參數(shù)資料
型號(hào): L6712A
廠商: 意法半導(dǎo)體
英文描述: TWO-PHASE INTERLEAVED DC/DC CONTROLLER
中文描述: 兩相交錯(cuò)DC / DC控制器
文件頁數(shù): 3/27頁
文件大小: 1074K
代理商: L6712A
3/27
L6712A L6712
ELECTRICAL CHARACTERISTCS
(V
CC
= 12V±10%, T
J
= 0°C to 70°C unless otherwise specified)
Symbol
Parameter
Vcc SUPPLY CURRENT
I
CC
VCC supply current
Test Condition
Min.
Typ.
Max.
Unit
HGATEx and LGATEx open
VCCDR=BOOTx=12V
LGATEx open; VCCDR=12V
7.5
10
12.5
mA
I
CCDR
I
BOOTx
VCCDR supply current
1.5
3
4
mA
Boot supply current
HGATEx open; PHASEx to
PGND; VCC=BOOTx=12V
0.5
1
1.5
mA
POWER-ON
Turn-On VCC threshold
Turn-Off VCC threshold
Turn-On VCCDR
Threshold
Turn-Off VCCDR
Threshold
VCC Rising; VCCDR=5V
VCC Falling; VCCDR=5V
VCCDR Rising
VCC=12V
VCCDR Falling
VCC=12V
8.2
6.5
4.2
9.2
7.5
4.4
10.2
8.5
4.6
V
V
V
4.0
4.2
4.4
V
OSCILLATOR AND INHIBIT
f
OSC
Initial Accuracy
OSC = OPEN
OSC = OPEN; Tj=0
°
C to 125
°
C
I
SINK
=5mA
L6712
, OSC = OPEN: I
DROOP
=0
OSC = OPEN; I
DROOP
=70
μ
A
L6712A
, OSC = OPEN
135
127
0.5
150
165
178
kHz
kHz
V
INH
Inhibit threshold
d
MAX
Maximum duty cycle
72
30
80
40
-
-
%
%
85
90
3
5.0
%
V
V
Vosc
FAULT
Ramp Amplitude
Voltage at pin OSC
OVP Active
4.75
5.25
REFERENCE AND DAC
V
OUT
(1)
Output Voltage Accuracy
VIDx See Table 1, VID
“11x“
VID = “110“
VIDx See Table 1, VID
“111”
-0.9
-1.0
V
OUT
-5
3
-
-
0.9
1.0
%
%
mV
REF_IN/OUT
Reference Accuracy
V
OUT
V
OUT
+5
Current Capability
Load Regulation
mA
mV
I
REF
= from 0 to 3mA
VID=“111”;
REF_IN/OUT = 0.8V to 3.3V
5.0
V
PROG
/ REF_IN/
OUT
REF_IN/OUT
I
VID
V
VID
VID
IL
VID
IH
ERROR AMPLIFIER
V
OS_EA
Accuracy with external
reference
-2.0
2.0
%
Input impedance
VID pull-up Current
400
5
k
μ
A
V
VIDx =SGND
VID pull-up Voltage
VIDx = OPEN
3
VID Input Levels
Input Low
0.4
V
Input High
1.0
V
Offset
FB = COMP
-5
5
mV
DC Gain
Slew-Rate
Start-up Current
80
15
dB
V/
μ
s
μ
A
SR
COMP=10pF
FB=SGND; During Soft Start…
I
FB_START
DIFFERENTIAL AMPLIFIER (REMOTE BUFFER)
V
OS_RA
Offset
65
VSEN = FBG
-8
8
mV
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L6712AD 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2-Ph Interleaved RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
L6712ADTR 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2-Ph Interleaved RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
L6712AQ 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2-Ph Interleaved RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
L6712AQTR 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2-Ph Interleaved RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel
L6712D 功能描述:開關(guān)變換器、穩(wěn)壓器與控制器 2-Ph Interleaved RoHS:否 制造商:Texas Instruments 輸出電壓:1.2 V to 10 V 輸出電流:300 mA 輸出功率: 輸入電壓:3 V to 17 V 開關(guān)頻率:1 MHz 工作溫度范圍: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:WSON-8 封裝:Reel