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MP8796B Datasheet(PDF) 9 Page - Monolithic Power Systems

Part # MP8796B
Description  16V, 30A, Scalable, Digital, Synchronous Step-Down Converter with PMBus
PDF  52 Pages
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Manufacturer  MPS [Monolithic Power Systems]
Direct Link  http://www.monolithicpower.com
Logo MPS - Monolithic Power Systems

MP8796B Datasheet(HTML) 9 Page - Monolithic Power Systems

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MP8796B – 16V, 30A, SYNCHRONOUS STEP-DOWN CONVERTER WITH PMBUS
MP8796B Rev. 1.0
www.MonolithicPower.com
9
1/19/2020
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2020 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS (continued)
VIN = 12V, TJ = -40°C to +125°C(7), typical value is tested at TJ = 25°C, unless otherwise noted.
Parameters
Symbol
Condition
Min
Typ
Max
Units
Soft Start and Turn-On Delay
Soft-start time
tSS
61h[2:0] = 3b’001
1.7
2.3
3.0
ms
Min programmable soft-start
time (6)
tSS_MIN
61h[2:0] = 3b’000
1
ms
Max programmable soft-start
time (6)
tSS_MAX
16
ms
Turn-on delay
tON_DELAY
60h = 0x0001
3.9
4.5
5.1
ms
Min turn-on delay (6)
tON_DELAY_MIN 60h = 0x0000
0
ms
Max turn-on delay (6)
tON_DELAY_MAX 60h = 0x0100
1024
ms
Error Amplifier
Feedback current
IFB
VFB = VREF
50
100
nA
Soft Shutdown
Soft shutdown discharge
MOSFET
RON_DISCH
TJ = 25°C
60
120
Ω
Under-Voltage Lockout (UVLO)
VCC under-voltage lockout
threshold rising
VCCVth_Rise
2.60
2.75
2.9
V
VCC under-voltage lockout
threshold falling
VCCVth_Fall
2.35
2.50
2.65
V
VCC output voltage
VCC
3.10
3.25
3.40
V
Min input programmable
turn-on voltage
VIN_ON_MIN
VCC = 3.3V
2.65
2.90
3.1
V
Max input programmable
turn-on voltage
VIN_ON_MAX
16
16.5
17
V
Min input programmable
turn-off voltage (6)
VIN_OFF_MIN
VCC = 3.3V
2.5
2.75
3
V
Max input programmable
turn-off voltage
VIN_OFF_MAX
15.75
V
VDRV under-voltage lockout
rising threshold
VDRVVth_Rise
2.55
2.75
2.95
V
VDRV under-voltage lockout
falling threshold
VDRVVth_Fall
2.15
2.35
2.55
V
Power Good (PG)
Power good high threshold
PGVth_Hi_Rise
FB from low to high, default
setting (D9h[1:0] = 2b’01)
91%
94%
97%
VREF
Power good low threshold
PGVth_Lo_Rise
FB from low to high, default
setting (D4h[1:0] = 2b’00)
112% 115% 118%
VREF
PGVth_Lo_Fall
FB from high to low, default
setting (D9h[3:2] = 2’b10)
76%
79%
83%
VREF
Power good low-to-high delay
PGTd
Default setting
(D1h[5:2] = 4b’0000)
1.6
2.0
2.4
ms
Power good sink current
capability
VPG
IPG = 10mA
0.3
V



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