SM8131B Datasheet, PDF (3/21 Pages) Nippon Precision Circuits Inc – The SM8131B is a charge pump DC/DC converter that switches between 1 and 1.5 automatically.

SM8131B
SPECIFICATIONS
Absolute Maximum Ratings
Parameter
Symbol
Rating
Unit
VIN voltage range
Input voltage range
Output voltage range
Power dissipation
Operating temperature range
V _IN
−0.3 to 6.5
V
V_EN, V_SEL
V_GND – 0.3 to V_IN + 0.3
V
V_{DIN1 to 6}
V_GND – 0.3 to V_IN + 0.3
V
V_OUT
P_D
6.5
V
1429 (Ta = 25°C)^*1
mW
Ta
–30 to 85
°C
Storage temperature range
T _stg
−55 to 125
°C
*1.When mounted on a 34 × 40 × 1.6mm glass epoxy board, the power dissipation is related to the operating temperature by
the following equation.
I Maximum junction temperature: T_MAX = 125°C
I Operating temperature: Ta [°C]
I Thermal resistance: θ_J = 70°C/W
P_D =
(TMAX − Ta)
θ_J
1600
1429
1200
800
400
1143
857
571
0
25 35 45 55 65 75 85
Operating temperature [°C]
NIPPON PRECISION CIRCUITS INC.—3