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TPS61310_12 PDF预览

TPS61310_12

更新时间: 2024-02-10 17:02:49
品牌 Logo 应用领域
德州仪器 - TI 驱动器闪光灯
页数 文件大小 规格书
57页 2417K
描述
1.5A Multiple LED Camera Flash and Video Light Driver With I2CTM Compatible Interface

TPS61310_12 数据手册

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TPS61310, TPS61311  
www.ti.com  
SLVS978C MARCH 2010REVISED NOVEMBER 2012  
ELECTRICAL CHARACTERISTICS  
Unless otherwise noted the specification applies for VIN = 3.6V over an operating junction temp. –40°C TJ 125°C; Circuit  
of Parameter Measurement Information section (unless otherwise noted). Typical values are for TJ = 25°C.  
PARAMETER  
SUPPLY CURRENT  
TEST CONDITIONS  
MIN  
TYP MAX UNIT  
VIN  
Input voltage range  
2.5  
5.5  
V
IOUT = 0 mA, device not switching (Power Safe  
Mode)  
–40°C TJ +85°C  
590  
700  
μA  
mA  
IQ  
Operating quiescent current into AVIN  
Shutdown current  
IOUT(DC) = 0mA, PWM operation  
VOUT = 4.95V, voltage regulation mode  
11.3  
1
ISD  
–40°C TJ +85°C  
5
μA  
VUVLO  
Undervoltage lockout threshold  
(analog circuitry)  
VIN falling  
2.3  
2.4  
V
OUTPUT  
Current regulation mode  
Voltage regulation mode  
VIN  
5.5  
5.7  
V
V
Output voltage range  
3.825  
VOUT  
Internal feedback voltage accuracy  
2.5V VIN 4.8V, –20°C TJ +125°C  
Boost mode, PWM voltage regulation  
–2%  
2%  
Power-save mode ripple voltage  
Output overvoltage protection  
IOUT = 10 mA  
0.015 VOUT  
4.65  
VP-P  
V
VOUT rising, 0000 OV[3:0] 0100  
VOUT rising, 0101 OV[3:0] 1111  
VOUT falling  
4.5  
5.8  
4.8  
6.2  
OVP  
6.0  
V
Output overvoltage protection hysteresis  
0.15  
V
POWER SWITCH  
rDS(on)  
Switch MOSFET on-resistance  
VOUT = VGS = 3.6 V  
90  
135  
0.3  
mΩ  
mΩ  
μA  
Rectifier MOSFET on-resistance  
Leakage into SW  
VOUT = VGS = 3.6 V  
Ilkg(SW)  
Ilim  
VOUT = 0V, SW = 3.6V, –40°C TJ +85°C  
4
VOUT = 4.95V  
–20°C TJ +85°C  
Rectifier valley current limit (open-loop)  
–15  
+15  
%
PWM operation, relative to selected ILIM  
OSCILLATOR  
fOSC Oscillator frequency  
fACC Oscillator frequency  
1.92  
MHz  
%
–10  
140  
–8  
+7  
8
THERMAL SHUTDOWN, HOT DIE DETECTOR  
Thermal shutdown(1)  
160  
20  
°C  
°C  
°C  
Thermal shutdown hysteresis(1)  
Hot die detector accuracy(1)  
(1) Verified by characterization. Not tested in production.  
Copyright © 2010–2012, Texas Instruments Incorporated  
Submit Documentation Feedback  
3
Product Folder Links: TPS61310 TPS61311  
 

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