l6712a STMicroelectronics, l6712a Datasheet - Page 3

• Manufacturer Part Number: l6712a
• Description: Two-phase Interleaved Dc/dc Controller
• Manufacturer: STMicroelectronics

ELECTRICAL CHARACTERISTCS
(V
Vcc SUPPLY CURRENT
POWER-ON
OSCILLATOR AND INHIBIT
REFERENCE AND DAC
V
ERROR AMPLIFIER
DIFFERENTIAL AMPLIFIER (REMOTE BUFFER)
PROG
CC
REF_IN/OUT
REF_IN/OUT
I
FB_START
Symbol
V
V
V
= 12V±10%, T
I
FAULT
∆Vosc
I
BOOTx
VID
VID
d
OUT
OUT
OS_RA
CCDR
f
V
OS_EA
INH
I
I
OSC
SR
MAX
/ REF_IN/
VID
CC
VID
IH
IL
(1)
VCC supply current
VCCDR supply current
Boot supply current
Turn-On VCC threshold
Turn-Off VCC threshold
Turn-On VCCDR
Threshold
Turn-Off VCCDR
Threshold
Initial Accuracy
Inhibit threshold
Maximum duty cycle
Ramp Amplitude
Voltage at pin OSC
Output Voltage Accuracy
Reference Accuracy
Current Capability
Load Regulation
Accuracy with external
reference
Input impedance
VID pull-up Current
VID pull-up Voltage
VID Input Levels
Offset
DC Gain
Slew-Rate
Start-up Current
Offset
J
= 0°C to 70°C unless otherwise specified)
Parameter
HGATEx and LGATEx open
VCCDR=BOOTx=12V
LGATEx open; VCCDR=12V
HGATEx open; PHASEx to
PGND; VCC=BOOTx=12V
VCC Rising; VCCDR=5V
VCC Falling; VCCDR=5V
VCCDR Rising
VCC=12V
VCCDR Falling
VCC=12V
OSC = OPEN
OSC = OPEN; Tj=0°C to 125°C
I
L6712, OSC = OPEN: I
OSC = OPEN; I
L6712A, OSC = OPEN
OVP Active
VIDx See Table 1, VID ≠ “11x“
VID = “110“
VIDx See Table 1, VID ≠ “111”
I
VID=“111”;
REF_IN/OUT = 0.8V to 3.3V
VIDx =SGND
VIDx = OPEN
Input Low
Input High
FB = COMP
COMP=10pF
FB=SGND; During Soft Start…
VSEN = FBG
SINK
REF
=5mA
= from 0 to 3mA
Test Condition
DROOP
=70µA
DROOP
=0
V
OUT
Min.
4.75
135
127
-0.9
-1.0
-2.0
7.5
1.5
0.5
8.2
6.5
4.2
4.0
0.5
1.0
72
30
85
65
-5
-8
3
-5
V
Typ.
150
400
9.2
7.5
4.4
4.2
5.0
10
80
40
90
OUT
80
15
3
1
3
5
3
-
-
L6712A L6712
V
Max.
OUT
12.5
10.2
5.25
165
178
1.5
4.6
4.4
0.9
1.0
5.0
2.0
0.4
8.5
4
5
8
-
-
+5
V/µs
Unit
kHz
kHz
mA
mA
mA
mV
mA
mV
mV
mV
kΩ
µA
dB
µA
%
%
%
%
%
%
V
V
V
V
V
V
V
V
V
V
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