile (Note 8). . . . . . . . . . . . . . . . . . . . . . . . see link below
http://www.intersil.com/pbfree/Pb-FreeReflow.asp
Environmental Operating Conditions
Temperature Range (Industrial) . . . . . . . . . . . . . . . . . . . . . . -40°C to +85°C
Supply Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2.7V to 5.5V
Recommended Operating Conditions
X-Ray Exposure (Note 5) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10mRem
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:
5. Measured with no filtering, distance of 10” from source, intensity set to 55kV and 70mA current, 30s duration. Other exposure levels should be
analyzed for Output Voltage drift effects. See “Applications Information” on page 7.
6. JA is measured with the component mounted on a high effective thermal conductivity test board in free air. See Tech Brief TB379 for details.
7. For JC, the “case temp” location is taken at the package top center.
8. Post-reflow drift for the ISL21070 devices will range from 100µV to 1.0mV based on experimental results with devices on FR4 double sided boards.
The design engineer must take this into account when considering the reference voltage after assembly.
Electrical Specifications
(ISL21070-06, VOUT = 0.600V)
specified. Boldface limits apply over the operating temperature range, -40°C to +85°C.
SYMBOL
PARAMETER
CONDITIONS
VOUT
Output Voltage
VOA
VOUT Accuracy @ TA = +25°C
ISL21070 D-grade
Output Voltage Temperature Coefficient
(Note 9)
ISL21070 D-grade
TC VOUT
VIN = 3.0V, TA = -40°C to +85°C, IOUT = 0, unless otherwise
MIN
(Note 12)
TYP
MAX
(Note 12)
0.600
-1.0
UNITS
V
+1.0
%
50
ppm/°C
5.5
V
11
25
µA
VIN
Input Voltage Range
IIN
Supply Current
VOUT/VIN
Line Regulation
2.7V < VIN < 5.5V
20
250
µV/V
VOUT/IOUT
Load Regulation
Sourcing: 0mA  IOUT  10mA
3
100
µV/mA
Sinking: -10mA  IOUT 0mA
6
100
µV/mA
2.7
ISC
Short Circuit Current
TA = +25°C, VOUT tied to GND
50
mA
tR
Turn-on Settling Time
VOUT = ±0.1%
150
µs
Ripple Rejection
f = 10kHz
-20
dB
eN
Output Voltage Noise
0.1Hz  f 10Hz
30
µVP-P
VN
Broadband Voltage Noise
10Hz  f 10kHz
10
µVRMS
VOUT/TA
Thermal Hysteresis (Note 10)
TA = +125°C
20
ppm
VOUT/t
Long Term Stability (Note 11)
TA = +25°C
70
ppm
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FN7599.3
September 3, 2015
ISL21070
Electrical Specifications
(ISL21070-20, VOUT = 2.048V)
specified. Boldface limits apply over the operating temperature range, -40°C to +85°C
SYMBOL
PARAMETER
MIN
(Note 12)
CONDITIONS
VOUT
Output Voltage
VOA
VOUT Accuracy @ TA = +25°C
ISL21070 C-grade: 2.048
Output Voltage Temperature Coefficient
(Note 9)
ISL21070 C-grade
TC VOUT
Input Voltage Range
IIN
Supply Current
Line Regulation
VOUT/IOUT
Load Regulation
TYP
MAX
(Note 12)
UNIT
2.048
VIN
VOUT/VIN
VIN = 3.0V, TA = -40°C to +85°C, IOUT = 0, unless otherwise
-0.25
2.7
V
+0.25
%
30
ppm/°C
5.5
V
11
25
µA
25
250
µV/V
Sourcing: 0mA  IOUT  10mA
3
100
µV/mA
Sinking: -10mA  IOUT 0mA
6
100
µV/mA
2.7V < VIN < 5.5V
ISC
Short Circuit Current
TA = +25°C, VOUT tied to GND
50
mA
tR
Turn-on Settling Time
VOUT = ±0.1%
150
µs
Ripple Rejection
f = 10kHz
-20
dB
eN
Output Voltage Noise
0.1Hz  f 10Hz
30
µVP-P
VN
Broadband Voltage Noise
10Hz  f 10kHz
10
µVRMS
VOUT/TA
Thermal Hysteresis (Note 10)
TA = +125°C
40
ppm
VOUT/t
Long Term Stability (Note 11)
TA = +25°C
50
ppm
Electrical Specifications
(ISL21070-25, VOUT = 2.5V)
specified. Boldface limits apply over the operating temperature range, -40°C to +85°C.
