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ALD910028SAL

Description
Headers u0026 Wire Housings RECEPTACLE 4P DUAL ROW
Categorysemiconductor    Discrete semiconductor   
File Size439KB,6 Pages
ManufacturerLinear ( ADI )
Websitehttp://www.analog.com/cn/index.html
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ALD910028SAL Overview

Headers u0026 Wire Housings RECEPTACLE 4P DUAL ROW

ALD910028SAL Parametric

Parameter NameAttribute value
Product CategoryMOSFET
ManufacturerLinear ( ADI )
RoHSDetails
TechnologySi
Mounting StyleSMD/SMT
Package / CaseSOIC-8
Number of Channels2 Channel
Transistor PolarityN-Channel
Vds - Drain-Source Breakdown Voltage10.6 V, 10.6 V
Id - Continuous Drain Current1 uA, 1 uA
Rds On - Drain-Source Resistance2.8 MOhms, 2.8 MOhms
Vgs th - Gate-Source Threshold Voltage2.78 V, 2.78 V
Vgs - Gate-Source Voltage10.6 V, 10.6 V
Minimum Operating Temperature0 C
Maximum Operating Temperature+ 70 C
ConfigurationDual
Channel ModeEnhancement
PackagingTube
Pd - Power Dissipation500 mW (1/2 W)
Factory Pack Quantity50
Transistor Type2 N-Channel
Typical Turn-Off Delay Time10 ns, 10 ns
Typical Turn-On Delay Time10 ns, 10 ns
Unit Weight0.002998 oz
A
DVANCED
L
INEAR
D
EVICES,
I
NC.
ALD810028/ALD910028
e
TM
EPAD
E
N
®
AB
LE
D
QUAD/DUAL SUPERCAPACITOR AUTO BALANCING (SAB
) MOSFET ARRAY
GENERAL DESCRIPTION
The ALD810028/ALD910028 are members of the ALD8100xx
(quad) and ALD9100xx (dual) family of Supercapacitor Auto Bal-
ancing MOSFETs, or SAB™ MOSFETs. SAB MOSFETs are built
with production proven EPAD
®
technology and are designed to ad-
dress voltage and leakage-current balancing of supercapacitors
connected in series. Supercapacitors, also known as ultracapacitors
or supercaps, connected in series can be leakage-current balanced
by using a combination of one or more devices connected across
each supercapacitor stack to prevent over-voltages.
The ALD810028 offers a set of unique, precise operating voltage
and current characteristics for each of four SAB MOSFET devices,
as shown in its Operating Electrical Characteristics table. It can be
used to balance up to four supercapacitors connected in series.
The ALD910028 has its own set of unique precision Operating Elec-
trical Characteristics for each of its two SAB MOSFET devices,
suitable for up to two series-connected supercapacitors.
Each SAB MOSFET features a precision gate threshold voltage in
the V
t
mode, which is 2.80V when the gate-drain source terminals
(V
GS
= V
DS
) are connected together at a drain-source current of
I
DS(ON)
= 1µA. In this mode, input voltage V
IN
= V
GS
= V
DS.
Dif-
ferent V
IN
produces an Output Current I
OUT
= I
DS(ON)
character-
istic and results in an effective variable resistor that varies in value
exponentially with V
IN
. This V
IN
, when connected across each
supercapacitor in a series, balances each supercapacitor to within
its voltage and current limits.
When V
IN
= 2.80V is applied to an ALD810028/ALD910028, its
I
OUT
is 1µA. For a 100mV increase in V
IN
, to 2.90V, I
OUT
increases
by about tenfold. For an additional increase in V
IN
to 3.02V for the
ALD910028 (3.04V for the ALD810028), I
OUT
increases one hun-
dredfold, to 100µA. Conversely, for a 100mV decrease in V
IN
to
2.70V, I
OUT
decreases to one tenth of its previous value, to 0.1µA.
Another 100mV decrease in input voltage would reduce I
OUT
to
0.01µA. Hence, when an ALD810028/ALD910028 SAB MOSFET
is connected across a supercapacitor that charges to less than
2.60V, it would dissipate essentially no power.
(Continued on next page)
FEATURES & BENEFITS
• Simple and economical to use
• Precision factory trimmed
• Automatically regulates and balances leakage currents
• Effective for supercapacitor charge-balancing
• Balances up to 4 supercaps with a single IC package
• Balances 2-cell, 3-cell, 4-cell series-connected supercaps
• Scalable to larger supercap stacks and arrays
• Near zero additional leakage currents
• Zero leakage at 0.3V below rated voltages
• Balances series and/or parallel-connected supercaps
• Leakage currents are exponential function of cell voltages
• Active current ranges from <0.3nA to >1000µA
• Always active, always fast response time
• Minimizes leakage currents and power dissipation
APPLICATIONS
• Series-connected supercapacitor cell leakage balancing
• Energy harvesting
• Long term backup battery with supercapacitor outputs
• Zero-power voltage divider at selected voltages
• Matched current mirrors and current sources
• Zero-power mode maximum voltage limiter
• Scaled supercapacitor stacks and arrays
PIN CONFIGURATIONS
ALD810028
IC*
1
M1
M2
16
15
14
V-
V-
13
12
M4
M3
11
10
V-
V-
9
IC*
D
N2
G
N2
S
N2
V+
D
N3
G
N3
S
N3
D
N1
2
G
N1
3
S
N1
4
V-
5
D
N4
6
PRODUCT FAMILY SPECIFICATIONS
For more information on supercapacitor balancing, how SAB
MOSFETs achieve automatic supercapacitor balancing, the device
characteristics of the SAB MOSFET family, product family product
selection guide, applications, configurations, and package infor-
mation, please download from www.aldinc.com the document:
“ALD8100xx/ALD9100xx Family of Supercapacitor Auto Balanc-
ing (SAB™) MOSFET ARRAYs”
IC*
1
V-
G
N4
7
S
N4
8
SCL PACKAGE
ALD910028
8 V+
7 G
N2
6 D
N2
5 S
N2,
V-
ORDERING INFORMATION
(“L” suffix
denotes lead-free (RoHS))
Package
16-Pin SOIC
8-Pin SOIC
Operating Temperature Range
0°C to +70°C
-40°C to +85°C
(Commercial)
ALD810028SCL
ALD910028SAL
(Industrial)
ALD810028SCLI
ALD910028SALI
www.aldinc.com
G
N1
2
D
N1
3
S
N1
4
SAL PACKAGE
*IC pins are internally connected, connect to V-
©2014 Advanced Linear Devices, Inc., Vers. 2.0
1 of 6

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Description Headers u0026 Wire Housings RECEPTACLE 4P DUAL ROW
Product Category MOSFET MOSFET
Manufacturer Linear ( ADI ) Linear ( ADI )
RoHS Details Details
Technology Si Si
Package / Case SOIC-8 SOIC-16
Number of Channels 2 Channel 4 Channel
Transistor Polarity N-Channel N-Channel
Minimum Operating Temperature 0 C - 40 C
Maximum Operating Temperature + 70 C + 85 C
Packaging Tube Tube
Factory Pack Quantity 50 50
Transistor Type 2 N-Channel 4 N-Channel
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