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XR76208EL-Q Datasheet(PDF) 2 Page - Exar Corporation

Part # XR76208EL-Q
Description  AEC-Q100 Qualified 40V PowerBloxTM 3A/5A/8A Synchronous Step Down COT Regulator
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Manufacturer  EXAR [Exar Corporation]
Direct Link  http://www.exar.com
Logo EXAR - Exar Corporation

XR76208EL-Q Datasheet(HTML) 2 Page - Exar Corporation

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exar.com/XR76203-Q/XR76205-Q/XR76208-Q
Rev 1C
©2016-2017 Exar Corporation
Absolute Maximum Ratings
Stresses beyond the limits listed below may cause perma-
nent damage to the device. Exposure to any Absolute Max-
imum Rating condition for extended periods may affect
device reliability and lifetime.
PVIN, VIN.....................................................................-0.3V to 43V
VCC.............................................................................-0.3V to 6.0V
BST............................................................................-0.3V to 48V1
BST-SW.........................................................................-0.3V to 6V
SW, ILIM....................................................................-1V to 43V1, 2
ALL other pins...................................................-0.3V to VCC+0.3V
Storage Temperature............................................-65°C to +150°C
Junction Temperature............................................................150°C
Power Dissipation................................................Internally Limited
Lead Temperature (Soldering, 10 sec)..................................300°C
ESD Rating (HBM - Human Body Model)...............................
±2kV
ESD Rating (Charged device model (CDM) per AEC Q100-011,
Non-corner pins...................................................................
±500V
ESD Rating (Charged device model (CDM) per AEC Q100-011,
Corner pins 1, 7, 8, 14, 15, 22, 23, 30..................................
±750V
Operating Conditions
PVIN.................................................................................5V to 40V
VIN................................................................................5.5V to 40V
SW, ILIM.......................................................................-1V to 40V1
PGOOD, VCC, TON, SS, EN, FB.................................-0.3V to 5.5V
Switching Frequency........................................100kHz to 800kHz3
Junction Temperature Range................................-40°C to +125°C
XR76203-Q Package Thermal Resistance, JA..................28°C/W
XR76205-Q Package Thermal Resistance, JA..................26°C/W
XR76208-Q Package Thermal Resistance, JA..................25°C/W
XR76203-Q Package Power Dissipation at 25°C....................3.6W
XR76205-Q Package Power Dissipation at 25°C....................3.8W
XR76208-Q Package Power Dissipation at 25°C....................4.0W
Note 1: No external voltage applied.
Note 2: SW pin’s minimum DC range is -1V, transient is -5V for less than
50ns.
Note 3: Recommended frequency
Electrical Characteristics
Unless otherwise noted: TJ= 25°C, VIN=24V, BST=VCC, SW=AGND=PGND=0V, CVCC=4.7uF. Limits applying over the full
operating temperature range are denoted by a “
Symbol
Parameter
Conditions
Min
Typ
Max
Units
Power Supply Characteristics
VIN
Input Voltage Range
VCC regulating
5.5
40
V
IVIN
VIN Input Supply Current
Not switching, VIN = 24V, VFB = 0.7V
0.7
2
mA
IVIN
VIN Input Supply Current (XR76203-Q)
f=300kHz, RON=215k, VFB=0.58V
12
mA
IVIN
VIN Input Supply Current (XR76205-Q)
f=300kHz, RON=215k, VFB=0.58V
15
mA
IVIN
VIN Input Supply Current (XR76208-Q)
f=300kHz, RON=215k, VFB=0.58V
19
mA
IOFF
Shutdown Current
Enable = 0V, VIN = 12V
1
μA
Enable and Under-Voltage Lock-Out UVLO
VIH_EN_1
EN Pin Rising Threshold
1.8
1.9
2.0
V
VEN_H_1
EN Pin Hysteresis
70
mV
VIH_EN_2
EN Pin Rising Threshold for DCM/CCM
operation
2.8
3.0
3.1
V
VEN_H_2
EN Pin Hysteresis
100
mV


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