SYMBOL
PARAMETER
CONDITIONS
VOUT
Output Voltage
VOA
VOUT Accuracy @ TA = +25°C
ISL21070 C-grade
TC VOUT
Output Voltage Temperature
Coefficient (Note 9)
ISL21070 C-grade
VIN
Input Voltage Range
IIN
Supply Current
VOUT/VIN
VOUT/IOUT
VIN = 3.0V, TA = -40°C to +85°C, IOUT = 0, unless otherwise
MIN
(Note 12)
TYP
MAX
(Note 12)
UNIT
2.5
-0.2
2.7
V
+0.2
%
30
ppm/°C
5.5
V
VEN = VIN
11
25
µA
Line Regulation
2.7V < VIN < 5.5V
15
250
µV/V
Load Regulation
Sourcing: 0mA  IOUT  7mA
6
100
µV/mA
Sourcing: 0mA  IOUT  10mA
(TA = +70°C)
133
Sinking: -10mA  IOUT 0mA
10
µV/mA
100
µV/mA
ISC
Short Circuit Current
TA = +25°C, VOUT tied to GND
30
tR
Turn-on Settling Time
VOUT = ±0.1%
150
mA
µs
Ripple Rejection
f = 10kHz
-20
dB
eN
Output Voltage Noise
0.1Hz  f 10Hz
30
µVP-P
VN
Broadband Voltage Noise
10Hz  f 10kHz
10
µVRMS
VOUT/TA
Thermal Hysteresis (Note 10)
TA = +125°C
20
ppm
VOUT/t
Long Term Stability (Note 11)
TA = +25°C
50
ppm
NOTES:
9. Over the specified temperature range. Temperature coefficient is measured by the box method whereby the change in VOUT is divided by the
temperature range; in this case, -40°C to +85°C = +125°C.
10. Thermal Hysteresis is the change of VOUT measured @ TA = +25°C after temperature cycling over a specified range, TA. VOUT is read initially at TA =
+25°C for the device under test. The device is temperature cycled and a second VOUT measurement is taken at +25°C. The difference between the
initial VOUT reading and the second VOUT reading is then expressed in ppm. For  TA = +125°C, the device under test is cycled from +25°C to +85°C
to -40°C to +25°C.
11. Long term drift is logarithmic in nature and diminishes over time. Drift after the first 1000 hours will be approximately 10ppm/1khrs
12. Compliance to datasheet limits is assured by one or more methods: production test, characterization and/or design.
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FN7599.3
September 3, 2015
ISL21070
Typical Performance Characteristics Curves
VOUT = 2.5V, VIN = 3V, IOUT = 0mA, TA = +25°C unless otherwise specified.
