參數(shù)資料
型號(hào): S-8520E47MC-BKG-T2
元件分類: 穩(wěn)壓器
英文描述: 0.05 A SWITCHING CONTROLLER, 375 kHz SWITCHING FREQ-MAX, PDSO5
封裝: SOT-23, 5 PIN
文件頁(yè)數(shù): 42/43頁(yè)
文件大?。?/td> 499K
代理商: S-8520E47MC-BKG-T2
PWM CONTROL, PWM/PFM SWITCHING CONTROL STEP-DOWN SWITCHING REGULATOR
S-8520/8521 Series
Rev.7.4_20
8
Seiko Instruments Inc.
Pin Configuration
Table 3
Pin No.
Pin name
Pin description
1
OFF
/
ON
Shutdown pin
“H”:Normal operation
(Step-down operation)
“L”: Step-down operation stopped
(All circuits deactivated)
2
VSS
GND pin
3
VOUT
Output voltage monitoring pin
4
EXT
Connection pin for external transistor
SOT-23-5
Top view
5
4
3
2
1
5
VIN
IC power supply pin
Figure 3
Absolute Maximum Ratings
Table 4
(Ta
=25 °C unless otherwise specified)
Item
Symbol
Absolute maximum ratings
Unit
VIN pin voltage
VIN
A, C, E types
VSS
0.3 to VSS+12
V
B, D, F types
VSS
0.3 to VSS+18
VOUT pin voltage
VOUT
A, C, E types
VSS
0.3 to VSS+12
B, D, F types
VSS
0.3 to VSS+18
OFF
/
ON
pin voltage
OFF
/
ON
V
A, C, E types
VSS
0.3 to VSS+12
B, D, F types
VSS
0.3 to VSS+18
EXT pin voltage
VEXT
VSS
0.3 to VIN +0.3
EXT pin current
IEXT
±50
mA
Power dissipation
PD
250
mW
Operating ambient temperature
Topr
40 to +85
°C
Storage temperature
Tstg
40 to +125
Caution The absolute maximum ratings are rated values exceeding which the product could suffer
physical damage. These values must therefore not be exceeded under any conditions.
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