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TPSM846C23 датащи(PDF) 6 Page - Texas Instruments

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номер детали TPSM846C23
подробное описание детали  4.5-V to 15-V Input, 0.35-V to 2.0-V Output, 35-A PMBus Power Module
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производитель  TI1 [Texas Instruments]
домашняя страница  http://www.ti.com
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TPSM846C23
SLVSDF3C – MARCH 2017 – REVISED AUGUST 2017
www.ti.com
Product Folder Links: TPSM846C23
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
(1)
For more information about traditional and new thermal metrics, see the Semiconductor and IC Package Thermal Metrics application
report, SPRA953.
6.5 Thermal Information
THERMAL METRIC(1)
TPSM846C23
UNIT
MOL (QFN)
59 PINS
RθJA
Junction-to-ambient thermal resistance
8.7
°C/W
ψJT
Junction-to-top characterization parameter
0.9
°C/W
ψJB
Junction-to-board characterization parameter
4.3
°C/W
(1)
Output voltage is set by the VOUT_COMMAND PMBus command.
(2)
Specified by design.
(3)
While the PMBus permits setting the output voltage higher than 2.0 V, this product is not designed to be operated beyond this limit.
(4)
The stated limit of the set-point tolerance includes the tolernace of both the internal voltage reference and the internal adjustment
resistor. The overall output voltage tolerance will be affected by the tolerance of the external RSET resistor.
6.6 Electrical Characteristics
Over –40°C to 105°C free-air temperature range, VIN = 12 V, VOUT = 1.2 V, IOUT = IOUT max, ƒSW = 500 kHz,
CIN1 = 4 × 22-µF, 25-V, 1210 ceramic; CIN2 = 2 × 330-µF, 25-V, electrolytic bulk; COUT1 = 4 × 47-µF, 6.3-V, 1210 ceramic;
COUT2 = 2 × 470-µF, 6.3-V polymer bulk (unless otherwise noted)
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
INPUT VOLTAGE (VIN)
VIN
Input voltage
Over IOUT range
4.5
15
V
IVIN
Input operating current
Non-switching supply current
7.7
12
mA
OUTPUT VOLTAGE (VOUT)
VOUT
Factory default setting
RSET = Not loaded, VOUT_SCALE_LOOP = 1.0
600
mV
RSET = 10 kΩ, 1%, VOUT_SCALE_LOOP = 0.5
1.20
V
VOUT programmable
range(1) (2)
RSET = Not loaded, VOUT_SCALE_LOOP = 1.0
0.35
1.65
V
RSET = 10 kΩ, 1%, VOUT_SCALE_LOOP = 0.5
0.7
2(3)
V
VOUT programmable step
size
RSET = Not loaded, VOUT_SCALE_LOOP = 1.0
1.953
mV
RSET = 10 kΩ, 1%, VOUT_SCALE_LOOP = 0.5
3.906
mV
Set-point voltage tolerance
RSET = Not loaded, TJ = 25°C, IOUT = 0A
–1.0%
1.0%
RSET = 10 kΩ, 1%, TJ = 25°C, IOUT = 0A
(4)
–1.5%
1.5%
Temperature variation
0°C < TJ < 85°C, IOUT = 0 A
(2)
–0.5%
0.5%
–40°C < TJ < 125°C, IOUT = 0 A
(2)
–1.0%
1.0%
Line regulation
4.5 V < VIN < 15 V, IOUT = 0 A
±0.05%
Load regulation
Over IOUT range, using remote sense
±0.2%
VOUT
ripple
Output voltage ripple
20 MHz bandwidth
13
mV
OUTPUT CURRENT
IOUT
Output current
Natural Convection. See SOA graph for derating
over temperature.
0
35
A
IOCF
Overcurrent fault threshold
Factory default setting
42
A
Programmable range
5
52
IOCWF
Overcurrent warning
threshold
Factory default setting
37
A
Programmable range
4
50
IOCF(acc)
Overcurrent fault
accuracy
IOUT ≥ 20 A
–15%
15%
ISH(acc)
Output current share
accuracy
(IOUT1 – IOUT2) ÷ ITOTAL, IOUT ≥ 20 A per module
(2)
–15%
15%
(IOUTx – ITOTAL) ÷ 2, IOUT < 20 A per module
(2)
–3
3
A


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