20
14
HIGH
18
16
13
TYP
14
IIN (µA)
12
IIN (µA)
+25°C
12
10
8
11
10
6
4
LOW
-85°C
9
-40°C
2
0
2.7
3.1
3.5
3.9
4.3
4.7
5.1
8
2.7
5.5
3.1
3.5
3.9
VIN (V)
2.50030
TYP
2.50020
2.50015
2.50010
2.50005
2.50000
2.49995
LOW
3.1
HIGH
3.5
3.9
4.3
VIN (V)
4.7
5.1
5.5
+25°C
150
100
-85°C
50
0
-40°C
-50
-100
-150
2.7
5.5
3.1
3.5
3.9
4.3
VIN (V)
20
10
VOUT (mV)
TYP
2.5000
5
0
-5
-10
VIN = -0.3V
-15
LOW
2.4990
-40 -30 -20 -10
-20
HIGH
0
10
20
30
40
50
60
TEMPERATURE (°C)
FIGURE 6. VOUT vs TEMPERATURE NORMALIZED to +25°C
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5.5
VIN = +0.3V
15
2.5005
2.4995
5.1
25
2.5015
2.5010
4.7
FIGURE 5. LINE REGULATION OVER-TEMPERATURE
2.5020
VOUT (V)
5.1
200
2.50025
FIGURE 4. LINE REGULATION, 3 UNITS
NORMALIZED TO +25°C
4.7
FIGURE 3. IIN vs VIN OVER-TEMPERATURE
VOUT (µV)
NORMALIZED TO VIN = 3.0V
VOUT (V)
NORMALIZED TO 2.5V AT VIN = 3.0V
FIGURE 2. IIN vs VIN, 3 UNITS
2.49990
2.7
4.3
VIN (V)
5
70
80
-25
0
50
100
150
200
250
300
350
400
450
500
TIME (µs)
FIGURE 7. LINE TRANSIENT RESPONSE, WITH 1nF CAPACITIVE
LOAD
FN7599.3
September 3, 2015
ISL21070
Typical Performance Characteristics Curves
VOUT = 2.5V, VIN = 3V, IOUT = 0mA, TA = +25°C unless otherwise specified. (Continued)
25
100
20
80
15
40
5
VOUT (µV)
VOUT (mV)
10
0
-5
-10
20
0
-40
-80
-25
0
50
100
150
200 250 300
TIME (µs)
350
400
450
-100
-10 -9 -8 -7 -6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 7 8 9 10
SINKING
LOAD (mA)
SOURCING
500
FIGURE 9. LOAD REGULATION OVER-TEMPERATURE
FIGURE 8. LINE TRANSIENT RESPONSE, WITH NO CAPACITIVE LOAD
500
200
400
160
120
300
ILOAD = +10mA
200
ILOAD = +50mA
80
100
VOUT (mV)
VOUT (mV)
-85°C
-60
-20
0
-100
-200
40
0
-40
ILOAD = -50mA
-80
-120
-300
ILOAD = -10mA
-400
-500
-40°C
-20
VIN = -0.3V
-15
+25°C
60
VIN = +0.3V
0
20
40
60
80 100 120
TIME (µs)
-160
140
160
180
200
-200
0
60
80
100
120
140
160
180
200
FIGURE 11. LOAD TRANSIENT RESPONSE
2.510
3.5
2.508
3.0
2.506
TYP
2.5
10mA LOAD
2.504
2.502
VOUT (V)
VOUT (V)
40
TIME (µs)
FIGURE 10. LOAD TRANSIENT RESPONSE
2.500
2.498
2.496
20
NO LOAD
VDD
2.0
1.5
1.0
2.494
LOW
0.5
2.492
2.490
2.4 2.5 2.6 2.7 2.8 2.9 3.03.1 3.2 3.3 3.4 3.5 3.6 3.7 3.8 3.9 4.0
VIN (V)
FIGURE 12. DROPOUT
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0
0
HIGH
50
100
150
TIME (µs)
200
250
300
FIGURE 13. TURN-ON TIME
FN7599.3
September 3, 2015
ISL21070
Typical Performance Characteristics Curves
VOUT = 2.5V, VIN = 3V, IOUT = 0mA, TA = +25°C unless otherwise specified. (Continued)
120
0
NO LOAD
1nF LOAD
100
1nF LOAD
-20
10nF LOAD
10nF LOAD
-30
PSRR (dB)
80
ZOUT (Ω)
NO LOAD
-10
100nF LOAD
60
40
-40
-50
-60
100nF LOAD
-70
-80
20
-90
0
1
10
100
1k
10k
100k
-100
1M
1
FREQUENCY (Hz)
10
100
1k
10k
100k
1M
10M
FREQUENCY (Hz)
FIGURE 15. PSRR vs FREQUENCY
5µV/DIV
FIGURE 14. ZOUT vs f vs CL
1s/DIV
FIGURE 16. VOUT NOISE, 0.1Hz TO 10Hz
Applications Information
FGA Technology
The ISL21070 series of voltage references use the floating gate
technology to create references with very low drift and supply
current. Essentially, the charge stored on a floating gate cell is set
precisely in manufacturing. The reference voltage output itself is a
buffered version of the floating gate voltage. The resulting reference
device has excellent characteristics which are unique in the industry:
very low temperature drift, high initial accuracy, and almost zero
supply current. Also, the reference voltage itself is not limited by
voltage bandgaps or zener settings, so a wide range of reference
voltages can be programmed (standard voltage settings are
provided, but customer-specific voltages are available).
