SC424 SEMTECH [Semtech Corporation], SC424 Datasheet - Page 4

• Manufacturer Part Number: SC424
• Description: 6A Integrated FET Regulator with 5V LDO
• Manufacturer: SEMTECH [Semtech Corporation]

Absolute Maximum Ratings
LX to PGND (V). . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +30
LX to PGND (V) (transient — 100ns max.) . . . . . . -2 to +30
VIN to PGND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +30
EN/PSV, PGOOD, ILIM, to GND (V) . . . . . . -0.3 to +(V5V + 0.3)
VOUT, VLDO, FB, to GND (V) . . . . . . . . . . . -0.3 to +(V5V + 0.3)
V5V to PGND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6
TON to PGND (V) . . . . . . . . . . . . . . . . . . . . . -0.3 to +(V5V - 1.5)
ENL (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to V
BST to LX (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +6.0
BST to PGND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +35
AGND to PGND (V) . . . . . . . . . . . . . . . . . . . . . . . . . -0.3 to +0.3
ESD Protection Level
Exceeding the above specifi cations may result in permanent damage to the device or device malfunction. Operation outside of the parameters
specifi ed in the Electrical Characteristics section is not recommended.
NOTES:
(1) Tested according to JEDEC standard JESD22-A114.
(2) Calculated from package in still air, mounted to 3 x 4.5 (in), 4 layer FR4 PCB with thermal vias under the exposed pad per JESD51 standards.
Unless specifi ed: V
Electrical Characteristics
Parameter
Input Supplies
VIN UVLO Threshold
(not available for V5V < 4.5V)
VIN UVLO Hysteresis
V5V UVLO Threshold
V5V UVLO Hysteresis
VIN Supply Current
IN
=12V, T
(1)
(1)
A
(kV) . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
= +25°C for Typical, -40 to +85 °C for Min. and Max., T
Standby mode; ENL=V5V, EN/PSV = 0V
Measured at V5V pin, falling edge
Measured at V5V pin, rising edge
Sensed at ENL pin, falling edge
Sensed at ENL pin, rising edge
ENL, EN/PSV = 0V, V
IN
EN/PSV = High
Conditions
Recommended Operating Conditions
Input Voltage (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0 to 28
V5V to PGND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3.0 to 5.5
VOUT to PGND (V) . . . . . . . . . . . . . . . . . . . . . . . . . . 0.75 to 5.5
Thermal Information
Storage Temperature (°C) . . . . . . . . . . . . . . . . . . . . -60 to +150
Maximum Junction Temperature (°C) . . . . . . . . . . . . . . . . 150
Operating Junction Temperature (°C) . . . . . . . .-40 to +125
Thermal resistance, junction to ambient
Peak IR Refl ow Temperature (°C) . . . . . . . . . . . . . . . . . . . . 260
High-side MOSFET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Low-side MOSFET . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 42
PWM controller and LDO thermal resistance . . . . . 40
J
< 125°C, V5V = +5V, Typical Application Circuit
IN
= 28V
2.235
Min
2.40
2.50
2.40
SC414/SC424
Typ
2.60
2.40
130
0.2
2.9
2.7
0.2
8.5
(2)
(°C/W)
2.565
Max
2.95
2.90
3.0
20
Units
μA
V
V
V
V
4