ST890BDR STMicroelectronics, ST890BDR Datasheet - Page 4

• Manufacturer Part Number: ST890BDR
• Description: IC PWR SWITCH MOSFET P-CH 8-SOIC
• Manufacturer: STMicroelectronics
• Type: High Sider

Specifications of ST890BDR

• Input Type: Non-Inverting
• Number Of Outputs: 1
• On-state Resistance: 75 mOhm
• Current - Output / Channel: 1.2A
• Current - Peak Output: 1.5A
• Voltage - Supply: 2.7 V ~ 5.5 V
• Operating Temperature: 0°C ~ 70°C
• Mounting Type: Surface Mount
• Package / Case: 8-SOIC (3.9mm Width)
• Switch Type: High Side
• Power Switch Family: ST890
• Input Voltage: 2.7 to 5.5V
• Power Switch On Resistance: 90mOhm
• Output Current: 1.2A
• Mounting: Surface Mount
• Package Type: SO
• Operating Temperature (min): -40C
• Operating Temperature (max): 85C
• Operating Temperature Classification: Industrial
• Pin Count: 8
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6333-2; ST890BDR

Device summary
4/20
Figure 2.
Table 3.
Pin N.
1, 2
6,7
3
4
5
8
DFN8L (3 x 3 mm) pin connection (top view)
DFN8L (3 x 3 mm) pin description
Symbol
FAULT
GND
OUT
SET
ON
IN
GND
ON
IN
IN
1
2
3
4
Input P-channel MOSFET source. Bypass IN with a 1 μF
capacitor to ground
Active low switch ON input. A logic low turns the switch ON
Ground
Set current limit input. A resistor from SET to GND sets the
current limit for the switch.
Switch output. P-channel MOSFET drain. Bypass OUT with
a 0.1 μF capacitor to ground.
R
limit in Amperes
Fault indicator output. This open drain output goes low
when in current limit or when the die temperature exceeds
135 °C
SET
= 1.24x1110/I
8
7
6
5
FAULT
OUT
OUT
SET
Name and function
LIM
, where I
LIM
is the desired current
ST890
CS00025