KD1084ADT-R STMicroelectronics, KD1084ADT-R Datasheet

IC REG LDO 5A ADJ VOLT POS DPAK

KD1084ADT-R

Manufacturer Part Number
KD1084ADT-R
Description
IC REG LDO 5A ADJ VOLT POS DPAK
Manufacturer
STMicroelectronics
Datasheet

Specifications of KD1084ADT-R

Regulator Topology
Positive Adjustable
Voltage - Output
Adjustable
Voltage - Input
Up to 12V
Voltage - Dropout (typical)
1.3V @ 5A
Number Of Regulators
1
Current - Output
5A
Operating Temperature
-40°C ~ 125°C
Mounting Type
Surface Mount
Package / Case
TO-252-2, DPak (2 Leads + Tab), TO-252AA, SC-63
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Current - Limit (min)
-
Other names
497-7755-2
KD1084ADT-R

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Features
Description
The KD1084 is a low drop voltage regulator able
to provide up to 5 A of output current. Dropout is
guaranteed at a maximum of 1.5 V at the
maximum output current, decreasing at lower
loads. The KD1084 is pin to pin compatible with
he older 3-terminal adjustable regulators but has
better performances in term of drop and output
tolerance.
Table 1.
July 2009
Typical dropout 1.3 V (at 5 A)
Three terminal adjustable or fixed output
voltage 1.8 V, 3.3 V.
Guaranteed output current up to 5 A
Output tolerance ±1 % at 25 °C and ± 2 % in full
temperature range for the "A" version
Output tolerance ± 2 % at 25 °C and ± 3 % in
full temperature range internal power and
thermal limit
Wide operating temp. range -40 °C to 125 °C
Package available: D²PAK and DPAK
Pinout compatibility with standard adjustable
VREG
KD1084AD2T18R
D²PAK
Device summary
5 A low drop positive voltage regulator adjustable and fixed
KD1084ADT-R
Doc ID 8761 Rev 10
DPAK
Order codes
A 2.85 V output version is suitable for SCSI-2
active termination. Unlike PNP regulators, where
a part of the output current is wasted as quiescent
current, the KD1084 quiescent current flows into
the load, so increase efficiency. Only a 10 µF
minimum capacitor is need for stability.
The devices are supplied in D²PAK and DPAK. On
chip trimming allows the regulator to reach a very
tight output voltage tolerance, within ±1% at 25 °C
for "A" version and ± 2 % at 25 °C for standard
version.
D²PAK
Output voltage
1.8 V
ADJ
KD1084AXX18
KD1084AXX
DPAK
Tolerance
1%
1%
www.st.com
1/17
17

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KD1084ADT-R Summary of contents

Page 1

... The devices are supplied in D²PAK and DPAK. On chip trimming allows the regulator to reach a very tight output voltage tolerance, within ± °C for "A" version and ± °C for standard version. Order codes DPAK Output voltage KD1084ADT-R Doc ID 8761 Rev 10 KD1084AXX KD1084AXX18 DPAK Tolerance 1 ...

Page 2

Contents 1 Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ...

Page 3

Diagram Figure 1. Schematic diagram Doc ID 8761 Rev 10 3/17 ...

Page 4

Pin configuration Figure 2. Pin connections (top view) D²PAK 4/17 Doc ID 8761 Rev 10 DPAK ...

Page 5

Maximum ratings Table 2. Absolute maximum ratings Symbol V DC input voltage I I Output current O P Power dissipation D T Storage temperature range STG T Operating junction temperature range OP Note: Absolute maximum ratings are those values ...

Page 6

Schematic application Figure 3. Application circuit 6/17 V Doc ID 8761 Rev 10 R ⎛ ⎞ 2 ⋅ ------ - ⎝ ⎠ O REF R 1 ...

Page 7

Electrical characteristics Table 4. Electrical characteristics of KD1084AXX18 Symbol Parameter V Output voltage O ΔV Line regulation O ΔV Load regulation O V Dropout voltage d I Quiescent current ...

Page 8

Table 5. Electrical characteristics of KD1084AXX Symbol Parameter V Output voltage O ΔV Line regulation O ΔV Load regulation O V Dropout voltage d I Quiescent current O(min) I Short ...

Page 9

Typical application Unless otherwise specified T Figure 4. Dropout voltage vs. output current Figure 5. Figure 6. Short circuit current vs. dropout voltage Figure 8. Output voltage vs. temperature = 25 ° µF (tant.) ...

Page 10

Figure 10. Supply voltage rejection vs. frequency Figure 12. Line transient 200 mA µF(tant µ 10/17 Figure 11. ...

Page 11

Package mechanical data In order to meet environmental requirements, ST offers these devices in different grades of ® ECOPACK packages, depending on their level of environmental compliance. ECOPACK specifications, grade definitions and product status are available at: www.st.com. ® ...

Page 12

Dim. Min. A 2.2 A1 0.9 A2 0.03 B 0.64 b4 5.2 C 0. 4 (L1 0 0° 12/17 DPAK mechanical data ...

Page 13

D mm. Dim. Min. Typ. A 4.4 A1 2.49 A2 0.03 B 0.7 B2 1.14 C 0.45 C2 1. 8 1.27 L3 1.4 M 2.4 R 0.4 V2 ...

Page 14

Tape & reel DPAK-PPAK mechanical data Dim. Min 12 6.80 Bo 10.40 Ko 2.55 Po 3.9 P 7.9 14/17 mm. Typ. Max. Min. 330 13.0 13.2 0.504 0.795 2.362 22.4 6.90 7.00 ...

Page 15

Tape & reel D PAK-P mm. Dim. Min. Typ 12.8 13 10.50 10.6 Bo 15.70 15.80 Ko 4.80 4.90 Po 3.9 4.0 P 11.9 12 PAK-D PAK/A-P PAK/A ...

Page 16

Revision history Table 6. Document revision history Date Revision 06-Sep-2005 4 02-Apr-2007 5 30-May-2007 6 18-Dec-2007 7 21-Feb-2008 8 16-Jul-2008 9 28-Jul-2009 10 16/17 Changes Order codes updated. Order codes updated. Order codes updated. Added Table 1. Modified: Table ...

Page 17

... Information in this document is provided solely in connection with ST products. STMicroelectronics NV and its subsidiaries (“ST”) reserve the right to make changes, corrections, modifications or improvements, to this document, and the products and services described herein at any time, without notice. All ST products are sold pursuant to ST’s terms and conditions of sale. ...

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