600mA Dropout Positive Voltage Regulator dropout performance, 1.3

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600mA Dropout Positive Voltage Regulator dropout performance, 1.3

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SC1202 series high performance positive voltage regulators designed applications requiring dropout performance full rated current. Additionally, SC1202 series provides excellent regulation over variations line, load temperature. Outstanding features include dropout performance rated current, fast transient response, internal current limiting thermal shutdown protection output device. SC1202 series three terminal regulators available surface mount SOT-223 package.
600mA Dropout Positive Voltage Regulator
dropout performance, 1.3V max. Full current rating over line temperature Fast transient response total output regulation over line, load temperature Adjust current max. 90µA over temperature Adjustable fixed output voltages Line regulation 0.2% max. Load regulation 0.4% max. SOT-223 package
SC1202 SC1202A
Applications
voltage microcontrollers Microprocessor supplies 3.3V conversion memory, ASIC, custom
circuits, etc.
Typical Application Circuits
Fixed Voltage Regulator
4.75V
SC1202-3.3
VOUT 3.3V
10uF Tant.
10uF Tant.
Adjustable Voltage Regulator
4.75V SC1202 VOUT 3.45V
10uF Tant.
Ohm,
10uF Tant.
Ohm,
VOUT VREF
Notes: needed device from filter capacitors minimum value required stability
Revision 8/30/2000
www.semtech.com
SC1202 SC1202A
POWER MANAGEMENT Absolute Maximum Ratings
Parameter Input Voltage 1202 1202A Power pati Thermal Resi stance, Juncti Thermal Resi stance, Juncti Ambi Operati Ambi Temperature Range Operati Juncti Temperature Range Storage Temperature Range Lead Temperature (Solderi seconds Rati (Human Body Model) mbol TSTG TLEAD Maximum Internally nits
Electrical Characteristics
Unless otherwise specified, Adj. 2.65 (15.0V version) Adj. 10mA 600mA; Fixed 4.75 (15.0V version) Fixed 600mA
Parameter Output Voltage
mbol
TJ(4) 25°C O.T.
3.265 3.230 1.238 1.225
3.300 3.300 1.250 1.250 0.035
3.335 3.369 1.262 1.275
nits
Voltage Opti Reference Voltage
VREF
10mA
25°C O.T.
Adj. Voltage Versi Regulati Load Regulati ropout Voltage DVOUT, DVREF urrent escent urrent Voltage Versi Temperature oeffi Adjust urrent Adjust urrent hange REG(LINE) REG(LOAD) IADJ DIADJ 10mA
O.T. O.T. O.T. O.T. O.T. O.T. O.T. O.T.
0.005
%/°C
2000 Semtech Corp.
www.semtech.com
SC1202 SC1202A
POWER MANAGEMENT Electrical Characteristics (Cont.)
Unless otherwise specified, Adj. 2.65 (15.0V version) Adj. 10mA 600mA; Fixed 4.75 (15.0V version) Fixed 600mA
Parameter Temperature Stabi Load urrent Adj. Voltage Versi Output se(2) pple Rejecti Rati o(3)
mbol IO(MIN)
TJ(4) O.T.
0.003
nits
25°C
600mA
O.T.
NOTES: duty cycle pulse testing with Kelvin connections required. Bandwidth kHz. input ripple, (CADJ 25µF). Over Temp. (O.T.) over specified operating junction temperature range.
2000 Semtech Corp.
www.semtech.com
SC1202 SC1202A
POWER MANAGEMENT Configuration
FUNC TION J/GND
Ordering Information
(1)(2)
VOUT 13.5
ackag SOT-223
1202C ST-X.X.TR 1202AC ST-X.X.TR
OUTPUT
Notes: Where denotes voltage options. Available voltages are: 3.3V. Leave blank adjustable version (see VOUT). Contact factory additional voltage options. Only available tape reel packaging. reel contains 2500 devices.
Descriptions
umber Function negati reference voltage devi Transi response mproved addi small bypass capaci from adjust ground. bottom nternal resi stor feedback chai output voltage parts, should connected ground. power output devi electri cally connected TAB. nput supply devi
Block Diagram
Marking Information
Voltage option (example: 2.85). Left blank adjustable parts yyww: Datecode (example: 9812) xxxx: Semtech (example: 80101)
z.zz:
2000 Semtech Corp.
www.semtech.com
SC1202 SC1202A
POWER MANAGEMENT Outline Drawing SOT-223
Land Pattern SOT-223
Contact Information
Semtech Corporation Power Management Products Division Mitchell Rd., Newbury Park, 91320 Phone: (805)498-2111 (805)498-3804
2000 Semtech Corp.
www.semtech.com

600mA Dropout Positive Voltage Regulator dropout performance, 1.3

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