ST1S12G12R STMicroelectronics, ST1S12G12R Datasheet - Page 14

• Manufacturer Part Number: ST1S12G12R
• Description: IC DC-DC CONN STDN 1.2V TSOT23-5
• Manufacturer: STMicroelectronics
• Type: Step-Down (Buck)r

Specifications of ST1S12G12R

• Internal Switch(s): Yes
• Synchronous Rectifier: Yes
• Number Of Outputs: 1
• Voltage - Output: 1.2V
• Current - Output: 700mA
• Frequency - Switching: 1.7MHz
• Voltage - Input: 2.5 ~ 5.5 V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: TSOT-23-5, TSOT-5, TSOP-5
• Output Voltage: 1.2 V
• Output Current: 0.7 A
• Input Voltage: 2.5 V to 5.5 V
• Switching Frequency: 1.7 MHz
• Operating Temperature Range: - 40 C to + 125 C
• Mounting Style: SMD/SMT
• Duty Cycle (max): 100 %
• For Use With: 497-8220 - BOARD EVAL BASED ON ST1S12497-8219 - BOARD EVAL BASED ON ST1S12
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Power - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: 497-6905-2; ST1S12G12R

Typical performance characteristics
14/20
Figure 22. Line transient
V
Figure 24. Start-up transient
V
IN
IN
= V
10µF, V
= V
10µF, V
EN
EN
from 4.5 V to 5.5 V, I
from 0 V to 6 V, I
OUT
OUT
= 1.8 V
= 1.8 V
OUT
OUT
= 350 mA, C
= 350 mA, C
IN
= C
IN
= C
OUT
Doc ID 14314 Rev 3
OUT
=
V
V
V
V
IN
OUT
OUT
IN
=
Figure 23. Load transient
V
Figure 25. Enable transient
V
IN
IN
=3.6, V
= V
10µF, V
EN
= 3 V, I
EN
OUT
ST1S12XX, ST1S12XX12, ST1S12XX18
from 0 V to 2 V, I
= 1.8 V
OUT
= 100 mA to 700 mA, t
OUT
= 350 mA, C
R
= t
IN
F
= C
= 200 ns
V
I
OUT
OUT
OUT
V
V
EN
OUT
=