Positive Voltage Regulator maximum input voltage dropout performa

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Positive Voltage Regulator maximum input voltage dropout performa

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SC1117 series high performance positive voltage regulators designed applications requiring dropout performance 800mA. regulation over variations line, load temperature. Outstanding features include dropout performance rated current, fast transient response, internal current limiting thermal shutdown protection output device.
Positive Voltage Regulator
maximum input voltage dropout performance: 1.3V max. Full current rating over line temperature Fast transient response total output regulation over line, load temperature Adjust current 120µA over temperature Fixed/adjustable output voltages available Line regulation 0.2% max. Load regulation 0.4% max. SOT-223 TO-263 packages
SC1117
Additionally, SC1117 series provides excellent
SC1117 series three terminal regulators offer fixed adjustable voltage options available both space saving SOT-223 TO-263 packages.
Applications
voltage microcontroller supplies Switching power supply post-regulation
Typical Application Circuit
Fixed Voltage Regulator
4.75V SC1117-3.3 VOUT 3.3V
10uF Tant.
10uF Tant. Min.
Adjustable Voltage Regulator
4.75V SC1117 VOUT 3.45V
10uF Tant.
Ohm,
10uF Tant.
Notes: needed device from filter capacitors minimum value required stability
Revision December 2000
Ohm,
VOUT VREF
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SC1117
POWER MANAGEMENT Absolute Maximum Ratings
Parameter Input Voltage Power pati Thermal Resi stance Juncti SOT-223 TO-263 Thermal Resi stance Juncti Ambi SOT-223 TO-263 Operati Juncti Temperature Range Storage Temperature Range Lead Temperature (Solderi Sec. mbol Maximum Internally nits
TSTG TLEAD
Electrical Characteristics
Unless otherwise specified: Adj. 2.65V Adj. 10mA 800mA; Fixed (VOUT 1.5) Fixed 800mA.
Parameter Output Voltage
mbol
1.5V)
10mA
TJ(5) 25°C O.T.
0.99lVOl 0.98lVOl 1.238 1.225
1.250 1.250 0.035
1.01lVOl 1.02lVOl 1.262 1.270
nits
Voltage Versi Reference Voltage
VREF
10mA
25°C O.T.
Voltage Versi Regulati Load Regulati ropout Voltage(2) urrent escent urrent Voltage Versi Temperature oeffi REG(LINE) REG(LOAD) 6.5V 800mA 10mA
O.T. O.T. O.T. O.T. O.T. O.T.
0.005
%/°C
2000 Semtech Corp.
www.semtech.com
SC1117
POWER MANAGEMENT Electrical Characteristics (Cont.)
Unless otherwise specified: Adj. 2.65V Adj. 10mA 800mA; Fixed (VOUT 1.5) Fixed 800mA.
Parameter Adjust urrent Adjust urrent hange Temperature Stabi Load urrent Voltage Versi Output se(3) pple Rejecti Rati o(4)
mbol IADJ DIADJ
TJ(5) O.T. O.T.
0.003
nits
0.5A 1.5V
O.T. O.T. 25°C
1.5V
0.8A
O.T.
NOTES: duty cycle pulse testing with Kelvin connections required. DVOUT, DVREF Bandwidth 10kHz. 120Hz input ripple (CADJ 25µF). Over Temp. (O.T.) over specified operating junction temperature range.
2000 Semtech Corp.
www.semtech.com
SC1117
POWER MANAGEMENT Configuration Ordering Information
(1)(2)
ackag TO-263 SOT-223
1117C M-X.X.TR 1117C ST-X.X.TR
SOT-223
TO-263
Notes: Where denotes voltage options. Available voltages are: 2.85V, 3.3V Leave blank (e.g. SC1117CM.TR) adjustable version (1.3 13.5V). Contact factory additional voltage options. Only available tape reel packaging. reel contains (TO-263) 2500 (SOT-223) devices.
Block Diagram
2000 Semtech Corp.
www.semtech.com
SC1117
POWER MANAGEMENT Outline Drawing TO-263
Land Pattern TO-263
2000 Semtech Corp.
www.semtech.com
SC1117
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

Positive Voltage Regulator maximum input voltage dropout performa

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