XR79106 Datasheet, PDF (4/19 Pages) Exar Corporation – 22V, 6A Synchronous Step-Down

XR79106
Electrical Characteristics (Continued)
T_J = 25°C, V_IN = 12V, BST = V_CC, SW = AGND = PGND = 0V, C_VCC = 4.7μF, unless otherwise specified. Limits applying
over the full operating temperature range are denoted by a •.
Symbol Parameter
Protection: OCP, OTP, Short-Circuit
Hiccup timeout
I_LIM/R_DS
I_LIM current temperature
coefficient
I_LIM comparator offset
Current limit blanking
Thermal shutdown threshold
Thermal hysteresis
Feedback pin short-circuit
threshold
Output Power Stage
R_DSON
High-side MOSFET
Low-side MOSFET
I_OUT
L
Maximum output current
Output inductance
C_IN
C_BST
Input capacitance
Bootstrap capacitance
Conditions
GL rising >1V
Rising temperature
Percent of V_REF, short circuit is active.
After PGOOD is asserted
I_DS = 2A
• Min
Typ
Max Units
110
ms
5.8
6.3
6.7
µA/mΩ
0.4
%/°C
•
-8
0
8
mV
100
ns
150
°C
15
°C
•
50
60
70
%
22
28
mΩ
8
10
mΩ
•
6
A
0.8
1
1.2
μH
1
μF
0.1
μF
REV1B
4/19