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參數(shù)資料
| 型號(hào)： | A8187SLT |
| 廠商： | SANKEN ELECTRIC CO LTD |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | DEMM9SGA101 |
| 中文描述： | 3.3 V FIXED POSITIVE LDO REGULATOR, 0.15 V DROPOUT, PSSO3 |
| 封裝： | SURFACE MOUNT PACKAGE-3 |
| 文件頁數(shù)： | 1/8頁 |
| 文件大?。?/td> | 118K |
| 代理商： | A8187SLT |
DSCONTNUEDPRODUCT
APPLICATIONS
Storage Temperature Range,
T
S
. . . . . . . . . . . .
-40
°
C to +150
°
C
—FORREFERENCEONLY
I
Personal Data Assistants
I
Personal Communicators
I
Palmtop Computers
Fault conditions that produce excessive junction
temperature will activate device thermal
shutdown circuitry. These conditions can be
tolerated but should be avoided.
Always order by complete part number:
Designed specifically to meet the requirement for extended opera-
tion of battery-powered equipment such as cordless and cellular
telephones, the A8187SLT voltage regulator offers the reduced dropout
Applicable also to palmtop computers and personal data assistants, the
device delivers a regulated, continuous 3.3 V output at up to 75 mA
under normal operating conditions, or to 150 mA (transient) under
worst-case conditions.
A PMOS pass element provides a typical dropout voltage of only
85 mV at 60 mA of load current. The low dropout voltage permits
deeper battery discharge before output regulation is lost. Furthermore,
quiescent current does not increase as the dropout voltage is ap-
proached, an ideal feature in standby/resume power systems where
data integrity is crucial. Regulator accuracy and excellent temperature
characteristics are provided by a bandgap reference.
This device is supplied in a small-outline plastic transistor package
(SOT-89/TO-243AA) for surface-mount applications. The A8187SLT is
rated for operation over a temperature range of -20
°
C to +85
°
C. A
similar device with an ENABLE input for control over sequential power
up, standby, or power down is the A8186SLU.
FEATURES AND BENEFITS
I
High Efficiency Provides Extended Battery Life
I
85 mV Typical Dropout Voltage at I
O
= 60 mA
I
45
μ
A Typical Quiescent Current at V
I
= 6 V
I
Up to 150 mA Output Current
I
Internal Thermal Protection
I
Surface-Mount Package
I
Cordless and Cellular Telephones
Dwg. PS-022-1
VR
3.3 V
2
3
1
G
I
LOW-DROPOUT, 3.3 V REGULATOR
— HIGH EFFICIENCY
D
2
ABSOLUTE MAXIMUM RATINGS
Input Voltage, V
I
. . . . . . . . . . . . . .
10 V
Output Current, I
O
. . . . . . . . .
150 mA*
Operating Temperature Range,
T
A
. . . . . . . . . . . . .
-20
°
C to +85
°
C
Junction Temperature, T
J
. . .
+150
°
C
* Output current rating is limited by input voltage,
duty cycle, and ambient temperature. Under
any set of conditions, do not exceed a junction
temperature of +150
°
C. See next page.
A8187SLT
.
8187
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| A8188SLT-XX | LOW-DROPOUT REGULATORS - HIGH EFFICIENCY |
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相關(guān)代理商/技術(shù)參數(shù) |
參數(shù)描述 |
|---|---|
| A8188SL | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:LOW-DROPOUT REGULATORS . HIGH EFFICIENCY |
| A8188SLT | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:LOW-DROPOUT REGULATORS . HIGH EFFICIENCY |
| A8188SLT-XX | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:LOW-DROPOUT REGULATORS - HIGH EFFICIENCY |
| A8188SL-XX | 制造商:ALLEGRO 制造商全稱:Allegro MicroSystems 功能描述:LOW-DROPOUT REGULATORS - HIGH EFFICIENCY |
| A81895-000 | 制造商:TE Connectivity 功能描述:55PC6239-20-2/6-9CS2502 - Cable Rools/Shrink Tubing |
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