XR76201 Datasheet, PDF (4/16 Pages) Exar Corporation – 40V PowerBloxTM 1.5A Synchronous Step-Down COT Regulator

XR76201
Electrical Characteristics (Continued)
Unless otherwise noted: T_J = 25°C, V_IN = 24V, BST = V_CC, SW = AGND = PGND = 0V, C_VCC = 4.7µF. Limits applying over
the full operating temperature range are denoted by a •.
Symbol
Parameter
Conditions
• Min
Typ
Max
Units
Protection: OCP, OTP, Short-Circuit
Hiccup timeout
110
ms
I_LIM pin source current
I_LIM current temperature coefficient
OCP comparator offset
45
50
55
µA
0.4
%/°C
•
-8
0
8
mV
Current limit blanking
GL rising > 1V
100
ns
Thermal shutdown threshold⁽¹⁾
Rising temperature
150
°C
Thermal hysteresis⁽¹⁾
15
°C
VSCTH feedback pin short-circuit
threshold
Percent of V_REF, short-circuit is active
after PGOOD is asserted
•
50
60
70
%
Output Power Stage
R_DSON
High-side MOSFET R_DSON
Low-side MOSFET R_DSON
I_DS = 1A
115
160
mΩ
40
59
mΩ
I_OUT
Maximum output current
Maximum ambient temperature at
continuous load
•
1.5A
V_IN = 24V, V_OUT = 5V, I_OUT = 1.5A,
f = 700kHz
V_IN = 12V, V_OUT = 5V, I_OUT = 1.5A,
f = 600kHz
A
100
°C
110
°C
NOTE:
1. Guaranteed by design.
REV1A
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