ST890CDR STMicroelectronics, ST890CDR Datasheet - Page 3

• Manufacturer Part Number: ST890CDR
• Description: IC PWR SWITCH MOSFET P-CH 8-SOIC
• Manufacturer: STMicroelectronics
• Type: High Sider

Specifications of ST890CDR

• 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)
• On Resistance (max): 0.09 Ohms
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Mounting Style: SMD/SMT
• Off Time (max): 10 us
• On Time (max): 50 us
• Supply Current: 1.2 A
• Supply Voltage (max): 6 V
• Supply Voltage (min): 0.5 V
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-6543-2; ST890CDR

ST890
1
Device summary
Figure 1.
Table 2.
Pin N.
1, 2
6,7
3
4
5
8
SO-8 pin connection (top view)
SO-8 pin description
GND
Symbol
FAULT
ON
GND
OUT
SET
ON
IN
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. R
I
Switch output. P-channel MOSFET drain. Bypass OUT with
a 0.1 μF capacitor to ground
Fault indicator output. This open drain output goes low
when in current limit or when the die temperature exceeds
135°C
LIM
is the desired current limit in Amperes
Name and function
8
7
6
5
FAULT
OUT
OUT
SET
SET
= 1.24x1110/ I
Device summary
LIM
CS07570
, where
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