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TPS61305YFFT Datasheet(PDF) 3 Page - Texas Instruments

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Part # TPS61305YFFT
Description  1.5A/4.1A Multiple LED Camera Flash Driver With I2CTM Compatible Interface
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS61305YFFT Datasheet(HTML) 3 Page - Texas Instruments

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TPS61300
TPS61301
TPS61305, TPS61305A
www.ti.com
SLVS957D – JUNE 2009 – REVISED OCTOBER 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
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
VIN
Input voltage range
2.5
5.5
V
IOUT = 0 mA, device not switching
μA
590
700
–40°C
≤ TJ ≤ +85°C
IQ
Operating quiescent current into AVIN
IOUT(DC) = 0mA, PWM operation
mA
11.3
VOUT = 4.95V, voltage regulation mode
ISD
Shutdown current
HC_SEL = 0, –40°C
≤ TJ ≤ +85°C
1
5
μA
HC_SEL = 1, storage capacitor balanced
μA
ISTBY
Standby current
2
12
–40°C
≤ TJ ≤ +85°C
Pre-charge current
VOUT = 2.3V, 2.5V ≤ VIN ≤ 5.5V
150
mA
Pre-charge hysteresis (referred to VOUT)
40
75
mV
VUVLO
Undervoltage lockout threshold
V
VIN falling
2.3
2.4
(analog circuitry)
OUTPUT
Current regulation mode
VIN
5.5
V
Output voltage range
Voltage regulation mode
3.825
5.7
V
VOUT
2.5V
≤ VIN ≤ 4.8V, –20°C ≤ TJ ≤ +125°C
Internal feedback voltage accuracy
–2%
2%
Boost mode, PWM voltage regulation
Power-save mode ripple voltage
IOUT = 10 mA
0.015 VOUT
VP-P
VOUT rising, 0000 ≤ OV[3:0] ≤ 0100
4.5
4.65
4.8
V
Output overvoltage protection
OVP
VOUT rising, 0101 ≤ OV[3:0] ≤ 1111
5.8
6.0
6.2
V
Output overvoltage protection hysteresis
VOUT falling, 0101 ≤ OV[3:0] ≤ 1111
0.15
V
POWER SWITCH
rDS(on)
Switch MOSFET on-resistance
VOUT = VGS = 3.6 V
90
m
Rectifier MOSFET on-resistance
VOUT = VGS = 3.6 V
135
m
Ilkg(SW)
Leakage into SW
VOUT = 0V, SW = 3.6V, –40°C ≤ TJ ≤ +85°C
0.3
4
μA
VOUT = 4.95V, HC_SEL = 0
Ilim
Rectifier valley current limit (open-loop)
–20°C
≤ TJ ≤ +85°C
–15
+15
%
PWM operation, relative to selected ILIM
OSCILLATOR
fOSC
Oscillator frequency
1.92
MHz
fACC
Oscillator frequency
–10
+7
%
THERMAL SHUTDOWN, HOT DIE DETECTOR
Thermal shutdown(1)
140
160
°C
Thermal shutdown hysteresis(1)
20
°C
Hot die detector accuracy(1)
–8
8
°C
(1)
Verified by characterization. Not tested in production.
Copyright © 2009–2012, Texas Instruments Incorporated
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Product Folder Links: TPS61300 TPS61301 TPS61305 TPS61305A


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