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SY7208B の電気的特性と機能

SY7208BのメーカーはSilergyです、この部品の機能は「2A Step Up Regulator」です。


製品の詳細 ( Datasheet PDF )

部品番号 SY7208B
部品説明 2A Step Up Regulator
メーカ Silergy
ロゴ Silergy ロゴ 




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SY7208B Datasheet, SY7208B PDF,ピン配置, 機能
SY7208/SY7208B
High Efficiency 1MHz, 2A Step Up Regulator
General Description
The SY7208 and SY7208B are high efficiency boost
regulators targeted for general step-up applications.
SY7208B incorporates input over-voltage protection
and turn off the regulator when the input voltage
exceeds 7V.
Ordering Information
SY7208(□□)
Temperature Code
C: - 40°C~85°C
Package Code:
AB: SOT23-6
Spec Code
None: 0.6 VREF
B: 1VREF
Features
wide input range: 3-25V bias input, 25Vout max
1MHz switching frequency
Minimum on time: 100ns typical
Minimum off time: 100ns typical
Low Rdson: 0.2ohm
Programmable softstart: SY7208B
7V input OVP protection: SY7208B
Accurate Reference:
ο SY7208, 0.6VREF
ο SY7208B: 1VREF
Compact package: SOT23 6 pins
Applications
WLED Drivers
Networking cards powered from PCI or PCI-
express slots
Typical Applications
L
VIN
CIN
IN1,2
LX
GND
SS
FB
R1
R2
VOUT
COUT
Fig. 1 Typical Schematic Diagram
SY7208/B Rev. # 0.6 Silergy Corp. Confidential- Prepared for Customer Use Only
1
Free Datasheet http://www.0PDF.com

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SY7208B pdf, ピン配列
Electrical Characteristics
(VIN = 5V, Vout=12V, Iout=100mA, TA = 25°C unless otherwise specified)
Parameter
Input Voltage Range
Quiescent Current
Low Side Main FET
RON
Main FET Current
Limit
Switching Frequency
Feedback Reference
Voltage
IN OVP rising
threshold
IN OVP hysteresis
IN UVLO rising
threshold
UVLO hysteresis
Thermal Shutdown
Temperature
Symbol
VIN
IQ
RDS(ON)1
Test Conditions
FB=0.66V
ILIM1
Fsw
VREF
VIN,OV
VOV,HYS
VIN,UVLO
SY7208
SY7208B
SY7208B only
SY7208B only
UVLO,HYS
TSD
SY7208/SY7208B
Min Typ
3
100
200
2
0.8
0.588
0.98
7
1
0.6
1
0.3
0.1
150
Max Unit
25 V
µA
m
2.6 A
1.2
0.612
1.02
MHz
V
V
V
V
2.7 V
V
°C
Note 1: Stresses listed as the above “Absolute Maximum Ratings” may cause permanent damage to the device.
These are for stress ratings. Functional operation of the device at these or any other conditions beyond those
indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating
conditions for extended periods may remain possibility to affect device reliability.
Note 2: θ JA is measured in the natural convection at TA = 25°C on a low effective single layer thermal
conductivity test board of JEDEC 51-3 thermal measurement standard.
Note 3: The device is not guaranteed to function outside its operating conditions.
SY7208/B Rev. # 0.6 Silergy Corp. Confidential- Prepared for Customer Use Only
3
Free Datasheet http://www.0PDF.com


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部品番号部品説明メーカ
SY7208

2A Step Up Regulator

Silergy
Silergy
SY7208B

2A Step Up Regulator

Silergy
Silergy


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