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PDF AZ1117C Fiche technique - Diodes

Numéro de référence AZ1117C
Description LOW DROPOUT LINEAR REGULATOR
Fabricant Diodes 
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AZ1117C Datasheet, Description
Description
Features
A Product Line of
Diodes Incorporated
AZ1117C
LOW DROPOUT LINEAR REGULATOR
The AZ1117C is a low dropout three-terminal regulator.
The AZ1117C has been optimized for low voltage where transient
response and minimum input voltage are critical. It provides current
limit and thermal shutdown. Its circuit includes a trimmed bandgap
reference to assure output voltage accuracy to be within ±1%. On-
chip thermal shutdown provides protection against a combination of
high current and ambient temperature that would create excessive
junction temperature.
The AZ1117C is available in 1.2V, 1.5V, 1.8V, 2.5V, 3.3V, 5.0V fixed
output voltage versions and ADJ output voltage version. The fixed
versions integrate the adjust resistors. It is also available in an
adjustable version which can set the output voltage with two external
resistors.
The AZ1117C is available in the industry-standard TO252-2 Series
(including TO252-2 (3), TO252-2 (4), and TO252-2 (5)), SOT89 and
SOT223 power packages.
Current Limit: 1.35A (Typ)
Output Noise from 10Hz to 10KHz: 0.003% of VOUT
PSRR at IOUT = 300mA and f = 120Hz: 70dB
Output Voltage Accuracy: ±1% (Except 1.2V Version)
On-chip Thermal Shutdown
Maximum Quiescent Current: IQMAX = 6mA
Compatible with Low ESR Ceramic Capacitor
Operation Junction Temperature: -20°C to +125°C
Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2)
Halogen and Antimony Free. “Green” Device (Note 3)
Applications
USB Device
Add-on Card
DVD Player
PC Motherboard
Notes:
1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS) & 2011/65/EU (RoHS 2) compliant.
2. See http://www.diodes.com/quality/lead_free.html for more information about Diodes Incorporated’s definitions of Halogen- and Antimony-free, "Green"
and Lead-free.
3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and
<1000ppm antimony compounds.
Pin Assignments
(Top View)
3
2
1
INPUT
OUTPUT
ADJ/GND
(Top View)
3
2
1
INPUT
OUTPUT
ADJ/GND
TO252-2 (3) Option 1
(Top View)
3
INPUT
VOUT
2
1
TO252-2 (4)
AZ1117C
Document number: DS36676 Rev. 3 - 2
OUTPUT
ADJ / GND
1 of 23
www.diodes.com
TO252-2 (3) Option 2
(Top View)
3
INPUT
2 OUTPUT
1 ADJ/GND
TO252-2 (5)
October 2014
© Diodes Incorporated
AZ1117C Fiche technique
Typical Applications Circuit (Note 4)
A Product Line of
Diodes Incorporated
AZ1117C
Note 4:
The AZ1117C is compatible with low ESR ceramic capacitor.
The ESR of the output capacitors must be less than 20.
A minimum of 10µF output capacitor is required.
Functional Block Diagram
3(2){1}
INPUT
Thermal
Protection
-
+
A1
B
2(3){3}
For Adjustable Output, disconnect A1 and A2, connect B
For Fixed Output, connect A1 and A2, disconnect B
A2
1(1){2}
OUTPUT
ADJ/GND
A(B){C}
A for TO252-2 Series/SOT223 (H)/SOT89 (R)
B for SOT89 (R2)
C for SOT223 (H2)
AZ1117C
Document number: DS36676 Rev. 3 - 2
3 of 23
www.diodes.com
October 2014
© Diodes Incorporated

3 Page

AZ1117C pdf
A Product Line of
Diodes Incorporated
AZ1117C
Electrical Characteristics AZ1117C-1.8 (Cont.)
(Operating Conditions: VIN 10V, IOUT = 10mA, TJ = +25°C, unless otherwise specified. (P maximum power dissipation). Limits appearing in
Boldface type apply over the entire junction temperature range for operation, -20°C to +125°C.)
Symbol
Parameter
Conditions
Min Typ Max Unit
VOUT
Output Voltage
1.5V VIN-VOUT 10V
1.782 1.8 1.818
1.764 1.8 1.836
V
VRLINE
Line Regulation
1.5V VIN-VOUT 10V
0.5
6
10
mV
VRLOAD
Load Regulation
— — 2 15 mV
VDROP
Dropout Voltage
VOUT = 1%,
IOUT = 0.8A
SOT223
TO252-2 Series
1.2 1.3
1.3 1.4
V
V
ILIMIT
Current Limit
1 1.35 —
A
IQ Quiescent Current
IOUT = 0
—4
6 mA
PSRR
Ripple Rejection
Temperature Stability
f = 120Hz, COUT = 22µF
(VIN-VOUT) = 3V, IOUT = 300mA
— 70 — dB
— 0.5 —
%
RMS Output Noise (% of VOUT)
TA = +25°C, 10Hz f 10KHz
— 0.003 —
%
— Thermal Shutdown
Junction Temperature
— +160 —
°C
Thermal Shutdown Hysteresis
— +16 —
°C
θJC
Thermal Resistance
(Junction to Case)
SOT89
SOT223
TO252-2 Series
— 30 —
— 15 — °C/W
— 10 —
Electrical Characteristics AZ1117C-2.5 (Cont.)
(Operating Conditions: VIN 10V, IOUT = 10mA, TJ = +25°C, unless otherwise specified. (P maximum power dissipation). Limits appearing in
Boldface type apply over the entire junction temperature range for operation, -20°C to +125°C.)
Symbol
Parameter
Conditions
Min Typ Max Unit
VOUT
Output Voltage
1.5V VIN-VOUT 10V
2.475 2.5 2.525
2.455 2.5 2.545
V
VRLINE
Line Regulation
1.5V VIN-VOUT 10V
0.5
6
10
mV
VRLOAD
Load Regulation
— — 2 15 mV
VDROP
Dropout Voltage
VOUT = 1%,
IOUT = 0.8A
SOT223
TO252-2 Series
1.2 1.3
1.3 1.4
V
V
ILIMIT
Current Limit
1 1.35 —
A
IQ Quiescent Current
IOUT = 0
—4
6 mA
PSRR
Ripple Rejection
f = 120Hz, COUT = 22µF
(VIN-VOUT) = 3V, IOUT = 300mA
— 70 — dB
— Temperature Stability
— 0.5 —
%
RMS Output Noise (% of VOUT)
TA = +25°C, 10Hz f 10KHz
— 0.003 —
%
— Thermal Shutdown
Junction Temperature
— +160 —
°C
Thermal Shutdown Hysteresis
— +16 —
°C
θJC
Thermal Resistance
(Junction to Case)
SOT89
SOT223
TO252-2 Series
— 30 —
— 15 — °C/W
— 10 —
AZ1117C
Document number: DS36676 Rev. 3 - 2
6 of 23
www.diodes.com
October 2014
© Diodes Incorporated

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Un datasheet est un document fourni par le constructeur du composant, où figurent toutes les données techniques sur le produit: puissance dissipée, courant maximal, tension de seuil, tension de claquage, température de stockage, etc.


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