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TPS7A8801RTJT Datasheet(PDF) 5 Page - Texas Instruments

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Part # TPS7A8801RTJT
Description  LDO Voltage Regulator
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

TPS7A8801RTJT Datasheet(HTML) 5 Page - Texas Instruments

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TPS7A88
www.ti.com
SBVS248A – NOVEMBER 2015 – REVISED NOVEMBER 2015
6.5 Electrical Characteristics
over operating temperature range (TJ = –40°C to +125°C), VINx = 1.4 V, VOUTx(TARGET) = 0.8 V, IOUTx = 50 mA, VENx = 1.4 V,
COUTx = 10 μF, CNR/SSx = 0 nF, CFFx = 0 nF, SS_CTRLx = GND, PGx pin pulled up to VINx with 100 kΩ, and for each channel
(unless otherwise noted); typical values are at TJ = 25°C
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
VINx
(1)
Input supply voltage range
1.4
6.5
V
VREF
Reference voltage
0.8
V
VUVLO
Input supply UVLO
VINx rising
1.31
1.39
V
VHYS
VUVLO
290
mV
Output voltage range
0.8 – 1.0%
5.0 + 1.0%
V
VOUTx
Output voltage accuracy(2)(3)
0.8 V
≤ VOUTx ≤ 5 V, 5 mA ≤ IOUTx ≤ 1 A
–1.0%
1.0%
ΔVOUTx(ΔVINx)
Line regulation
IOUTx= 5 mA, 1.4 V ≤ VINx ≤ 6.5 V
0.003
%/V
ΔVOUTx(ΔIOUTx)
Load regulation
5 mA
≤ IOUTx ≤ 1 A
0.03
%/A
VINx ≥ 1.4 V, 0.8 V ≤ VOUTx ≤ 5.0 V,
VDO
Dropout voltage
200
mV
IOUTx = 1 A, VFBx = 0.8 V – 3%
VOUTx forced at 0.9 × VOUTx(TARGET),
ILIM
Output current limit
1.5
1.7
1.9
A
VINx = VOUTx(TARGET) + 300 mV
Both channels enabled, per channel,
2.1
3.5
VINx = 6.5 V, IOUTx = 5 mA
IGND
GND pin current
mA
Both channels enabled, per channel,
4
VINx = 1.4 V, IOUTx = 1 A
Both channels shutdown, per channel, PGx = (open),
ISDN
Shutdown GND pin current
0.1
15
μA
VINx = 6.5 V, VENx = 0.5 V
IENx
ENx pin current
VINx = 6.5 V, 0 V ≤ VENx ≤ 6.5 V
–0.2
0.2
μA
ENx pin low-level input voltage
VIL(ENx)
0
0.4
V
(device disabled)
ENx pin high-level input voltage
VIH(ENx)
1.1
6.5
V
(device enabled)
ISS_CTRLx
SS_CTRLx pin current
VINx = 6.5 V, 0 V ≤ VSS_CTRLx ≤ 6.5 V
–0.2
0.2
μA
For PGx transitioning low with falling VOUTx,
VIT(PGx)
PGx pin threshold
82%
88.9%
93%
expressed as a percentage of VOUTx(TARGET)
For PGx transitioning high with rising VOUTx,
Vhys(PGx)
PGx pin hysteresis
1%
expressed as a percentage of VOUTx(TARGET)
VOL(PGx)
PGx pin low-level output voltage
VOUTx < VIT(PGx), IPGx = –1 mA (current into device)
0.4
V
Ilkg(PGx)
PGx pin leakage current
VOUTx > VIT(PGx), VPGx = 6.5 V
1
µA
VNR/SSx = GND, 1.4 V ≤ VINx ≤ 6.5 V,
4.0
6.2
9.0
VSS_CTRLx = GND
INR/SSx
NR/SSx pin charging current
µA
VNR/SSx = GND, 1.4 V ≤ VINx ≤ 6.5 V, VSS_CTRLx = VINx
65
100
150
IFBx
FBx pin leakage current
VINx = 6.5 V, VFBx = 0.8 V
–100
100
nA
f = 500 kHz, VINx = 3.8 V, VOUTx = 3.3 V,
PSRR
Power-supply ripple rejection
40
dB
IOUTx = 750 mA, CNR/SSx = 10 nF, CFFx = 10 nF
BW = 10 Hz to 100 kHz, VINx = 1.8 V, VOUTx = 0.8 V,
Vn
Output noise voltage
3.8
μVRMS
IOUTx = 1.0 A, CNR/SSx = 1 µF, CFFx = 100 nF
f = 10 kHz, VINx = 1.8 V, VOUTx = 0.8 V,
Noise spectral density
11
nV/
√Hz
IOUTx = 1.0 A, CNR/SSx = 10 nF, CFFx = 10 nF
Output active discharge
Rdiss
VENx = GND
250
Ω
resistance
Shutdown, temperature increasing
160
Tsd
Thermal shutdown temperature
°C
Reset, temperature decreasing
140
(1)
Lowercase x indicates that the specification under consideration applies to both channel 1 and channel 2, one channel at a time.
(2)
When the device is connected to external feedback resistors at the FBx pin, external resistor tolerances are not included.
(3)
The device is not tested under conditions where VINx > VOUTx + 2.5 V and IOUTx = 1 A because the power dissipation is higher than the
maximum rating of the package. Also, this accuracy specification does not apply on any application condition that exceeds the power
dissipation limit of the package under test.
Copyright © 2015, Texas Instruments Incorporated
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