HN9261/A
Electrical Characteristics (TA = 25ć, For HN9261A application with external input transistor)
Parameter
Output Voltage Accuracy
Input Voltage
Symbol
¨VOUT
VIN
VST
Test Conditions
Min
-2
Typ
Max Units
+2
7,0
1,0
ꢀ
V
V
Start-up Voltage
IOUT = 1mA; VIN: 0 ė 2V
0.85
30
HN9261A-15(1)
HN9261A-25(2)
HN9261A-33(2)
HN9261A-50(3)
50
IIN1
To be measured at VIN at no load
Input Current 1
Input Current 2
μA
60
6
90
10
To be measured at VOUT in switch
off condition
IIN2
μA
HN9261A-15
-1.5
-2
EXT "H" Ouput
Current
HN9261A-25
HN9261A-33
HN9261A-50
HN9261A-15
IEXT-H
VEXT = VOUT - 0.4 V
mA
1.5
EXT "L" Ouput
Current
HN9261A-25
HN9261A-33
HN9261A-50
IEXT-L
VEXT = 0.4 V
mA
2
EN High level voltage
EN Low level voltage
VEN-H
VEN-L
IEN-H
IEN-L
FMAX
DOSC
VIN = VOUT x 0.9
VIN = VOUT x 0.9
EN = VOUT
0.4xVOUT
V
V
μA
μA
KHz
ꢀ
0.2
0.5
EN High Level Input Current
EN Low Level Input Current
Maximum Oscillator Frequency
Oscillator Duty Cycle
-
EN = 0 V
-0.5
80
65
120
75
160
85
On (VLX "L") Side
HN9261A-15(1)
HN9261A-25(2)
HN9261A-33(2)
HN9261A-50(3)
75
Efficiency
Ș
ꢀ
V
85
0.8
VLX Voltage Limit
VLX
LX switch on
0.65
1.0
Note:
(1) Unless otherwise provided, VIN=1.4V, IOUT=10mA, and External Circuit of Typical Application
(2) Unless otherwise provided, VIN=1.8V, IOUT=10mA, and External Circuit of Typical Application
(3) Unless otherwise provided, VIN=3.0V, IOUT=10mA, and External Circuit of Typical Application
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ADD.: RM. 4004, BLOCK B, NEW WORLD CENTRE, NO. 88 ZHUJIANG ROAD, NANJING 210008, CHINA
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WEB-SITE: WWW.HN-ELEC.COM
5
HN [ NANJING HONANO ELECTRONIC CO., LTD. ]
