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参数资料
| 型号： | LA5681T |
| 元件分类： | 稳压器 |
| 英文描述： | SWITCHING CONTROLLER, 520 kHz SWITCHING FREQ-MAX, PQFP48 |
| 封装： | 7 X 7 MM, TQFP-48 |
| 文件页数： | 13/19页 |
| 文件大小： | 345K |
| 代理商： | LA5681T |
LA5681T
No.A0624-3/19
Continued from preceding page.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
CTL circuit
ON voltage
VREF
IREF = -1mA
1.237
1.250
1.263
V
OFF voltage
VLN REF
VCC = 1.8V to 12V
10
mV
Pin input current
VLD REF
IREF = -0.1mA to -1mA
10
mV
STBY circuit
ON voltage
VON STBY
1.15
V
OFF voltage
VOFF STBY
0.2
V
Pin input current
IIN STBY
70
μA
Startup circuit
OC pin saturation voltage
VSAT OC
VCC, VBATT = 1.5V, CT1 = 0.95V
IOC = 50mA
0.2
V
OC pin leak current
VLEAK OC
VCC, VBATT = 1.5V, CT1 = 0.8V
VOC = 12V
0.2
μA
Start operation
→ normal operation
changeover VCC voltage
VSN VCC
VBATT = 1.5V, CT1 = 560pF
2.2
2.3
2.4
V
Normal operation
→ start operation
changeover VCC voltage
VNS VCC
VBATT = 1.5V, CT1 = 560pF
0.95
1.05
1.15
V
Start operation
→ normal operation
changeover VBATT voltage
VSN VBATT
VCC = 1.5V, CT1 = 560pF
2.25
2.35
2.45
V
Normal operation
→
start operation changeover VBATT
hysteresis voltage
VNS VBATThys VCC = 1.5V, CT1 = 560pF
0.05
0.125
0.2
V
OC pin duty
DUTY OC
VBATT = 1.5V, CT1 = 560pF
72
82
92
%
OC pin oscillation frequency
f OC
VBATT = 1.5V, CT1 = 560pF
160
210
260
kHz
All circuits
VCC current drain
ICC
IN1- to IN6- = 1V
7.4
9
10.6
mA
VBATT current drain
IBATT
IN1- to IN6- = 1V
0.59
0.74
0.89
mA
VBIAS1, 2 current drain
IBIAS1,
IBIAS2
IN1- to IN6- = 1V
1.25
1.7
2.05
mA
VBIAS3 current drain
IBIAS3
IN1- to IN6- = 1V
7.0
8.4
9.8
mA
Current drain at standby
IOFF
VSTBY = VCTL = 0V
IOFF = (ICC+IBATT+
IBIAS1, 2+IBIAS3)
1
μA
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相关代理商/技术参数 |
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|---|---|
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