SC4524ASETRT Semtech, SC4524ASETRT Datasheet - Page 3
SC4524ASETRT
Manufacturer Part Number
SC4524ASETRT
Description
IC STEP-DWN SW REG 2A 28V 8-SOIC
Manufacturer
Semtech
Type
Step-Down (Buck)r
Datasheet
1.SC4524ASETRT.pdf
(19 pages)
Specifications of SC4524ASETRT
Internal Switch(s)
Yes
Synchronous Rectifier
No
Number Of Outputs
1
Current - Output
2A
Frequency - Switching
300kHz ~ 1.3MHz
Voltage - Input
3 ~ 28 V
Operating Temperature
-40°C ~ 105°C
Mounting Type
Surface Mount
Package / Case
8-SOIC
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
Voltage - Output
-
Power - Output
-
Other names
SC4524ASETR
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
SC4524ASETRT
Manufacturer:
ATMEL
Quantity:
6 700
Company:
Part Number:
SC4524ASETRT
Manufacturer:
Semtech
Quantity:
37 170
Part Number:
SC4524ASETRT
Manufacturer:
SEMTECH/美国升特
Quantity:
20 000
Absolute Maximum Ratings
Exceeding the above specifications may result in permanent damage to the device or device malfunction. Operation outside of the parameters specified in the
Electrical Characteristics section is not recommended.
NOTES-
()
(2)
Electrical Characteristics
Unless otherwise noted, V
V
BST Voltage ……………………………………………… 42V
BST Voltage above SW …………………………………… 36V
SS Voltage ……………………………………………-0.3 to 3V
FB Voltage …………………………………………… -0.3 to V
SW Voltage ………………………………………… -0.6 to V
SW Transient Spikes (0ns Duration)……… -2.5V to V
Peak IR Reflow Temperature ………………………….
ESD Protection Level
Parameter
Input Supply
Input Voltage Range
V
V
V
V
Error Amplifier
Feedback Voltage
Feedback Voltage Line Regulation
FB Pin Input Bias Current
Error Amplifier Transconductance
Error Amplifier Open-loop Gain
COMP Pin to Switch Current Gain
COMP Maximum Voltage
COMP Source Current
COMP Sink Current
Internal Power Switch
Switch Current Limit
Switch Saturation Voltage
IN
IN
IN
IN
IN
Start Voltage
Start Hysteresis
Quiescent Current
Quiescent Current in Shutdown
Calculated from package in still air, mounted to 3” x 4.5”, 4 layer FR4 PCB with thermal vias under the exposed pad per JESD5 standards.
Tested according to JEDEC standard JESD22-A4-B.
Supply Voltage ……………………………… -0.3 to 32V
(2)
IN
………………………………… 2000V
= 2V, V
BST
= 5V, V
SS
= 2.2V, -40°C < T
IN
V
V
V
+.5V
COMP
260°C
FB
FB
V
J
V
< 25°C, R
FB
= 0.8V, V
= .2V, V
SS/EN
V
= 0 (Not Switching)
= V, V
Conditions
IN
IN
IN
V
I
V
SW
= 3V to 28V
(Note )
= 0, V
FB
IN
= -2.6A
= 0.9V
Rising
COMP
Thermal Information
Recommended Operating Conditions
COMP
COMP
OSC
IN
Junction to Ambient
Junction to Case
Maximum Junction Temperature……………………… 50°C
Storage Temperature ………………………… -65 to +50°C
Lead Temperature (Soldering) 0 sec ………………… 300°C
Input Voltage Range ……………………………… 3V to 28V
Maximum Output Current ……………………………… 2A
Operating Ambient Temperature …………… -40 to +05°C
Operating Junction Temperature …………… -40 to +25°C
= 2V
= 0.8V
= 2.kΩ.
= 0.8V
= 0.8V
()
…………………………………
()
0.980
……………………………… 36°C/W
Min
2.70
2.6
3
.000
0.005
-70
Typ
2.82
225
280
250
2.4
3.3
40
60
7
25
2
8
.020
Max
-340
2.95
SC4524A
2.6
4.3
400
28
50
5.5°C/W
Units
%/V
µ
A/V
mA
mV
mV
µA
nA
dB
µA
V
V
V
Ω
V
A
-
3