MFG:STMicroelectronics Category:Integrated Circuits (ICs) Package Cooled:SOP-20L D/C:06+
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L6911D, L6911DTR, L6911E Datasheet download
Category: Integrated Circuits (ICs)
MFG: STMicroelectronics
Package Cooled: SOP-20L
D/C: 06+
Description: IC CTRLR 5BIT PROGR STPDN 20SOIC
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PDF/DataSheet Download
Datasheet: L6911D
File Size: 239232 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: L6911DTR
File Size: 239232 KB
Manufacturer: STMICROELECTRONICS [STMicroelectronics]
Download : Click here to Download
PDF/DataSheet Download
Datasheet: L6911E
File Size: 298591 KB
Manufacturer: STMicroelectronics
Download : Click here to Download
| Technical/Catalog Information | L6911D |
| Vendor | STMicroelectronics |
| Category | Integrated Circuits (ICs) |
| Type | Step-Down (Buck) |
| Number of Outputs | 1 |
| Voltage - Input | 5 ~ 12 V |
| Voltage - Output | 1.3 ~ 3.5 V |
| Current - Output | 1.3A |
| Power - Output | - |
| Package / Case | 20-SOIC (7.5mm Width) |
| Packaging | Tube |
| Internal Switch(s) | No |
| Synchronous | Yes |
| Rds (On) | - |
| Operating Temperature | -40°C ~ 150°C |
| Frequency - Switching | 200kHz |
| Drawing Number | * |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | L6911D L6911D |
The device is a power supply controller specifically designed to provide a high performance DC/DC conversion
for high current microprocessors. A precise 5-bit digital to analog converter (DAC) allows adjusting the output voltage from 1.30V to 2.05V with 50mV binary steps and from 2.10V to 3.50V with 100mV binary steps.
The high precision internal reference assures the selected output voltage to be within ±1%. The high peak current gate drive affords to have fast switching to the external power mos providing low switching losses.
The device assures a fast protection against load overcurrent and load overvoltage. An external SCR is triggered to crowbar the input supply in case of hard over-voltage. An internal crowbar is also provided turning on the low side mosfet as long as the overvoltage is detected. In case of over-current detection, the soft start capacitor is discharged and the system works in HICCUP mode.
| Symbol | Parameter | Value | Unit |
| VCC | VCC to GND, PGND | 15 | V |
| VBOOT-VPHASE | Boot Voltage | 15 | V |
| VHGATE-VPHASE | 15 | V | |
| OCSET, LGATE, PHASE | -0.3 to Vcc+0.3 | V | |
| RT, SS, FB, PGOOD, VSEN, VID0-4 | 7 | V | |
| OVP, COMP | 6.5 | V |
· OPERATING SUPPLY IC VOLTAGE FROM 5V TO 12V BUSES
· UP TO 1.3A GATE CURRENT CAPABILITY
· TTL-COMPATIBLE 5 BIT PROGRAMMABLE OUTPUT COMPLIANT WITH VRM 9.0 : 1.100V TO 1.850V WITH 0.025V BINARY STEPS
· VOLTAGE MODE PWM CONTROL
· EXCELLENT OUTPUT ACCURACY: ±1% OVER LINE AND TEMPERATURE VARIATIONS
· VERY FAST LOAD TRANSIENT RESPONSE: FROM 0% TO 100% DUTY CYCLE
· POWER GOOD OUTPUT VOLTAGE
· OVERVOLTAGE PROTECTION AND MONITOR
· OVERCURRENT PROTECTION REALIZED USING THE UPPER MOSFET'S RdsON
· 200KHz INTERNAL OSCILLATOR
· OSCILLATOR EXTERNALLY ADJUSTABLE FROM 50KHz TO 1MHz
· SOFT START AND INHIBIT FUNCTIONS
| Technical/Catalog Information | L6911DTR |
| Vendor | STMicroelectronics (VA) |
| Category | Integrated Circuits (ICs) |
| Type | Step-Down (Buck) |
| Number of Outputs | 1 |
| Voltage - Input | 5 ~ 12 V |
| Voltage - Output | 1.3 ~ 3.5 V |
| Current - Output | 1.3A |
| Power - Output | - |
| Package / Case | 20-SOIC (7.5mm Width) |
| Packaging | Cut Tape (CT) |
| Internal Switch(s) | No |
| Synchronous | Yes |
| Rds (On) | - |
| Operating Temperature | -40°C ~ 150°C |
| Frequency - Switching | 200kHz |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | L6911DTR L6911DTR 497 6110 1 ND 49761101ND 497-6110-1 |
| Technical/Catalog Information | L6911E |
| Vendor | STMicroelectronics |
| Category | Integrated Circuits (ICs) |
| Type | Step-Down (Buck) |
| Number of Outputs | 1 |
| Voltage - Input | 5 ~ 12 V |
| Voltage - Output | Adjustable |
| Current - Output | 1.3A |
| Power - Output | - |
| Package / Case | 20-SOIC (7.5mm Width) |
| Packaging | Tube |
| Internal Switch(s) | No |
| Synchronous | Yes |
| Rds (On) | - |
| Operating Temperature | -40°C ~ 150°C |
| Frequency - Switching | 200kHz |
| Drawing Number | * |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | L6911E L6911E |
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