L6756D STMicroelectronics, L6756D Datasheet - Page 12

• Manufacturer Part Number: L6756D
• Description: IC CTLR 2/3/4PH BUCK 40-VFQFPN
• Manufacturer: STMicroelectronics

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

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