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EMK105BJ104KV-F Datasheet(PDF) 4 Page - Vishay Siliconix

Part # EMK105BJ104KV-F
Description  microBUCK SiC403 6 A, 28 V Integrated Buck Regulator with Programmable LDO
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Manufacturer  VISHAY [Vishay Siliconix]
Direct Link  http://www.vishay.com
Logo VISHAY - Vishay Siliconix

EMK105BJ104KV-F Datasheet(HTML) 4 Page - Vishay Siliconix

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Document Number: 66550
S12-0628-Rev. C, 19-Mar-12
Vishay Siliconix
SiC403
This document is subject to change without notice.
THE PRODUCTS DESCRIBED HEREIN AND THIS DOCUMENT ARE SUBJECT TO SPECIFIC DISCLAIMERS, SET FORTH AT www.vishay.com/doc?91000
For technical support, please contact: analogswitchtechsupport@vishay.com
Notes:
a. This device is ESD sensitive. Use of standard ESD handling precautions is required.
b. Calculated from package in still air, mounted to 3 x 4.5 (in), 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.
Exceeding the above specifications may result in permanent damage to the device or device malfunction. Operation outside of the parameters
specififed in the Electrical Characteristics section is not recommended.
Parameter
Symbol
Min.
Typ.
Max.
Unit
Thermal Resistance, Junction-to-Ambientb
High-Side MOSFET
Low-Side MOSFET
PWM Controller and LDO Thermal Resistance
25
20
50
°C/W
Peak IR Reflow Temperature
TReflow
-
260
°C
ELECTRICAL SPECIFICATIONS
Parameter
Symbol
Test Conditions Unless Specified
VIN = 12 V, VDD = 5 V, TA = + 25 °C for typ.,
- 40 °C to + 85 °C for min. and max.,
TJ = < 125 °C
Min.
Typ.
Max.
Unit
Input Supplies
VIN UVLO Threshold Voltage
a
VIN_UV+
Sensed at ENL pin, rising edge
2.4
2.6
2.95
V
VIN_UV-
Sensed at ENL pin, falling edge
2.235
2.4
2.565
VIN UVLO Hysteresis
VIN_UV_HY
EN/PSV = High
0.2
VDD UVLO Threshold Voltage
VDD_UV+
Measured at VDD pin, rising edge
2.5
2.8
3
VDD_UV-
Measured at VDD pin, falling edge
2.4
2.6
2.9
VDD UVLO Hysteresis
VDD_UV_HY
0.2
VIN Supply Current
IIN
EN/PSV, ENL = 0 V, VIN = 28 V
8.5
20
µA
Standby mode:
ENL = VDD, EN/PSV = 0 V
130
VDD Supply Current
IVDD
EN/PSV, ENL = 0 V
3
7
EN/PSV = VDD, no load (fSW = 25 kHz),
VFB > 750 mV
2
mA
fSW = 250 kHz, EN/PSV = floating, no load
b
25°C bench testing
10
Controller
FB On-Time Threshold
VFB-TH
Static VIN and load, - 40 °C to + 85 °C
0.7425
0.750
0.7599
V
Frequency Rangeb
FPWM
continuous mode, 25°C bench testing
200
1000
kHz
Bootstrap Switch Resistance
10
Timing
On-Time
tON
Continuous mode operation VIN = 15 V,
VOUT = 5 V, Rton = 300 k
2386
2650
2915
ns
Minimum On-Timeb
tON
25°C bench testing
80
Minimum Off-Timeb
tOFF
25°C bench testing
320
Soft Start
Soft Start Currentb
ISS
IOUT = ILIM/2, 25°C bench testing
2.75
µA
Analog Inputs/Outputs
VOUT Input Resistance
RO-IN
500
k
Current Sense
Zero-Crossing Detector Threshold Voltage
VSense-th
LX-PGND
- 3.5
0.5
+ 3.5
mV
Power Good
Power Good Threshold Voltage
PG_VTH_UPPER
VFB > internal reference 750 mV
+ 20
%
Power Good Threshold Voltage
PG_VTH_LOWER
VFB < internal reference 750 mV
- 10
Start-Up Delay Time
PG_Td
Css = 10 nF
12
ms
Fault (noise-immunity) Delay Timeb
PG_ICC
VEN = 0 V, 25°C bench testing
5
µs
Power Good Leakage Current
PG_ILK
VEN = 0 V
1
µA
Power Good On-Resistance
PG_RDS-ON
VEN = 0 V
10
THERMAL RESISTANCE RATINGS


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