AIC1117ACT Analog Intergrations Corporation, AIC1117ACT Datasheet

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AIC1117ACT

Manufacturer Part Number
AIC1117ACT
Description
Manufacturer
Analog Intergrations Corporation
Datasheet
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Analog Integrations Corporation
DS-1117A-00
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FEATURES
APPLICATIONS
TYPICAL APPLICATION CIRCUIT
Dropout Voltage 1.3V at 1A Output Current.
Fast Transient Response.
Line Regulation typically at 0.015%.
Load Regulation typically at 0.1%.
Internal Thermal and Current Limiting.
Adjustable Output Voltage or Fixed 2.85V, 3.3V,
5V.
Standard 3-Pin Power Packages.
Post Regulator for Switching Supply.
Active SCSI Termination.
Battery Chargers.
Constant-Current Regulators.
Motherboard Clock Supplies.
V
5V
IN
V
5V
IN
10 F
Adjustable Voltage Regulator
C1
10 F
C1
May 21, 01
Fixed Voltage Regulator
+
+
3
AIC1117A-33
AIC1117A
1
1A Low Dropout Positive Adjustable Regulator
GND
ADJ
4F, 9, Industry E. 9th Rd, Science Based Industrial Park, Hsinchu Taiwan, ROC
TEL: 886-3-5772500
2
V
205
RF2
1%
REF
RF1
125
1%
+
C2
10 F
+
V
3.3V
C2
10 F
OUT
V
3.3V
FAX: 886-3-5772510
OUT
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V
V
I
(1) C1 needed if device is far away from filter
(2) C2 required for stability.
ADJ
REF
OUT
=55 A (typ.)
DESCRIPTION
capacitors.
=V
=V
The AIC1117A is a low dropout three terminal
regulator with 1A output current capability. The
output voltage is adjustable with the use of a
resistor divider or fixed 2.85V, 3.3V, 5V. Dropout
is guaranteed at a maximum of 1.5V at
maximum output current. Its low dropout voltage
and fast transient response make it ideal for low
voltage microprocessor applications. Internal
current and thermal limiting provides protection
against any overload condition that would create
excessive junction temperatures.
OUT
REF
- V
x (1+RF2/RF1)+ I
ADJ
=1.25V (typ.)
ADJ
x RF2
AIC1117A
www.analog.com.tw
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AIC1117ACT Summary of contents

Page 1

Low Dropout Positive Adjustable Regulator n FEATURES Dropout Voltage 1. Output Current. l Fast Transient Response. l Line Regulation typically at 0.015%. l Load Regulation typically at 0.1%. l Internal Thermal and Current Limiting. l Adjustable Output ...

Page 2

... ORDERING INFORMATION AIC1117A-XXCX PACKAGING TYPE E: TO-252 M: TO-263 T: TO-220 Y: SOT-223 DEFAULT: ADJ. ORDER NUMBER AIC1117ACE (TO-252) AIC1117ACM (TO-263) 28: 2.85V 33: 3.3V 50: 5.0V AIC1117ACT (TO-220) AIC1117ACY (SOT-223) AIC1117A PIN CONFIGURATION FRONT VIEW 1: ADJ 2: VOUT (TAB VIN FRONT VIEW 1: ADJ 2: VOUT (TAB VIN ...

Page 3

ABSOLUTE MAXIMUM RATINS VIN pin to ADJ/GND pin Operating Junction Temperature Range Power Dissipation … … … … … … … … … … … … … … … … … … … … … … … .Internally Limited ...

Page 4

ELECTRICAL CHARACTERISTICS PARAMETER Load Regulation Dropout Voltage Current Limit Adjusted Pin Current (I ADJ Adjusted Pin Current Change ( I ) ADJ Temperature Stability Minimum Load Current ( Adj. ) Quiescent Current ( Fixed Version) RMS Output Noise (% ...

Page 5

TYPICAL PERFORMANCE CHARACTERISTICS Load Transient Response 0.1 0.05 0 -0.05 -0.1 0.4A 0. Time ( S) Dropout Voltage (V 1.26 1.24 1.22 1.20 1.18 1.16 0 200 400 Output Current (mA) Minimum Load Current (Adjustable Version) ...

Page 6

BLOCK DIAGRAM + REF 1.25V 55 A ADJ n PIN DESCRIPTIONS ADJ PIN - Providing V (GND PIN - Power ground.) VOUT PIN - Adjustable output voltage. VIN PIN - Power Input. Current Amp. Thermal ...

Page 7

PHYSICAL DIMENSIONS l TO-220 (unit: mm TO-252 (unit: mm AIC1117A SYMBOL MIN A 3.56 D 14.23 E 9.66 e ...

Page 8

SOT-223 (PLCS) 0.91 MIN SOT-223 Marking l Part No. Marking AIC1117ACY BS17 AIC1117A-28CY BS28 AIC1117A-33CY BS33 AIC1117A-50CY BS50 l TO-263 (unit: mm ...

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