The process used for these reference devices is a floating gate
CMOS process, and the amplifier circuitry uses CMOS transistors
for amplifier and output transistor circuitry. While providing
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excellent accuracy, there are limitations in output noise level and
load regulation due to the MOS device characteristics. These
limitations are addressed with circuit techniques discussed in
other sections.
Handling and Board Mounting
FGA references provide excellent initial accuracy and low
temperature drift at the expense of very little power drain. There
are some precautions to take to insure this accuracy is not
compromised. Excessive heat during solder reflow can cause
excessive initial accuracy drift, so the recommended +260°C
max temperature profile should not be exceeded. Expect up to
1mV drift from the solder reflow process.
FGA references are susceptible to excessive X-radiation like that
used in PC board manufacturing. Initial accuracy can change
10mV or more under extreme radiation. If an assembled board
needs to be X-rayed, care should be taken to shield the FGA
FN7599.3
September 3, 2015
ISL21070
reference device.
Board Mounting Considerations
For applications requiring the highest accuracy, board mounting
location should be reviewed. Placing the device in areas subject to
slight twisting can cause degradation of the accuracy of the
reference voltage due to die stresses. It is normally best to place the
device near the edge of a board, or the shortest side, as the axis of
bending is most limited at that location. Obviously, mounting the
device on flexprint or extremely thin PC material will likewise cause
loss of reference accuracy.
Board Assembly Considerations
FGA references provide high accuracy and low temperature drift
but some PC board assembly precautions are necessary. Normal
Output voltage shifts of 100µV to 1mV can be expected with
Pb-free reflow profiles or wave solder on multi-layer FR4 PC
boards. Precautions should be taken to avoid excessive heat or
extended exposure to high reflow or wave solder temperatures,
this may reduce device initial accuracy.
Post-assembly x-ray inspection may also lead to permanent changes in
device output voltage and should be minimized or avoided. If x-ray
inspection is required, it is advisable to monitor the reference output
voltage to verify excessive shift has not occurred. If large amounts of
shift are observed, it is best to add an X-ray shield consisting of thin zinc
(300µm) sheeting to allow clear imaging, yet block x-ray energy that
affects the FGA reference.
Special Applications Considerations
In addition to post-assembly examination, there are also other
X-ray sources that may affect the FGA reference long term
accuracy. Airport screening machines contain X-rays and will
have a cumulative effect on the voltage reference output
accuracy. Carry-on luggage screening uses low level X-rays and is
not a major source of output voltage shift, however, if a product is
expected to pass through that type of screening over 100 times,
it may need to consider shielding with copper or aluminum.
Checked luggage X-rays are higher intensity and can cause
output voltage shift in much fewer passes, thus devices expected
to go through those machines should definitely consider
shielding. Note that just two layers of 1/2 ounce copper planes
will reduce the received dose by over 90%. The leadframe for the
device which is on the bottom also provides similar shielding.
If a device is expected to pass through luggage X-ray machines
numerous times, it is advised to mount a 2-layer (minimum) PC
board on the top, and along with a ground plane underneath will
effectively shield it from 50 to 100 passes through the machine.
Since these machines vary in X-ray dose delivered, it is difficult to
produce an accurate maximum pass recommendation.
