AP34063
UNIVERSAL DC/DC CONVERTER
AP34063 Rev. 5 5 of 11 JULY 2009
DS31004 www.diodes.com © Diodes Incorporated
Maximum Ratings
Symbol Parameter Value Unit
V
CC
Power Supply Voltage 40 V
V
IR
Comparator Input Volta
e Ran
e -0.3 ~ +40 V
V
C
switch
Switch Collector Voltage 40 V
V
E
switch
Switch Emitter Voltage (V
Pin
1 = 40V) 40 V
V
CE
switch
Switch Collector to Emitter Volta
e40 V
V
C
driver
Driver Collector Voltage 40 V
I
C
driver
Driver Collector Current 100 mA
I
SW
Switch Current 1.6 A
P
D
Power Dissipation and Thermal
Characteristics
SOP: T
A
= 25°C
600 mW
PDIP: T
A
= 25°C
1.25 W
θ
JA
Thermal Resistance 160
°C/W
T
MJ
Maximum Junction Temperature +150
°C
T
OP
Operating Junction Temperature Range
0 ~ +105
°C
T
stg
Storage Temperature Range -65 ~ +150
°C
Notes: 4. Maximum package power dissipation limits must be observed.
5. Low duty cycle pulse techniques are used during test to maintain junction temperature as close to ambient temperature as possible.
Electrical Characteristics (V
CC
= 5.0V, unless otherwise specified)
Symbol Characteristics Min Typ. Max Unit
OSCILLATOR
f
osc
Frequency (V
Pin
5 = 0V, C
T
= 1.0nF, T
A
= 25°C)
24 33 42 kHz
I
chg
Charge Current (V
CC
= 5.0V to 40V, T
A
= 25°C)
24 30 42
µA
I
dischg
Discharge Current (V
CC
= 5.0V to 40V, T
A
= 25°C)
140 200 260
µA
I
dischg
/ I
chg
Discharge to Charge Current Ratio (Pin 7 to V
CC
, T
A
= 25°C)
5.2 6.5 7.5 -
V
ipk (sense)
Current Limit Sense Voltage (I
ch
= I
disch
, T
A
= 25°C)
300 400 450 mV
OUTPUT SWITCH (Note 3)
V
CE (sat)
Saturation Voltage, Darlington Connection
(I
SW
= 1.0A, Pins 1,8 connected)
- 1.0 1.3 V
V
CE (sat)
Saturation Voltage, Darlington Connection
(I
SW
= 1.0A, ID = 50mA, Forced ß ≈ 20)
- 0.45 0.7 V
h
FE
DC Current Gain (I
SW
= 1.0A, V
CE
= 5.0V, T
A
= 25°C)
50 75 - -
I
C (off)
Collector Off-State Current (V
CE
= 40V) - 0.01 100
µA
COMPARATOR
V
th
Threshold Voltage
T
A
= 25°C
T
A
= 0
o
C ~ 70
o
C
- - - V
- 1.225 1.25 1.275 -
- 1.21 - 1.29 -
Reg
line
Threshold Voltage Line Regulation (V
CC
= 3.0V to 40V) - 1.4 6.0 mV
TOTAL DEVICE
I
CC
Supply Current (V
CC
= 5.0V to 40V, C
T
=1.0nF, Pin 7 = V
CC
, V
Pin
5
> V
th
Pin 2 = Gnd, remaining pins open)
- - 3.5 mA
