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參數(shù)資料
| 型號： | LA5680T |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | SWITCHING CONTROLLER, 1000 kHz SWITCHING FREQ-MAX, PQFP48 |
| 封裝： | 7 X 7 MM, TQFP-48 |
| 文件頁數(shù)： | 14/20頁 |
| 文件大小： | 1293K |
| 代理商： | LA5680T |
LA5680T
No.A0373-3/20
Continued from preceding page.
Ratings
Parameter
Symbol
Conditions
min
typ
max
Unit
CTL circuit
ON voltage
VON CTL
1.15
V
OFF voltage
VOFF1 CTL
0.6
V
Standby mode voltage
VOFF2 CTL
0.2
V
Pin input current
IIN CTL
70
μA
STBY circuit
ON voltage
VON STBY
1.15
V
OFF voltage
VOFF1 STBY
0.6
V
Standby mode voltage
VOFF2 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
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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