ACE701D
PFM STEP-UP DC/DC Converter with High Efficiency and Low Noise
Electrical Characteristics
Parameter
Symbol
Test Conditions
Min Typ Max Unit
2.45 2.5 2.55
2.646 2.7 2.754
2.94 3.0 3.06
3.234 3.3 3.366
V
Output Voltage
Vout
3.528 3.6 3.672
3.92 4.0 4.08
4.9
5.0
5.1
5.88 6.0 6.12
Vout
Input Voltage
Input Current
Start-up voltage
Vin
Lin
V
uA
V
Iout=0mA, Vin=Vout*0.6
12
0.8
0.7
15
Vstart
Vhold
Iout=1mA, Vin:02V
0.9
Hold-on voltage
Quiescent current drawn from
power source
Iout=1mA, Vin:20V
Without external components,
Vout=Vout x 1.05
0.6
V
IDD
4
7
uA
Switch ON Resistance
Rswon
ILXleak
VCEH
VCEL
0.5
0.5
Ω
uA
V
LX leakage current
CE “H” threshold voltage
CE “L” threshold voltage
Oscillator frequency
Oscillator duty cycle
Efficiency
Vout=Vlx=6V
VCE: 02V
5
0.8
70
VCE: 20V
0.3
80
V
FOSC
Maxdty
η
LX on “L” side Vout=Vout * 0.96
On (Vlx “L”) side
400
75
Khz
%
85
%
Note :
1. Diode: Schottky type, such as: 1N5817, 1N5819, 1N5822
2. Inductor: 27uH(R<0.5Ω)
3. Capacitor: 100uF (Tantalum type)
Typical Application Circuit
D 1N5819
Vin
Vout
L
27uH
LX
LX OUT
ACE701D
GND
Iout
Rload
Cin 47uF
Cout
100uF Tan
VER 1.3
4
ACE [ ACE TECHNOLOGY CO., LTD. ]
