SC410 SEMTECH [Semtech Corporation], SC410 Datasheet - Page 5

• Manufacturer Part Number: SC410
• Description: 3A EcoSpeed TM Step-Down Regulator with LDO and Ultrasonic Power Save
• Manufacturer: SEMTECH [Semtech Corporation]

Electrical Characteristics (continued)
Note:
(1) Typical value from EVB, not ATE tested.
(2) The minimum inductor valley current limit of 2.4V gives an average output current limit of 3A assuming 1.2A inductor ripple current.
Parameter
Gate Drivers
BST Switch On resistance
Internal Power MOSFETs
Current Limit
LX Leakage Current
Switch Resistance
Non-overlap time
Linear Regulator (The LDO is shorted to the bias node, internally)
LDO Accuracy
LDO Current Limit
LDO Drop Out Voltage
(2)
(1)
Operating current limit, V
Short circuit protection, V
Inductor Valley Current Limit, VLDO=5V
From V
VIN=24V, LX=0V, High Side
IN
fi nal V
fi nal V
Conditions
to V
High Side
Low Side
LDO
LDO
LDO
, I
value
value
IN
IN
LDO
= 12V, V
= 12V, V
= 100mA
LDO
LDO
> 80% of
<80% of
Min
2.4
-4
Typ
215
110
100
3.2
1.2
25
15
35
1
Max
10
4
SC410
Units
%V
mA
mΩ
μA
ns
Ω
A
V
LDO
5