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參數(shù)資料
| 型號： | 935269501115 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 穩(wěn)壓器 |
| 英文描述： | 0.3 A SWITCHING CONTROLLER, 115 kHz SWITCHING FREQ-MAX, PDSO5 |
| 封裝： | 1.50 MM, PLASTIC, MO-178, SOT-25, SOT-23, SOP-5 |
| 文件頁數(shù)： | 15/21頁 |
| 文件大?。?/td> | 301K |
| 代理商： | 935269501115 |
Philips Semiconductors
Product data
SA57255-XX
CMOS switching regulator (PWM controlled)
2001 Aug 01
3
ORDERING INFORMATION
TYPE NUMBER
PACKAGE
TEMPERATURE
TYPE NUMBER
NAME
DESCRIPTION
RANGE
SA57255-XXGW
SOT23-5, SOT25, SO5
plastic small outline package; 5 leads (see dimensional drawing)
–40 to +85
°C
NOTE:
The device has seven voltage output options, indicated by the XX
on the Type Number.
XX
VOLTAGE (Typical)
20
2.0 V
25
2.5 V
28
2.8 V
30
3.0 V
33
3.3 V
36
3.6 V
50
5.0 V
Part number marking
Each device is marked with a four letter code. The first three letters
designate the product. The fourth letter, represented by ‘x’, is a date
tracking code.
Part number
Marking
SA57255-20GW
A E T x
SA57255-25GW
A E U x
SA57255-28GW
A E V x
SA57255-30GW
A E W x
SA57255-33GW
A E X x
SA57255-36GW
A E Y x
SA57255-50GW
A E Z x
PIN CONFIGURATION
SL01509
1
2
34
5
DRIVE
GND
N/C
VDD
FB
SA57255-XX
Figure 2. Pin configuration.
PIN DESCRIPTION
PIN
SYMBOL
DESCRIPTION
1
FB
Feedback from the output voltage to the PWM
control.
2
VDD
Voltage input to regulator.
3
N/C
No connection.
4
GND
Ground.
5
DRIVE
Output for external power transistor.
MAXIMUM RATINGS
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
VFB
FB pin voltage
–0.3
11
V
VDD(max)
Power supply voltage
–0.3
11
V
VDRIVE
DRIVE pin voltage
–0.3
11
V
IDRIVE
DRIVE pin current
–
300
mA
Toper
Operating temperature
–40
+85
°C
Tstg
Storage temperature
–40
+125
°C
PD
Power dissipation
–
150
mW
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