Noise Performance and Reduction
The output noise voltage in a 0.1Hz to 10Hz bandwidth is
typically 30µVP-P. The noise measurement is made with a
bandpass filter made of a 1 pole high-pass filter with a corner
frequency at 0.1Hz and a 2-pole low-pass filter with a corner
frequency at 12.6Hz to create a filter with a 9.9Hz bandwidth.
Wideband noise is reduced by adding capacitor to the output, but
the value should be limited to 1nF or less to insure stability.
Temperature Drift
The limits stated for output accuracy over-temperature are
governed by the method of measurement. For the -40°C to 85°C
temperature range, measurements are made at +25°C and the
two extremes. This measurement method combined with the
fact that FGA references have a fairly linear temperature drift
characteristic insures that the limits stated will not be exceeded
over the temperature range.
ISL21070 Used as a Low Cost Precision
Current Source
Using an N-JET and the ISL21070, a precision, low cost, high
impedance current source can be created. The precision of the
current source is largely dependent on the tempco and accuracy
of the reference. The current setting resistor contributes less than
20% of the error.
+8V TO 28V
VOUT
ISET =
RSET
IL = ISET + IRSET
VIN
0.01µF
VOUT
ISL21070-2.5
VOUT = 2.5V
RSET
ZOUT > 100M
1k
0.1%
10ppm/°C
GND
ISY ~ 11µA
ISET
IL AT 0.1% ACCURACY
~2.5011mA
FIGURE 17. ISL21070 USED AS A LOW COST PRECISION CURRENT
SOURCE
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September 3, 2015
ISL21070
Typical Application Circuits
VIN = 3.0V
R = 200
2N2905
VIN
VOUT
2.5V/50mA
ISL21070
0.001µF
GND
FIGURE 18. PRECISION 2.5V 50mA REFERENCE
2.7V TO 5.5V
0.1µF
10µF
VIN
VOUT
ISL21070
GND
0.001µF
VCC
RH
VOUT
X9119
+
SDA
2-WIRE BUS
SCL
VSS
–
VOUT
(BUFFERED)
RL
FIGURE 19. 2.5V FULL SCALE LOW-DRIFT 10-BIT ADJUSTABLE VOLTAGE SOURCE
2.7V TO 5.5V
0.1µF
10µF
VIN
VOUT
ISL21070
+
VOUT SENSE
–
LOAD
GND
FIGURE 20. KELVIN SENSED LOAD
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ISL21070
Revision History
The revision history provided is for informational purposes only and is believed to be accurate, but not warranted. Please go to web to make sure you have
the latest Rev.
DATE
REVISION
CHANGE
September 3, 2015
FN7599.4
Updated Ordering Information Table on page 2.
June 23, 2014
FN7599.3
• Updated POD with following changes:
In Detail A, changed lead width dimension from 0.13+/-0.05 to 0.085-0.19
Changed dimension of foot of lead from 0.31+/-0.10 to 0.38+/-0.10
In Land Pattern, added 0.4 Rad Typ dimension
In Side View, changed height of package from 0.91+/-0.03 to 0.95+/-0.07
April 4, 2011
FN7599.2
Converted to New Intersil Template
Updated page 1 description (removed 3.3V from last paragraph)
Updated “Features” on page 1 as follows:
-Removed 3.3V from Reference Output Voltage bullet.
-Removed "Initial Accuracy: 3.3V from 2.5V...±0.2% option"
-Removed “ISL21070-33 (Coming Soon)” under Input Voltage Range bullet
Updated “Ordering Information” on page 2 as follows:
-Removed ISL21070CIH333Z-TK 3.3V option
Updated “Electrical Specification” as follows:
-Removed 3.3V option electrical specification header and table
Updated Parameters Note in Electrical spec from “parameters...” to “compliance...”
