APW7158 Datasheet, PDF (3/24 Pages) Anpec Electronics Coropration – Dual Synchronous Buck PWM Controllers

APW7158
Recommended Operating Conditions (Note 4)
Symbol
Parameter
VCC12
VCC12 Supply Voltage
VCC
VCC Supply Voltage
VIN
Converter Input Voltage
VOUT
Converter Output Voltage
IOUT
Converter Output Current
TA
Ambient Temperature Range
TJ
Junction Temperature Range
Note 4: Refer to the typical application circuit
Range
Unit
10.8 to 13.2
V
4.5 to 5.5
V
2.2 to 13.2
V
0.6 to 5
V
0 to 20
A
-20 to 70
o_C
-20 to 125
o_C
Electrical Characteristics
Operating Conditions: VCC = 5V, VCC12 = 12V, TA = -20 to 70°C. Typical values are at TA =25°C. Unless Otherwise Specified.
Symbol
Parameter
Test Conditions
APW7158
Unit
Min. Typ. Max.
INPUT SUPPLY POWER
IVCC VCC Input Supply Current
OUT1 and OUT2 disabled
UGATEs, LGATEs CL = 1nF, 300kHz
-
4
-
mA
-
7
-
mA
IVCC12 VCC12 Input Supply Current
OUT1 and OUT2 disabled
UGATEs, LGATEs CL = 1nF, 300kHz
-
6
-
mA
-
50
-
mA
Shunt Regulator Output Voltage
20mA current; Equivalent to 300Ω resistor
from VCC to VCC12
5.6
5.8
6.0
V
Maximum Shunt Regulator Current
-
-
60
mA
VCC Rising
4.15 4.23 4.4
V
VCC Falling
Power-On-Reset Threshold Voltage
VCC12 Rising
3.9
4.0 4.15
V
7.55 7.8
8
V
VCC12 Falling
7.1
7.3 7.55
V
SYSTEM ACCURACY
OUT1 Reference Voltage
OUT1 System Accuracy
OSCILLATOR
-
0.6
-
V
-0.8
-
0.8
%
Oscillator Accuracy
FS Oscillator Frequency
Oscillator Adjustment Range
Oscillator Sawtooth Amplitude
Oscillator Duty-Cycle Range
ERROR AMPLIFIER (OUT1 AND OUT2)
-20
-
20
%
FS pin is open
240
300
360
kHz
FS pin: resistor to GND; resistor to VCC12 70
-
800
kHz
-
2.1
-
V
0
-
85
%
Open-Loop Gain
Open-Loop Bandwidth
Slew Rate
ERROR AMPLIFIER Offset Voltage
RL = 10kΩ to ground
CL = 100pF, RL = 10kΩ to ground
CL = 100pF, RL = 10kΩ to ground
COMP1/2 to FB1/2; compare to internal
VREF/REFIN
-
85
-
dB
-
15
-
MHz
-
4
-
V/µ S
-
2
-
mV
Copyright © ANPEC Electronics Corp.
3
Rev. A.2 - Aug., 2009
www.anpec.com.tw