XC9519 TOREX [Torex Semiconductor], XC9519 Datasheet - Page 8

• Manufacturer Part Number: XC9519
• Description: Dual Output Step-Up/Inverting DC/DC Converter
• Manufacturer: TOREX [Torex Semiconductor]

■ELECTRICAL CHARACTERISTICS (Continued)
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Maximum Current Limit
C
Output Voltage Range
PFM Switching Current
NOTE:
(*1) If the applied voltage and its pin name are not stated, those pins are left open for measurement.
(*2) Input voltage or positive output voltage range should be V
(*3) Maximum current limit denotes the level of detection at peak of coil current.
Oscillation Frequency
Maximum Duty Cycle
Output Voltage Accuracy
L
●XC9519 Series, Inverting DC/DC Converter
Reference Voltage
Reference Voltage
Threshold Voltage
LXN SW “L” Leak
Discharge Resistance
XC9519
LXN SW “L” ON
Short Protection
Protection Limit
Characteristics
Soft-Start Time
PARAMETER
Over Voltage
FBN Voltage
Temperature
Resistance
Current
(*3)
(V
Series
SYMBOL
REF
V
V
R
V
D
OUTNSET
V
R
I
f
I
V
V
SHORTN
I
LEAKL
・ Topr)
OUTNA
OSCN
PFMN
t
DCHGN
V
LIMN
MAXN
SSN
OVPN
LXNL
FBN
REF
REF
/
(0V→3.6V)
becomes 200μs or less while V
V
V
V
V
V
V
V
V
V
V
V
-40
V
Time to start L
V
The voltage which the integral latch time
V
V
V
The voltage which L
The voltage which L
V
IN
FBN
IN
OUTNA
IN
IN
IN
IN
IN
IN
FBN
IN
IN
IN
IN
OUTN
FBN
= V
= V
= V
= V
= V
= 3.6V, V
= V
= 6.0V, V
= V
= V
= V
= V
o
C≦Topr≦85
= 0.1V
is decreasing.
is increasing.
= -4.0V
ENN
ENN
ENN
ENN
ENN
ENN
ENN
ENN
ENN
ENN
=V
REF
= 3.6V, V
= 3.6V, V
= 3.6V, V
= 3.6V, V
= 3.6V, V
= 3.6V, V
= V
= 3.6V, V
= 5.5V, V
= 5.5V, V
ENP
ENP
-V
MODE
XN
CONDITIONS
FBN
= V
=V
oscillation from the rise of V
o
= 3.6V, V
C
ENN
MODE
ENP
ENP
ENP
ENP
ENP
ENP
ENP
ENP
ENP
XN
XN
IN
= V
- V
= V
= V
= V
= V
= V
= V
= V
starts oscillation while
= V
= V
stops oscillation while
= 0V, V
OUTNSET
MODE
MODE
MODE
MODE
MODE
MODE
MODE
MODE
MODE
MODE
ENP
(*1)
= 0V
= 0V
= 0V, V
= 0V, V
= 0V, V
= 0V, I
= 0V, V
= 0V, V
= 0V
= 0V
= 0V
FBN
FBN
+ V
= 0.05V
FN
is increasing.
LXN
≦20V (V
FBN
FBN
FBN
FBN
GAINN
= 100mA
= 0.1V
= 0.1V
= 0.1V
= 0.1V
= 3.6V
ENP
FN
.
: Forward voltage of external schottky barrier diode) .
-15.0
0.970
0.985
MIN.
1020
2000
-0.10
V
220
-26
0.8
0.3
84
50
FBN
-
-
-
(*2)
-0.07
TYP.
1.000
1.000
1200
±100
0.22
0.01
V
350
200
2.2
0.5
90
FBN
0
-
-
MAX.
1.030
1.015
-0.03
1380
4000
0.48
V
-4.0
550
500
1.0
4.0
0.7
26
97
FBN
-
ppm /
UNITS
kHz
μA
mV
mA
mA
ms
%
Ω
Ω
V
V
V
V
V
o
C
Ta=25℃
CIRCUIT
③
①
③
⑧
③
④
⑥
⑤
③
⑤
③
②
-
-
-