April 19, 2010
FN7599.1
Added product variation for 0.6V and 2.048V. Removed 1.024V coming soon part. Updated throughout
accordingly as follows:
Updated page 1 description (removed 1.024V from last paragraph and added 0.6V)
Updated “Features” on page 1 as follows:
-removed 1.024V from Reference Output Voltage bullet. Added 0.600V.
-removed "Initial Accuracy: 1.024V . . .±0.5%" and added "Initial Accuracy: 0.600V . . ±1.0%"
-removed "Coming Soon" from ISL21070-20 under Input Voltage Range bullet. Also, removed ISL21070-10
(coming soon) part and added ISL21070-06 part.
-added "Tempco (0.600V only). . . . . 50ppm/°C"
-added "all others" to "Tempco (all others) . . . 30ppm/°C"
Updated “Ordering Information” on page 2 to add ISL21070DIH306Z-TK 0.6V option. Removed 1.024V option
ISL21070CIH310Z-TK
Added Note 4 to Part Marking column of “Ordering Information” on page 2.
-Added "Electrical Specifications (ISL21070-06, VOUT = 0.600V)" table to page 3 and "Electrical Specifications
(ISL21070-20, VOUT = 2.048V)" table to page 4
-Removed "Electrical Specifications (ISL21070-xx, VOUT = 1.024V to 2.048V)" table
Added Theta JC of 110 to “Thermal Information” on page 3. Added applicable Theta JC Note 7 (“For JC, the
“case temp” location is taken at the package top center.”)
Revised Theta JA in “Thermal Information” on page 3 from 371 to 275
Added Figure 16. “VOUT NOISE, 0.1Hz TO 10Hz” to page 7.
March 19, 2010
FN7599.0
Initial release.
About Intersil
Intersil Corporation is a leading provider of innovative power management and precision analog solutions. The company's products
address some of the largest markets within the industrial and infrastructure, mobile computing and high-end consumer markets.
For the most updated datasheet, application notes, related documentation and related parts, please see the respective product
information page found at www.intersil.com.
You may report errors or suggestions for improving this datasheet by visiting www.intersil.com/ask.
Reliability reports are also available from our website at www.intersil.com/support
For additional products, see www.intersil.com/en/products.html
Intersil products are manufactured, assembled and tested utilizing ISO9001 quality systems as noted
in the quality certifications found at www.intersil.com/en/support/qualandreliability.html
Intersil products are sold by description only. Intersil Corporation reserves the right to make changes in circuit design, software and/or specifications at any time
without notice. Accordingly, the reader is cautioned to verify that data sheets are current before placing orders. Information furnished by Intersil is believed to be
accurate and reliable. However, no responsibility is assumed by Intersil or its subsidiaries for its use; nor for any infringements of patents or other rights of third
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For information regarding Intersil Corporation and its products, see www.intersil.com
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ISL21070
Package Outline Drawing
P3.064
3 LEAD SMALL OUTLINE TRANSISTOR PLASTIC PACKAGE (SOT23-3)
Rev 3, 3/12
2.92±0.12
4
DETAIL "A"
C
L
0.085 - 0.19
2.37±0.27
1.30±0.10
4
C
L
0.950
0.435±0.065
0 - 8 deg.
0.20 M C
TOP VIEW
10° TYP
(2 plcs)
0.25
0.95±0.07
GAUGE PLANE
1.00±0.12
SEATING PLANE
C
SEATING PLANE
0.10 C
0.38±0.10 5
0.013(MIN)
0.100(MAX)
SIDE VIEW
DETAIL "A"
(0.60)
NOTES:
(2.15)
1.
Dimensions are in millimeters.
Dimensions in ( ) for Reference Only.
2.
Dimensioning and tolerancing conform to AMSEY14.5m-1994.
3.
Reference JEDEC TO-236.
4.
Dimension does not include interlead flash or protrusions.
Interlead flash or protrusions shall not exceed 0.25mm per side.
5.
Footlength is measured at reference to gauge plane.
(1.25)
(0.4 RAD TYP.)
(0.95 typ.)
TYPICAL RECOMMENDED LAND PATTERN
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September 3, 2015
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