L6756D STMicroelectronics, L6756D Datasheet - Page 12
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L6756D
Manufacturer Part Number
L6756D
Description
IC CTLR 2/3/4PH BUCK 40-VFQFPN
Manufacturer
STMicroelectronics
Datasheet
1.L6756DTR.pdf
(36 pages)
Specifications of L6756D
Applications
Controller, Intel VR10, VR11, VR11.1
Voltage - Input
12V
Number Of Outputs
4
Voltage - Output
0.3 ~ 1.6 V
Operating Temperature
0°C ~ 70°C
Mounting Type
Surface Mount
Package / Case
40-VFQFN, 40-VFQFPN
Output Voltage
3 V
Input Voltage
- 0.3 V to + 15 V
Switching Frequency
185 KHz to 215 KHz
Operating Temperature Range
- 40 C to + 150 C
Mounting Style
SMD/SMT
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Electrical specifications
3
3.1
3.2
Table 5.
12/36
Supply current and power-on
I
UVLO
Oscillator, soft-start and ENABLE
F
ΔV
FAULT
SOFT-
START
EN
Reference and DAC
K
I
A
SR
VID
VID
CC
OS
SW
VID
0
Symbol
OSC
IL
IH
VCC
Electrical specifications
Absolute maximum ratings
Table 4.
Electrical characteristics
Electrical characteristics
(V
VCC supply current
VCC turn-ON
VCC turn-OFF
Main oscillator accuracy
Oscillator adjustability
PWM ramp amplitude
Voltage at pin OSC
V
OFFSET
EA DC gain
Slew rate
VID threshold,
OUT
CC
Symbol
= 12 V ± 15 %, T
accuracy
V
CC
Parameter
Absolute maximum ratings
to PGND
All other Pins to PGNDx
J
= 0 °C to 70 °C unless otherwise specified)
VCC rising
VCC falling
R
OV, UV latch active
T
T
T
Boot voltage - V
V
Hysteresis
VSEN to V
VSEN = 0.5000 V to 1.6000 V
COMP to SGND = 10 pF
Input low
Input high
D1
D2
D3
EN
OSC
- initial delay
- R
- V
rising
= 33 kΩ
BOOT
SS
Parameter
Test conditions
= 27 kΩ
CORE
BOOT
; FBG to GND
CORE
1.026
Min.
0.80
185
400
100
-0.5
-40
0.8
7
3
1
-0.3 to 3.6
1.081
Typ.
0.85
200
500
500
200
100
130
-50
1.5
25
25
Value
2
15
1.136
Max.
9.75
0.90
215
600
300
-60
3.6
0.5
0.3
3
L6756D
Unit
V/μs
Unit
kHz
kHz
mA
mV
ms
μA
dB
μs
μs
%
V
V
V
V
V
V
V
V
V
V