SM6702 Datasheet, PDF (4/10 Pages) Nippon Precision Circuits Inc – PFM Step-up DC/DC Converter

SM6702 series
SPECIFICATIONS
Absolute Maximum Ratings
T_a = 25 °C
Parameter
LX impressed voltage
OUT impressed voltage
LX output current
Power dissipation
Operating temperature
Storage temperature
Symbol
V _LX
V_OUT
I_{L X}
P_D
T_opr
T _stg
Condition
S M 6 7 0 2 −××H A
S M 6 7 0 2 −××H B
Rating
Unit
5
V
4
V
200
mA
150
mW
500
− 20 to 70
°C
− 40 to 125
°C
Electrical Characteristics
L = 330 µH, C = 22 µF, T_a = 25 °C, V_SS = 0 V
Parameter
Symbol
Condition
Start-up voltage
Holding voltage
Current consumption
Output voltage
LX output current
LX leakage current
Maximum oscillator frequency
Switch ON duty cycle
Input voltage range
V _target : Setting output voltage
V _st
V _hold
I_{S S}
V_OUT
I_{L X}
I_{L X L}
f_{O S C}
Duty
V _IN
R_L = 30 kΩ
R _L = 3 kΩ
V _IN = 1.5 V, R_L = 30 kΩ
V _IN = 1.5 V, R_L = 3 kΩ
V_OUT = V _target − 0.1,
V_LX = 0.4 V
V_OUT = V_LX = 3.5 V
V_OUT = V_target − 0.1
V_OUT = V_target − 0.1
2.2 ≤ V _target ≤ 2.7
2.8 ≤ V _target ≤ 3.3
Rating
Unit
min
typ
max
–
–
0.9
V
–
–
0.7
V
–
8
16
µA
V _target ×
0.975
V _target
V _target ×
1.025
V
60
–
80
–
–
mA
–
–
–
1
µA
80
100
120
kHz
65
75
85
%
–
–
V _target +
0.2
V
NIPPON PRECISION CIRCUITS—4