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TPS62619 Datasheet(PDF) 3 Page - Texas Instruments

Part # TPS62619
Description  350-mA, 6-MHz HIGH-EFFICIENCY STEP-DOWN CONVERTER IN LOW PROFILE CHIP SCALE PACKAGING (HEIGHT < 0.4mm)
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

TPS62619 Datasheet(HTML) 3 Page - Texas Instruments

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TPS62619, TPS62612
TPS62615, TPS62616
www.ti.com
SLVS936A – NOVEMBER 2009 – REVISED MARCH 2010
ELECTRICAL CHARACTERISTICS
Minimum and maximum values are at VI = 2.3V to 5.5V, VO = 1.8V, EN = 1.8V, AUTO mode and TA = –40°C to 85°C; Circuit
of Parameter Measurement Information section (unless otherwise noted). Typical values are at VI = 3.6V, VO = 1.8V, EN =
1.8V, AUTO mode and TA = 25°C (unless otherwise noted).
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
SUPPLY CURRENT
VI
Input voltage range
2.3
5.5
V
IO = 0mA. Device not switching
31
55
mA
IQ
Operating quiescent current
IO = 0mA, PWM mode
6.6
mA
I(SD)
Shutdown current
EN = GND
0.2
1
mA
UVLO
Undervoltage lockout threshold
2.05
2.1
V
ENABLE, MODE
VIH
High-level input voltage
1.0
V
VIL
Low-level input voltage
0.4
V
Ilkg
Input leakage current
Input connected to GND or VIN
0.01
1
mA
POWER SWITCH
TPS62612
VI = V(GS) = 3.6V. PWM mode
480
m
TPS62615
TPS62617
VI = V(GS) = 2.5V. PWM mode
640
m
P-channel MOSFET
TPS62619
rDS(on)
on resistance
VI = V(GS) = 3.6V. PWM mode
270
m
TPS62616
VI = V(GS) = 2.5V. PWM mode
350
m
Ilkg
P-channel leakage current, PMOS
V(DS) = 5.5V, -40°C ≤ TJ ≤ 85°C
1
mA
VI = V(GS) = 3.6V. PWM mode
140
m
N-channel MOSFET
rDS(on)
TPS6261x
on resistance
VI = V(GS) = 2.5V. PWM mode
200
m
Ilkg
N-channel leakage current, NMOS
V(DS) = 5.5V, -40°C ≤ TJ ≤ 85°C
1
mA
Discharge resistor for power-down
rDIS
15
50
sequence
P-MOS current limit
2.3V
≤ VI ≤ 4.8V. Open loop
850
1100
1200
mA
Thermal shutdown
140
°C
Thermal shutdown hysteresis
10
°C
OSCILLATOR
fSW
Oscillator frequency
TPS6261x
IO = 0mA. PWM mode
5.4
6
6.6
MHz
OUTPUT
2.3V
≤ VI ≤ 2.5V, 0mA ≤ IO ≤ 200 mA
2.5V
≤ VI ≤ 2.9V, 0mA ≤ IO ≤ 300 mA
0.98×VNOM
VNOM
1.03×VNOM
V
2.9V
≤ VI ≤ 4.8V, 0mA ≤ IO ≤ 350 mA
PFM/PWM operation
Regulated DC
2.9V
≤ VI ≤ 5.5V, 0mA ≤ IO ≤ 350 mA
0.98×VNOM
VNOM
1.04×VNOM
V
TPS62612
output voltage
PFM/PWM operation
TPS62615
V(OUT)
TPS62617
2.3V
≤ VI ≤ 2.5V, 0mA ≤ IO ≤ 200 mA
TPS62619
2.5V
≤ VI ≤ 2.9V, 0mA ≤ IO ≤ 300 mA
0.98×VNOM
VNOM
1.02×VNOM
V
2.9V
≤ VI ≤ 4.8V, 0mA ≤ IO ≤ 350 mA
PWM operation
Line regulation
VI = VO + 0.5V (min 2.3V) to 5.5V, IO = 200 mA
0.13
%/V
Load regulation
IO = 0mA to 350 mA
–0.0002
%/mA
Feedback input resistance
480
k
TPS62619
IO = 1mA
18
mVPP
Power-save mode
ΔVO
ripple voltage
TPS62615
IO = 1mA
22
mVPP
Power Supply
PSRR
TPS62619
f = 10kHz, IO = 150mA. PWM mode
50
dB
Rejection Ratio
Start-up time
TPS62619
IO = 0mA, Time from active EN to VO
96
ms
Copyright © 2009–2010, Texas Instruments Incorporated
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Product Folder Link(s): TPS62619 TPS62612 TPS62615 TPS62616


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