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TPSM846C23MOLR Fiches technique(PDF) 7 Page - Texas Instruments

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No de pièce TPSM846C23MOLR
Description  4.5-V to 15-V Input, 0.35-V to 2.0-V Output, 35-A PMBus Power Module
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Fabricant  TI1 [Texas Instruments]
Site Internet  http://www.ti.com
Logo TI1 - Texas Instruments

TPSM846C23MOLR Fiches technique(HTML) 7 Page - Texas Instruments

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TPSM846C23
www.ti.com
SLVSDF3C – MARCH 2017 – REVISED AUGUST 2017
Product Folder Links: TPSM846C23
Submit Documentation Feedback
Copyright © 2017, Texas Instruments Incorporated
Electrical Characteristics (continued)
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
(5)
Functionality Verified. Limits guaranteed at internal IC test.
(6)
Specified by design.
(7)
The minimum required output capacitance consists of 4 × 47-µF ceramic capacitors and 2 × 470-µF, 10 mΩ ESR (5 mΩ equivalent).
(8)
The proper frequency compensation network values are determined by the total amount of output capacitance. (See the Setting the
Compensation Network section.)
(9)
The maximum ESR refers to the combined equivalent ESR of all non-ceramic output capacitors. For example, two 10 mΩ ESR
capacitors have a combined equivalent ESR of 5 mΩ.
POWER GOOD (PGOOD) AND OVERVOLTAGE / UNDERVOLTAGE THRESHOLD(5)
VPG(OL)
PGOOD Output Low Voltage
VIN = 4.0 V, VOUT = 0 V, IPGOOD = 5 mA
0.3
V
VIN = 0 V, IPGOOD = 80 µA
0.8
VPG(rise)
PGOOD threshold VOUT
rising
VOUT setting = 1.2 V
95
%VO
VPG(fall)
PGOOD threshold VOUT
falling
105
%VO
VOVWARN
Overvoltage warning
threshold
112
%VO
VOVFAULT Overvoltage fault threshold
117
%VO
VUVWARN
Undervoltage warning
threshold
88
%VO
VUVFAULT Undervoltage fault threshold
83
%VO
PERFORMANCE
η
Efficiency (6)
VIN = 12 V, IOUT = 25 A
VOUT = 0.8 V
83%
VOUT = 1.2 V
87%
VOUT = 1.8 V
90%
VIN = 5 V, IOUT = 25 A
VOUT = 0.8 V
84%
VOUT = 1.2 V
88%
VOUT = 1.8 V
91%
Transient response (6)
10A / µs load step from
25% to 75% of IOUT(max),
COUT = 1000 µF,
RC = 1.0 kΩ, CC = 1.0 nF
VOUT
over/undershoot
60
mV
Recovery time
60
µs
10A / µs load step from
25% to 75% of IOUT(max),
COUT = 2000 µF,
RC = 665 Ω, CC = 1.5 nF
VOUT
over/undershoot
40
mV
Recovery time
60
µs
10A / µs load step from
25% to 75% of IOUT(max),
COUT = 4000 µF,
RC = 499 Ω, CC = 2.2 nF
VOUT
over/uncdershoot
27
mV
Recovery time
60
µs
INTERNAL LDO (BP6, BP3) (5)
VBP6
BP6 regulator output voltage
7.5V
≤ VIN ≤ 15 V, switching
5.85
6.4
6.95
V
VBP6 (DO) Dropout Voltage
(VVIN – VBP6), VIN = 4.5V, switching
400
mV
VBP3
BP3 regulator output voltage
VIN ≥ 4.5 V
3
3.2
3.4
V
CAPACITANCE
CIN
External input capacitance
ceramic
88
µF
non-ceramic
660
µF
COUT
External output capacitance
ceramic(7)
188
µF
non-ceramic(7)
940
4000(8)
µF
ESR (9)
5


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