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參數(shù)資料
| 型號： | 935270481518 |
| 廠商： | NXP SEMICONDUCTORS |
| 元件分類： | 固定正電壓單路輸出LDO穩(wěn)壓器 |
| 英文描述： | 3 V FIXED POSITIVE LDO REGULATOR, 0.5 V DROPOUT, PDSO7 |
| 封裝： | SOP-7 |
| 文件頁數(shù)： | 3/8頁 |
| 文件大小： | 73K |
| 代理商： | 935270481518 |
Philips Semiconductors
Product data
SA57022-XX
500 mA LDO with ON/OFF control and Vref bypass
2001 Oct 03
3
ORDERING INFORMATION
TYPE NUMBER
PACKAGE
TEMPERATURE
TYPE NUMBER
NAME
DESCRIPTION
RANGE
SA57022-XXD
SOP-7B
small outline 7-pin surface mount (see dimensional drawing)
–40 to +85
°C
NOTE:
The device has six voltage output options, indicated by the XX on
the order code.
XX
VOLTAGE (Typical)
18
1.8 V
25
2.5 V
28
2.8 V
30
3.0 V
33
3.3 V
50
5.0 V
Part number marking
Each package 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
SA57022-18
A L M x
SA57022-25
A L N x
SA57022-28
A L P x
SA57022-30
A L R x
SA57022-33
A L S x
SA57022-50
A L T x
PIN CONFIGURATION
SL01525
1
2
45
7VIN
ON/OFF
BYPASS
NC
VOUT
SA57022-XX
3
GND
6
GND
Figure 2. Pin configuration.
PIN DESCRIPTION
PIN
SYMBOL
DESCRIPTION
1
VOUT
Regulated output voltage.
2
NC
No connection.
3
GND
Ground.
4
BYPASS
Reference bypass input. Connecting a
470 pF capacitor further reduces output
noise.
5
ON/OFF
Output voltage On/Off control pin.
6
GND
Substrate ground pin. This pin must be
connected to ground.
7
VIN
Power supply input.
MAXIMUM RATINGS
SYMBOL
PARAMETER
MIN.
MAX.
UNIT
VIN
Supply voltage
–0.3
+12
V
VIN(OPR)
Operating voltage
VOUT(typ) + 0.5
VOUT(typ) + 10
V
IOUT
Output current
0
500
mA
Toper
Operating temperature
–40
+85
°C
Tstg
Storage temperature
–40
+150
°C
PD
Power dissipation (Note 1)
–
400
mW
PD
Power dissipation (Note 2)
–
950
mW
NOTES:
1. Unattached.
2. Mounted on double-sided glass eposy PCB, with copper ground plane 192
× 142 × 1.2 mm.
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