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| 型号： | SP6650EU-L/TR |
| 厂商： | Exar Corporation |
| 文件页数： | 2/17页 |
| 文件大小： | 0K |
| 描述： | IC REG BUCK SYNC 3.3V/ADJ 10MSOP |
| 标准包装： | 2,500 |
| 类型： | 降压（降压） |
| 输出类型： | 两者兼有 |
| 输出数： | 1 |
| 输出电压： | 3.3V，1.25 V ~ 5 V |
| 输入电压： | 2.7 V ~ 6.5 V |
| 电流 - 输出： | 600mA |
| 同步整流器： | 是 |
| 工作温度： | -40°C ~ 85°C |
| 安装类型： | 表面贴装 |
| 封装/外壳： | 10-TFSOP，10-MSOP（0.118"，3.00mm 宽） |
| 包装： | 带卷 (TR) |
| 供应商设备封装： | 10-MSOP |
S P 6 6 5 0
H i g h E f f i c i e n c y 6 0 0 m A S y n c h r o n o u s B u c k R e g u l a t o r
ABSOLUTE MAXIMUM RATINGS
These are stress ratings only and functional operation of
the device at these ratings or any other above those
indicated in the operation sections of the specifications
OPERATING RATINGS
Input Voltage Range V IN ............................. UVLO to 6.5V
Ambient Temperature ............................. -40°C to +85°C
below is not implied. Exposure to absolute maximum
rating conditions for extended periods of time may affect
reliability.
PV IN , V IN ............................................................... 7.0V
All Other Pins ..................................... -0.3V to V IN +0.3V
PV IN , PGND, LX Current ............................................. 2A
Storage Temperature .............................. -65°C to 150°C
ELECTRICAL SPECIFICATIONS
Specifications with standard type are for an Operating Junction Temperature of T J = 25°C only; limits applying over the full
Operating Junction Temperature range are denoted by a “?”. Minimum and Maximum limits are guaranteed through test,
design, or statistical correlation. Typical values represent the most likely parametric norm at T J = 25°C, and are provided for
reference purposes only. Unless otherwise indicated, V IN = 3.6V, V OUT = 3.3V, I LIM = SHDN = V IN , FB = GND, L 1 = 22μH, C IN
= C OUT = 47μF, T A = – 40°C to 85°C.
Parameter
Input Voltage Operating Range
Min.
UVLO
Typ.
Max.
6.5
Units
V
?
Conditions
Undervoltage Lockout Threshold
2.6
2.7
2.8
V
?
V IN Rising
Undervoltage Lockout Hysteresis
120
mV
?
FB Set Voltage, V REF
V REF Load Regulation
V REF Line Regulation
V REF Line and Load Regulation
V OUT Accuracy
V OUT Line and Load Regulation
1.23
3.23
3.17
1.25
0.5
0.5
0.65
3.30
3.30
1.27
3.37
3.43
V
%
%
%
V
V
?
?
?
?
?
?
V OUT tied to FB Pin
I LOAD = 0 to 600mA
V IN = 3.6V, V OUT = 3.3V
V IN = 3.6V to 6.5V
V OUT = 3.3V, I LOAD = 200mA
V IN = 3.6V to 6.5V
I LOAD = 0 to 600mA
I LOAD = 100mA, V IN = 3.6V
V IN = 3.6V to 6.5V
I LOAD = 0 to 600mA
On-Time Constant - K ON
Minimum T ON = K ON / (V IN -V OUT )
2.7
μs*V
?
PMOS Switch Resistance
NMOS Switch Resistance
V IN Pin Quiescent Current
V IN Pin Shutdown Current
V OUT Pin Quiescent Current
V OUT Pin Shutdown Current
Power Efficiency
0.4
0.3
70
0.3
7
0.1
92
95
88
0.8
0.8
150
500
12
500
Ω
Ω
μA
nA
μA
nA
%
%
%
?
?
?
?
?
?
?
I PMOS = 200mA
I NMOS = 200mA
SHDN = V IN = FB = 1.5V
SHDN = 0V
SHDN = V IN = FB = 1.5V
SHDN = 0V
I LOAD = 600mA
I LOAD = 100mA
I LOAD = 1mA
Minimum Guaranteed Load
Current
600
300
700
350
mA
mA
?
I LIM = V IN
I LIM = 0V
Inductor Current Limit
0.75
0.40
0.95
0.50
1.15
0.60
A
A
?
I LIM = V IN
I LIM = 0V
Inductor Current Limit
-100
ppm/ °C
?
Falling BLON Trip Voltage
BLON Trip Voltage Hysteresis
BLON Low Output Voltage
BLON Leakage Current
2.88
3.00
2.9
3.12
0.4
1
V
%
V
μA
?
?
?
?
V IN = V OUT = 3.0V,
I SINK = 1mA
V BLON = 3.3V
? 2012 Exar Corporation
2/17
Rev. 2.0.0
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