MFG:STMicroelectronics (VA) Category:Integrated Circuits (ICs) D/C:09+
L6732C, L6732CTR, L6733Q Datasheet download
Category: Integrated Circuits (ICs)
MFG: STMicroelectronics (VA)
Package Cooled:
D/C: 09+
Description: IC CTRLR ADJ STEP-DOWN 16-TSSOP
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Datasheet: L6732C
File Size: 695998 KB
Manufacturer: ST
Download : Click here to Download
PDF/DataSheet Download
Datasheet: L6701
File Size: 567053 KB
Manufacturer: ST
Download : Click here to Download
PDF/DataSheet Download
Datasheet: L6701
File Size: 567053 KB
Manufacturer: ST
Download : Click here to Download
| Technical/Catalog Information | L6732C |
| Vendor | STMicroelectronics |
| Category | Integrated Circuits (ICs) |
| Type | Step-Down (Buck) |
| Number of Outputs | 1 |
| Voltage - Input | 1.8 ~ 14 V |
| Voltage - Output | Adj down to 0.6V |
| Current - Output | 20A |
| Power - Output | - |
| Package / Case | 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP |
| Packaging | Tube |
| Internal Switch(s) | No |
| Synchronous | Yes |
| Rds (On) | - |
| Operating Temperature | -40°C ~ 85°C |
| Frequency - Switching | 250kHz, 500kHz |
| Drawing Number | * |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | L6732C L6732C |
The controller is an integrated circuit realized in BCD5 (BiCMOS-DMOS, version 5) fabrication that provides complete control logic and protection for high performance step-down DC-DC and niPOL converters.
It is designed to drive N-Channel MOSFETs in a synchronous rectified buck topology. The output voltage of the converter can be precisely regulated down to 600mV with a maximum tolerance of ±0.8% and it is also possible to use an external reference from 0V to 2.5V.
The input voltage can range from 1.8V to 14V, while the supply voltage can range from 4.5V to 14V. High peak current gate drivers provide for fast switching to the external power section, and the output current can be in excess of 20A. The PWM duty cycle can range from 0% to 100% with a minimum on-time (TON, MIN) lower than 100ns making possible conversions with very low duty cycle at high switching frequency. The device provides voltage-mode control that includes a selectable frequency oscillator (250KHz or 500KHz).
The error amplifier features a 10MHz gain-bandwidth-product and 5V/s slew-rate that permits to realize high converter bandwidth for fast transient response. The device monitors the current by using the R DS(ON) of both the high-side and low-side MOSFET(s), eliminating the need for a current sensing resistor and guaranteeing an effective over-current-protection in all the application conditions. When necessary, two different current limit protections can be externally set through two external resistors.
During the soft-start phase a constant current protection is provided while after the soft-start the device enters in hiccup mode in case of over-current. During the soft-start, the sink mode capability is disabled in order to allow a proper start-up also in pre-biased output voltage conditions. After the soft-start the device can sink current. Other features are Power-Good, Master/Slave synchronization (with 180° phase shift), over-voltage-protection, feed-back disconnection and thermal shutdown. The HTSSOP16 package allows the realization of really compact DC/DC converters.
|
Symbol |
Parameter |
Value |
Unit |
|
VCC |
VCC to GND and PGND, OCH, PGOOD |
-0.3 to 18 |
V |
|
VBOOT - VPHASE |
Boot Voltage |
0 to 6 |
V |
|
VHGATE - VPHASE |
0 to VBOOT - VPHASE |
V | |
|
VBOOT |
BOOT |
-0.3 to 24 |
V |
|
VPHASE |
PHASE |
-1 to 18 |
V |
| PHASE Spike, transient < 50ns (FSW = 500KHz) |
-3 | ||
|
+24 | |||
| SS, FB, EAREF, SYNC, OCL, LGATE, COMP, VCCDR |
-0.3 to 6 |
V | |
|
OCH Pin |
Maximum Withstanding Voltage Range Test Condition: CDF-AEC-Q100-002 "Human Body Model" Acceptance Criteria: "Normal Performance" |
±1500 |
V |
|
PGOOD Pin |
±1000 | ||
|
OTHER PINS |
±2000 |
| Technical/Catalog Information | L6732CTR |
| Vendor | STMicroelectronics (VA) |
| Category | Integrated Circuits (ICs) |
| Type | Step-Down (Buck) |
| Number of Outputs | 1 |
| Voltage - Input | 1.8 ~ 14 V |
| Voltage - Output | Adj down to 0.6V |
| Current - Output | 20A |
| Power - Output | - |
| Package / Case | 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP |
| Packaging | Cut Tape (CT) |
| Internal Switch(s) | No |
| Synchronous | Yes |
| Rds (On) | - |
| Operating Temperature | -40°C ~ 85°C |
| Frequency - Switching | 250kHz, 500kHz |
| Lead Free Status | Lead Free |
| RoHS Status | RoHS Compliant |
| Other Names | L6732CTR L6732CTR 497 5908 1 ND 49759081ND 497-5908-1 |
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