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LMZM23600SILR Datasheet(Hoja de datos) 7 Page - Texas Instruments

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No. de Pieza. LMZM23600SILR
Descripción  36-V, 0.5-A Step-Down DC-DC Power Module in 3.8-mm x 3-mm Package
Descarga  36 Pages
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Fabricante  TI1 [Texas Instruments]
Página de inicio  http://www.ti.com
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 7 page
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7
LMZM23600
www.ti.com
SNVSB53 – FEBRUARY 2018
Product Folder Links: LMZM23600
Submit Documentation Feedback
Copyright © 2018, Texas Instruments Incorporated
Electrical Characteristics (continued)
Limits apply over the recommended operating junction temperature range of -40°C to +125°C, unless otherwise stated.
Minimum and maximum limits are ensured 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 = 24 V.
PARAMETER
TEST CONDITIONS
MIN
TYP
MAX
UNIT
POWER GOOD FLAG (PGOOD)
VPGOOD_OV
PGOOD upper threshold voltage
Rising, % of Vout
104%
106.7%
109%
VPGOOD_UV
PGOOD lower threshold voltage
Falling, % of Vout
92%
94.7%
97%
VPGOOD_GUARD
Magnitude of PGOOD lower
threshold difference from steady
state output voltage.
Steady state output voltage PGOOD
threshold read at the same TJ and VIN
4.5%
VPGOOD_HYST
PGOOD hysteresis as a percent
of output voltage set point
1.4%
VPGOOD_VALID
Minimum input voltage for proper
PGOOD function
50-µA pullup to PGOOD pin, EN = 0 V, TJ
= 25°C
1.0
1.5
V
tRESET_FILTER
Glitch filter time constant for
PGOOD function
190
µs
VOL
Low-level PGOOD function
output voltage
50-µA pullup to PGOOD pin, VIN = 1.5 V,
EN = 0 V
0.4
V
0.5-mA pullup to PGOOD pin, VIN = 12 V,
EN = 0 V
0.4
1-mA pullup to PGOOD pin, VIN = 12 V,
EN = 3.3 V
0.4
RPGOOD_RDSON
RDSON of the PGOOD output
pull down
50
110
Ω
SWITCHING FREQUENCY
fSW
Switching frequency
VIN = 24 V, 5-V and 3.3-V fixed output
options
675
750
825
kHz
VIN = 24 V, ADJ output options
890
1000
1090
VIN = 36 V, 5-V and 3.3-V fixed output
options
750
VIN = 36 V, ADJ output options
800
FREQUENCY SYNCHRONIZATION AND MODE
fSYNC
Sync frequency range
5-V and 3.3-V fixed output options VOUT +
VDROPOUT < VIN < 36 V
500
825
kHz
ADJ output options VOUT + VDROPOUT<
VIN < 28 V
700
1100
DSYNC
Sync input duty cycle range
2.3 V < HIGH state input < 5.5 V
25%
75%
VMODE_HIGH
MODE/SYNC input logic HIGH
voltage to enter FPWM mode
1.5
V
VMODE_LOW
MODE/SYNC input logic LOW
voltage to enter AUTO PFM
mode
0.4
V
IMODE
MODE/SYNC leakage current
VIN = 12 V, VMODE/SYNC = 3.3 V
1
µA
VIN = 12 V, VMODE/SYNC = 12V
5
tMODE
MODE transition time to FPWM
VIN = 12 V, VOUT = 5 V, IOUT= 20 mA
300
µs
MODE transition time to AUTO
PFM
VIN = 12 V, VOUT = 5 V, IOUT = 20 mA
300
CURRENT LIMIT PROTECTION
IL-HS
0.5-A option high-side switch
current limit
Duty cycle approaches 0%
0.94
1.35
1.6
A
IL-LS
0.5-A option low-side switch
current limit
0.5
0.625
0.75
A
IL-ZC
Zero-cross current limit
MODE/SYNC = logic LOW
–0.01
A




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