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LMZ23603 Datasheet(PDF) 5 Page - Texas Instruments

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Part # LMZ23603
Description  3A SIMPLE SWITCHER Power Module
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Manufacturer  TI1 [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI1 - Texas Instruments

LMZ23603 Datasheet(HTML) 5 Page - Texas Instruments

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LMZ23603
www.ti.com
SNVS711J – MARCH 2011 – REVISED AUGUST 2015
Electrical Characteristics (continued)
Limits are for TJ = 25°C unless otherwise specified. Minimum and Maximum limits are specified through test, design or
statistical correlation. Typical values represent the most likely parametric norm at TJ = 25°C, and are provided for reference
purposes only. Unless otherwise stated the following conditions apply: VIN = 12V, VOUT = 3.3V
PARAMETER
TEST CONDITIONS
MIN(1)
TYP(2)
MAX(1)
UNIT
Synchronization logic zero
over the junction temperature (TJ)
VIL-sync
Relative to AGND
0.4
V
amplitude
range of –40°C to +125°C
Synchronization logic one
Relative to
over the junction temperature (TJ)
VIH-sync
1.5
V
amplitude
AGND.
range of –40°C to +125°C
Synchronization duty
Vsync DC
15%
50%
85%
cycle range
Dmax
Maximum Duty Factor
83%
REGULATION AND OVERVOLTAGE COMPARATOR
VSS >+ 0.8 V
0.796
In-regulation feedback
TJ = –40°C to
VFB
V
over the junction temperature (TJ)
voltage
125°C
0.776
0.816
range of –40°C to +125°C
IO = 3 A
Feedback overvoltage
0.86
VFB-OV
V
protection threshold
Feedback input bias
5
IFB
nA
current
Non-switchinginput
2.6
IQ
VFB= 0.86 V
mA
current
Shutdown quiescent
70
ISD
VEN= 0 V
μA
current
THERMAL CHARACTERISTICS
TSD
Thermal shutdown
Rising
165
°C
TSD-HYST
Thermal shutdown
Falling
15
°C
hysteresis
PERFORMANCE PARAMETERS(3)
ΔVO
Output voltage ripple
Cout = 220 µF with 7-m
Ω ESR + 100-µF X7R + 2 x
9
mVPP
0.047-µF BW at 20 MHz
ΔVO/ΔVIN
Line regulation
VIN = 12 V to 36 V, IO= 0.001 A
±0.02%
ΔVO/IOUT
Load regulation
VIN = 12 V, IO= 0.001 A to 3 A
1
mV/A
η
Full load efficiency
VIN = 12 V VO = 3.3 V, IO = 3 A
85%
VIN = 24 V VO = 3.3 V, IO = 3 A
78%
η
Peak efficiency
VIN = 24 V VO = 3.3 V, IO = 2 A
80%
VIN = 12 V VO = 3.3 V, IO = 1 A
86%
(3)
Refer to BOM in Table 1.
Copyright © 2011–2015, Texas Instruments Incorporated
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