Pam2804, Recommended operating conditions, Thermal information – Diodes PAM2804 User Manual
Page 3: Electrical characteristics
PAM2804
Document number: DSxxxxx Rev. 2 - 0
3 of 10
January 2013
© Diodes Incorporated
PAM2804
A Product Line of
Diodes Incorporated
Recommended Operating Conditions
(@T
A
= +25°C, unless otherwise specified.)
Parameter Rating
Unit
Supply Voltage
2.5 to 6.0
°C
Operation Temperature Range
-40 to +85
Junction Temperature Range
-40 to +125
Thermal Information
Parameter Symbol
Package
Max
Unit
Thermal Resistance (Junction to Case)
θ
JC
TSOT25 (Note 1)
130
°C/W
Thermal Resistance (Junction to Ambient)
θ
JA
TSOT25 250
Internal Power Dissipation
P
D
TSOT25 400 mW
Note:
1. The maximum output current for TSOT25 package is limited by internal power dissipation capacity as described in Application Information herein after.
Electrical Characteristics
(@T
A
= +25°C, V
IN
= 4.2V, Real WLED load, L = 4.7µH, C
IN
= 10µF, C
O
= 10µF, unless otherwise specified.)
Parameter Symbol Test
Conditions
Min
Typ
Max
Units
Input Voltage Range
V
IN
2.5 6.0 V
Regulated Feedback Voltage
V
FB
0.095
0.100
0.105
V
Peak Inductor Current
I
PK
V
IN
= 5V
1.5 A
Quiescent Current
I
Q
No Load
180 µA
Shutdown Current
I
SD
V
EN
= 0V
1
µA
Oscillator Frequency
f
OSC
V
O
= 100%
1.2 1.5 1.8 MHz
Drain-Source On-State Resistance
R
DS(ON)
I
DS
= 100mA
P MOSFET
0.30
0.45
Ω
N MOSFET
0.35
0.50
Ω
SW Leakage Current
I
LSW
±0.01
1
µA
High Efficiency
η
93
%
EN Threshold High
V
EH
1.5
V
EN Threshold Low
V
EL
0.3
V
EN Leakage Current
I
EN
±0.01 µA
Over Temperature Protection
OTP
150
°C
OTP
Hysteresis
OTH
30 °C