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参数资料
| 型号： | LA5690S |
| 元件分类： | 电源管理 |
| 英文描述： | 1-CHANNEL POWER SUPPLY SUPPORT CKT, PSIP9 |
| 封装： | SIP-9 |
| 文件页数： | 2/6页 |
| 文件大小： | 299K |
| 代理商： | LA5690S |
LA5690D, 5690S
Νο.2895-2/6
Specifications
Maximum Ratings at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Control pin voltage
VCONT max
1s
60
V
Control pin voltage
VCONT max
41
V
Control pin current
ICONT max
VCC ≥ 6V *
11
mA
CK input voltage
VCK max
25
V
Reset pin voltage
VRES max,
VRES max
41
V
Allowable power dissipation
Pd max
500
mW
Operating temperature
Topr
40 to +85
°C
Storage temperature
Tstg
55 to +150
°C
* : A PNP transistor is connected to the LA5690D, 5690S externally to provide a low-saturation voltage regulator.
Therefore, ICONT ≈ 100mA will flow, as starting current, in the VCC range where the output cannot be regulated.
Operating Conditions at Ta = 25
°C
Parameter
Symbol
Conditions
Ratings
Unit
Control pin voltage
VCONT
6 to 40
V
Control pin current
ICONT max
10
mA
Reset output current
IRES max,
IRES max
External R pull-up
8
mA
Reset detection voltage
VS min
4V
Electrical Characteristics at Ta = 25
°C, VCC = 14V, IO = 50mA, unless otherwise specified.
Ratings
Parameter
Symbol
Conditions
Min
typ
max
Unit
Output voltage
VO
4.8
5.0
5.2
V
VOLN1
9V
≤ VCC ≤ 16V
2
10
mV
Line regulation
VOLN2
6V
≤ VCC ≤ 40V
4
30
mV
Load regulation
VOLD
1mA
≤ IO ≤ 50mA
4
30
mV
Current drain
ICC
IO = 0
4.9
6.5
mA
Output noise voltage
VNO
10Hz
≤ f ≤ 100kHz, VCK = 0
200
μV
Temperature coefficient of output voltage
VO/Ta
IO = 5mA, 40°C ≤ Ta ≤ +85°C
±0.2
mV/
°C
Reference voltage
VREF
1.13
1.18
1.23
V
H-level CK input voltage
VIH
2
V
L-level CK input voltage
VIL
0.8
V
H-level CK input current
IIH
VCK = 5V
0.3
0.7
mA
L-level CK input current
IIL
VCK = 0
1.0
0.1
μA
H-level reset output voltage
VORH/
VORH
4.8
5.0
5.2
V
L- level reset output voltage
VORL1/
VORL1
40
200
mV
L- level reset output voltage
VORL2/
VORL2
IRES = IRES = 8mA
0.16
0.8
V
CK input pulse width
tCKW
VCK = 5V
3
μs
Reset output delay time
td
Ct = 1μF
7.5
10
12.5
ms
Watchdog time
tWD
Ct = 1μF
3.8
5.0
6.2
ms
Watchdog reset time
tWR
Ct = 1μF
0.1
0.25
0.4
ms
Reset hysteresis voltage
Vhys
VS = 4.5V
100
200
300
mV
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