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S-85V1AB28-I6T1U PDF预览

S-85V1AB28-I6T1U

更新时间: 2024-11-08 00:38:15
品牌 Logo 应用领域
精工 - SII 输入元件开关
页数 文件大小 规格书
30页 2850K
描述
5.5 V INPUT, 200 mA SYNCHRONOUS STEP-DOWN SWITCHING REGULATOR WITH 10 uA QUIESCENT CURRENT

S-85V1AB28-I6T1U 数据手册

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S-85V1A Series  
5.5 V INPUT, 200 mA SYNCHRONOUS STEP-DOWN  
SWITCHING REGULATOR WITH 10  
μ
A QUIESCENT CURRENT  
www.sii-ic.com  
© SII Semiconductor Corporation, 2017  
Rev.1.0_00  
The S-85V1A Series is a step-down switching regulator which features high efficiency and fast transient response.  
Since PWM / PFM switching control automatically switches to PFM control when under light load, high efficiency is  
realized. This IC is suitable for mobile devices and battery powered devices due to introduction of own distinctive COT  
(Constant On-Time) control.  
Also, high-density mounting is realized by adopting super-small, thin SNT-6A package. Therefore, the occupancy area  
including a coil, an input capacitor and an output capacitor can be reduced to 2.0 mm × 4.5 mm = 9.0 mm2, and it  
contributes to miniaturization of electronic equipment.  
Features  
Applications  
Current consumption:  
Efficiency:  
Fast transient response:  
Input voltage:  
Output voltage:  
10 μA quiescent current  
93%  
COT control  
Bluetooth device  
Wireless sensor network device  
Healthcare equipment  
Smart meter  
2.2 V to 5.5 V  
0.7 V to 2.5 V, in 0.05 V step  
2.6 V to 3.9 V, in 0.1 V step  
1.5% (1.0 V VOUT 3.9 V)  
15 mV (0.7 V VOUT < 1.0 V)  
1.0 MHz (at PWM operation)  
450 mΩ  
Portable game device  
Remote control  
Output voltage accuracy:  
Package  
Switching frequency:  
SNT-6A  
(1.80 mm  
High side power MOS FET on-resistance:  
Low side power MOS FET on-resistance:  
Soft-start function:  
× 1.57 mm × t0.5 mm max.)  
350 mΩ  
1 ms typ.  
Under voltage lockout function (UVLO):  
Thermal shutdown function:  
1.8 V typ. (detection voltage)  
135°C typ. (detection temperature)  
450 mA (at L = 2.2 μH)  
Overcurrent limit function:  
Automatic recovery type short-circuit protection function:Hiccup control  
Input and output capacitors:  
Operation temperature range:  
Lead-free (Sn 100%), halogen-free  
Ceramic capacitor compatible  
Ta = 40°C to +85°C  
Typical Application Circuit  
Efficiency  
VOUT(S) = 1.8 V  
L
100  
2.2 H  
V
IN  
V
OUT  
VIN  
SW  
80  
60  
40  
20  
0
C
OUT  
C
IN  
10 F  
10 F  
PVSS  
EN  
VOUT  
V
IN = 2.5 V  
VIN = 3.6 V  
VIN = 4.2 V  
VSS  
0.1  
1
10  
100  
1000  
IOUT [mA]  
1

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