XR76203-Q/XR76205-Q/XR76208-Q

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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.

BST-SW.........................................................................-0.3V to 6V

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)...............................

ESD Rating (Charged device model (CDM) per AEC Q100-011,

Non-corner pins...................................................................

ESD Rating (Charged device model (CDM) per AEC Q100-011,

Corner pins 1, 7, 8, 14, 15, 22, 23, 30..................................

Operating Conditions

Junction Temperature Range................................-40°C to +125°C

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

Symbol

Parameter

Conditions

Min

Typ

Max

Units

Power Supply Characteristics

Input Voltage Range

VCC regulating

●

5.5

40

V

VIN Input Supply Current

●

0.7

2

mA

VIN Input Supply Current (XR76203-Q)

12

mA

VIN Input Supply Current (XR76205-Q)

15

mA

VIN Input Supply Current (XR76208-Q)

19

mA

Shutdown Current

1

μA

Enable and Under-Voltage Lock-Out UVLO

EN Pin Rising Threshold

●

1.8

1.9

2.0

V

EN Pin Hysteresis

70

mV

EN Pin Rising Threshold for DCM/CCM

operation

●

2.8

3.0

3.1

V

EN Pin Hysteresis

100

mV