MFG:STMicroelectronics Category:Integrated Circuits (ICs) Package Cooled:SMD24 D/C:00+
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L6610D, L6615D, L6621AD013TR Datasheet download
Category: Integrated Circuits (ICs)
MFG: STMicroelectronics
Package Cooled: SMD24
D/C: 00+
Description: IC CTRLR HOUSEKEEPING BCD 24SOIC
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PDF/DataSheet Download
Datasheet: L6610D
File Size: 558036 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: L6615D
File Size: 401745 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: L6604
File Size: 164104 KB
Manufacturer: HAMAMATSU [Hamamatsu Corporation]
Download : Click here to Download
| Technical/Catalog Information | L6610D |
| Vendor | STMicroelectronics |
| Category | Integrated Circuits (ICs) |
| Type | - |
| Voltage - Supply | 4.2 V ~ 7 V |
| Current - Supply | 5mA |
| Voltage - Input | - |
| Package / Case | 24-SOIC (7.5mm Width) |
| Packaging | Tube |
| Applications | Programmable Housekeeping Controller |
| Operating Temperature | 0°C ~ 105°C |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | L6610D L6610D |
The L6610 is a control and housekeeping IC developed in BCD technology; it is intended for acting at the secondary side of desktop PC's or server's switching power supplies, in presence of standard voltage rails (+3.3V, ±5V, ±12V) generated by a main converter and of a supply line generated by an auxiliary converter. The typical
application circuit is showed on the front page.
The Housekeeping's main function is to control and monitor the voltages generated by both the main and the auxiliary converter: it senses those voltages, sends feedback signals to the primary controllers for regulation and, upon detection of an undervoltage (UV), overvoltage (OV) or overcurrent (OC) condition, reports such fault and takes proper action to protect the system.
However, the peculiar feature of this IC is its digital programming capability that enables an accurate trimming of the output voltage rails during production test via software, without any use of external discrete trimming components or need for manual intervention on the PSU. It is also possible to program some of the monitoring functions and select how UV and OC conditions are handled in the main converter: whether latched-mode (the information is latched and released only by forcing the restart of the IC) or bouncing-mode (an attempt is made to automatically restart the converter after 1 second wait).
A key feature of this IC is its contribution to a very low external component count. Besides the extensive use of onboard programmable switches, which prevents the need for external trimming components, the IC embeds reference voltages, error amplifiers and most of the housekeeping circuitry normally required.
| Symbol | Parameter | Value | Unit |
| Vdd | Supply voltage | -0.5 to +7 | V |
| Voltage on PROG, PS-ON/Clock, DFAULT, VREF, and error amplifier pins |
-0.5toVdd+0.5 | V | |
| Voltage on MFAULT, PW-OK, Dmon and positive UV, OV,OC,AC sense pins. |
-0.5 to +16 | V | |
| Voltage on -5V and -12V UV/OV sense pins | -16 to +5 | V | |
| Maximum current in ESD clamp diodes | 10 | mA | |
| TJ | Operating Junction Temperature | -25 to 150 | °C |
| TSTO | Storage Temperature | -50 to 150 | °C |
| TL | Lead Temperature (soldering, 10 seconds) | 300 | °C |
· OV/UV DETECTION FOR 3.3V, ±5V, ±12V RAILS AND 5V (OR 3.3V) AUX. VOLTAGE
· OC DETECTION ON 12V AND 5V (OR 3.3V) RAILS
· AC MAINS UV (BROWNOUT) DETECTION WITH HYSTERESIS
·ON-LINE DIGITAL TRIMMING FOR 5V/12V, 3.3V, 5V (OR 3.3V) AUX. FEEDBACK REFERENCES AND AC MAINS UV.
· DIGITALLY SELECTABLE OPTIONS
· ERROR AMPLIFIERS FOR 5V/12V RAILS (MAIN SUPPLY), 3V3 POST-REGULATOR (MAG_AMP OR LINEAR) AND AUXILIARY SUPPLY.
· MAIN SUPPLY ON/OFF CONTROL AND POWER GOOD SIGNAL
· 50mA CROWBAR DRIVE FOR AUXILIARY OUTPUT OVP.
· OPEN GROUND PROTECTION
· 8ms DIGITAL SOFT START
· 64 ms UV/OC BLANKING AT START-UP
This controller IC is specifically designed to achieve load sharing of paralleled and independent power supply modules in distributed power systems, by adding only few external components. Current sharing is achieved through a single wire connection (share bus) common to all of the paralleled modules.
| Symbol | Pin | Parameter | Value | Unit |
| VCC | 8 | Supply Voltage (*) (ICC<50mA) | selflimit | V |
| ICS+, ICS- | Sense pin current | 10 | mA | |
| VCS-,VCS+,VSH, VADJ, VCGA |
2,3,6,4,7 | -0.3 toVCC | V | |
| VCOMP | 5 | Error amplifier output | -0.3 to1.5 | V |
| (VCS+) - (VCS-) | Differential input voltage (VCS+ from0Vto 22V) | -0.7 to 0.7 | V | |
| Ptot | Total power dissipation @ Tamb = 70°C SO8 DIP8 |
0.45 0.6 |
W | |
| Tj | Junction temperature range | -40 to+125 | °C | |
| Tstg | Storage temperature | -55 to+150 | °C |
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