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MP2269GD 数据表(PDF) 4 Page - Monolithic Power Systems

部件名 MP2269GD
功能描述  3.3V - 30V, 1A, 12uA IQ, Synchronous, Step-Down Converter with External Soft Start and Power Good in 2x3mm QFN Package
PDF  19 Pages
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制造商  MPS [Monolithic Power Systems]
网页  http://www.monolithicpower.com
标志 MPS - Monolithic Power Systems

MP2269GD 数据表(HTML) 4 Page - Monolithic Power Systems

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MP2269 - 30V, 1A, LOW IQ, SYNCHRONOUS STEP-DOWN CONVERTER
MP2269 Rev. 1.0
www.MonolithicPower.com
4
10/11/2016
MPS Proprietary Information. Patent Protected. Unauthorized Photocopy and Duplication Prohibited.
© 2016 MPS. All Rights Reserved.
ELECTRICAL CHARACTERISTICS
VIN = 12V, VEN = 2V, TJ = -40°C to +125°C (5), typical values are at TJ = +25°C, unless otherwise
noted.
Parameter
Symbol
Condition
Min
Typ
Max
Units
VIN under-voltage lockout
threshold rising
INUVVth
2.5
2.8
3.2
V
VIN under-voltage lockout
threshold hysteresis
INUVHYS
150
mV
VIN quiescent current
IQ
FB = 0.85V, no load, sleep
mode
12
µA
VIN shutdown current
ISHDN
EN = 0V
1
5
µA
FB voltage
VFB
TJ = -40°C to +125°C
784
800
816
mV
TJ = 25°C
792
800
808
mV
Switching frequency
FSW
RFREQ = 164k
Ω
425
500
575
kHz
RFREQ = 82k
Ω
850
1000
1150
kHz
RFREQ = 27k
Ω
2250
2500
2750
kHz
Minimum on time (6)
TON_MIN
80
ns
Switch current limit
ILIMIT_HS
Duty cycle = 40%
2.5
A
Valley current limit
ILIMIT_LS
VOUT = 3.3V, L = 6.5µH
1.35
A
ZCD current
IZCD
50
mA
LS reverse current limit
ILIMIT_REVERSE
1.5
A
Switch leakage current
ISW_LKG
0.01
1
µA
HS switch on resistance
RON_HS
VBST-VSW = 5V
180
mΩ
LS switch on resistance
RON_LS
80
mΩ
Soft-start current
ISS
VSS = 0.8V
5
10
15
µA
EN rising threshold voltage
VEN_RISING
0.9
1.05
1.2
V
EN hysteresis voltage
VEN_HYS
110
mV
PG OV rising (VFB/0.8V)
PGVth_OV_Rising
105
110
115
%
PG OV falling (VFB/0.8V)
PGVth_OV_Falling
113.5
118
123.5
%
PG UV rising (VFB/0.8V)
PGVth_UV_Rising
85
90
95
%
PG UV falling (VFB/0.8V)
PGVth_UV_Falling
79
84
89
%
PG output voltage low
VPG_LOW
ISINK = 2mA
0.2
0.4
V
PG deglitch timer rising
TPG_DEGLITCH_Rising
34
µs
PG deglitch timer falling
TPG_DEGLITCH_Falling
57
µs
Thermal shutdown (6)
TSD
170
C
Thermal shutdown hysteresis (6)
TSD_HYS
20
°C
NOTE:
5) Not tested in production. Guaranteed by over-temperature correlation.
6) Guaranteed by characterization test.



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