L4972A_05 STMICROELECTRONICS [STMicroelectronics], L4972A_05 Datasheet - Page 8
![no-image](/images/no-image-200.jpg)
L4972A_05
Manufacturer Part Number
L4972A_05
Description
2A SWITCHING REGULATOR
Manufacturer
STMICROELECTRONICS [STMicroelectronics]
Datasheet
1.L4972A_05.pdf
(22 pages)
- Current page: 8 of 22
- Download datasheet (2Mb)
L4972A
Table 5. Electrical Characteristcs (continued)
Refer to the test circuit, T
specified.
Figure 8.
TYPICAL PERFORMANCES (using evaluation board) :
n = 83% (V
V
Line regulation = 12mV (V
Load regulation = 7mV (I
for component values Refer to the fig. 8 (Part list).
Figure 9. Component Layout of fig. 8. Evaluation Board Available (only for DIP version)
8/22
Symbol
o RIPPLE
V
V
I
4R
4H
4
Rising Threshold Voltage
Hysteresis
Input Bias Current
= 30mV (at 1A)
i
= 35V ; V
Parameter
o
= V
o
J
i
= 25°C, V
= 0.5 to 2A)
REF
= 15 to 50V)
; I
o
= 2A ; f
i
= 35V, R4 = 30KΩ, C9 = 2.7nF, f
V
9
= V
sw
13
= 100KHz)
Test Condition
Min.
4.95
0.4
SW
= 100KHz typ, unless otherwise
Typ.
5.1
0.5
1
Max.
5.25
0.6
3
Unit
µA
V
V
Fig.
15
15
15
Related parts for L4972A_05
Image
Part Number
Description
Manufacturer
Datasheet
Request
R
![L4972A](/photos/6/89/68911/497-20-dip__300_mil__narrow_pdip_mdip__series_tmb.jpg)
Part Number:
Description:
IC REG SW 2A 5.1V-40V 20-DIP
Manufacturer:
STMicroelectronics
Datasheet:
![L4972](/images/manufacturer_photos/0/6/637/stmicroelectronics_tmb.jpg)
Part Number:
Description:
2A SWITCHINGREGULATOR
Manufacturer:
STMicroelectronics
Datasheet:
![HCF4040BF](/images/manufacturer_photos/0/6/637/stmicroelectronics_tmb.jpg)
Part Number:
Description:
STMicroelectronics [RIPPLE-CARRY BINARY COUNTER/DIVIDERS]
Manufacturer:
STMicroelectronics
Datasheet:
![HCF4054BF](/images/manufacturer_photos/0/6/637/stmicroelectronics_tmb.jpg)
Part Number:
Description:
STMicroelectronics [LIQUID-CRYSTAL DISPLAY DRIVERS]
Manufacturer:
STMicroelectronics
Datasheet:
![STEVAL-MKI062V2](/photos/28/39/283999/steval-mki062v2_tmb.jpg)
Part Number:
Description:
BOARD EVAL FOR MEMS SENSORS
Manufacturer:
STMicroelectronics
Datasheet:
![BUT32V](/images/manufacturer_photos/0/6/637/stmicroelectronics_tmb.jpg)
Part Number:
Description:
NPN TRANSISTOR POWER MODULE
Manufacturer:
STMicroelectronics
Datasheet:
![STTA12006TV2](/images/manufacturer_photos/0/6/637/stmicroelectronics_tmb.jpg)
Part Number:
Description:
TURBOSWITCH ULTRA-FAST HIGH VOLTAGE DIODE
Manufacturer:
STMicroelectronics
Datasheet:
![E110NS20FD](/images/manufacturer_photos/0/6/637/stmicroelectronics_tmb.jpg)
Part Number:
Description:
Manufacturer:
STMicroelectronics
Datasheet:
![MDS50-800](/images/manufacturer_photos/0/6/637/stmicroelectronics_tmb.jpg)
Part Number:
Description:
DIODE / SCR MODULE
Manufacturer:
STMicroelectronics
Datasheet:
![MDS35-800](/images/manufacturer_photos/0/6/637/stmicroelectronics_tmb.jpg)
Part Number:
Description:
DIODE / SCR MODULE
Manufacturer:
STMicroelectronics
Datasheet:
![E16N100](/images/manufacturer_photos/0/6/637/stmicroelectronics_tmb.jpg)
Part Number:
Description:
Search -----> STE16N100
Manufacturer:
STMicroelectronics
Datasheet:
![E53NA50](/images/manufacturer_photos/0/6/637/stmicroelectronics_tmb.jpg)
Part Number:
Description:
Search ---> STE53NA50
Manufacturer:
STMicroelectronics
Datasheet: