TABLE: COMPONENTS USED IN EXAMPLE CIRCUIT
Component · Manufacturer
· Part Number
· Description
Package Power dissipation Allowable power dissipation at 85°C
R1 Kamaya Inc.
RMC18-9R1JB
9.1-Ω ±5% resistor
1206 250 mW
derate 4.55 mW/°C above 70°C
181.75 mW
R2, R3 Kamaya Inc.
RMC18-18RJB
18-Ω ±5% resistor
1206 250 mW
derate 4.55 mW/°C above 70°C
181.75 mW
Q1 Central Semiconductor Corp.
CMPT2222A
NPN transistor
SOT23-3 350 mW
derate 2.8 mW/°C above 25°C
182 mW
U1 Maxim Integrated Products
MAX1735EUK25
200-mA negative LDO
SOT23-5 571 mW
derate 7.1 mW/°C above 70°C
464.5 mW