参数资料
型号: L6919CD
厂商: STMICROELECTRONICS
元件分类: 稳压器
英文描述: SWITCHING CONTROLLER, 200 kHz SWITCHING FREQ-MAX, PDSO28
封装: SO-28
文件页数: 23/32页
文件大小: 558K
代理商: L6919CD
3/32
L6919C
ELECTRICAL CHARACTERISTICS
VCC = 12V ±10%, TJ = 0 to 70°C unless otherwise specified
Symbol
Parameter
Test Condition
Min
Typ
Max
Unit
Vcc SUPPLY CURRENT
ICC
Vcc supply current
HGATEx and LGATEx open
VCCDR=VBOOT=12V
7.5
10
12.5
mA
ICCDR
VCCDR supply current
LGATEx open; VCCDR=12V
2
3
4
mA
IBOOTx
Boot supply current
HGATEx open; PHASEx to PGND
VCC=VBOOT=12V
0.5
1
1.5
mA
POWER-ON
Turn-On VCC threshold
VCC Rising; VCCDR=5V
8
9.2
10.4
V
Turn-Off VCC threshold
VCC Falling; VCCDR=5V
6.5
7.5
8.5
V
Turn-On VCCDR
Threshold
VCCDR Rising
VCC=12V
4.2
4.4
4.6
V
Turn-Off VCCDR
Threshold
VCCDR Falling
VCC=12V
4.0
4.2
4.4
V
OSCILLATOR/INHIBIT/FAULT
fOSC
Initial Accuracy
OSC = OPEN
OSC = OPEN; Tj=0
°C to 125°C
185
180
200
215
220
kHz
fOSC,Rosc Total Accuracy
RT to GND=74k
360
400
440
kHz
INH
Inhibit threshold
ISINK=5mA
0.5
V
dMAX
Maximum duty cycle
OSC = OPEN; IFB = 0
75
80
%
OSC = OPEN; IFB = 60A38
46
%
Vosc
Ramp Amplitude
1.8
2
2.2
V
FAULT
Voltage at pin OSC
OVP or UVP Active
4.75
5.0
5.25
V
REFERENCE AND DAC
Output Voltage
Accuracy
VID0, VID1, VID2, VID3, VID4
see Table1;
FBR = VOUT; FBG = GND
-0.6
-
0.6
%
IDAC
VID pull-up Current
VIDx = GND
4
5
6
A
VID pull-up Voltage
VIDx = OPEN
3.2
-
3.5
V
ERROR AMPLIFIER
DC Gain
80
dB
SR
Slew-Rate
COMP=10pF
15
V/
s
DIFFERENTIAL AMPLIFIER (REMOTE BUFFER)
DC Gain
1
V/V
CMRR
Common Mode Rejection Ratio
40
dB
SR
Slew Rate
VSEN=10pF
15
V/
s
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