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APW7098 Datasheet(PDF) 5 Page - Anpec Electronics Coropration

Part No. APW7098
Description  Two- Phase Buck PWM Controller with Integrated MOSFET Drivers
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Maker  ANPEC [Anpec Electronics Coropration]
Homepage  http://www.anpec.com.tw
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APW7098 Datasheet(HTML) 5 Page - Anpec Electronics Coropration

 
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Copyright
© ANPEC Electronics Corp.
Rev. A.7 - Oct., 2011
APW7098
www.anpec.com.tw
5
Electrical Characteristics (Cont.)
APW7098
Symbol
Parameter
Test Conditions
Min.
Typ.
Max.
Unit
ERROR AMPLIFIER
DC Gain
RL = 10k
Ω to the ground
-
85
-
dB
Gain-Bandwidth Product
CL = 100pF, RL = 10k
Ω to the ground
-
20
-
MHz
Slew Rate
CL = 100pF, IO = ±
400
µA
-
8
-
V/
µs
Upper Clamp Voltage
IO = 1mA
2.7
3.0
-
V
Lower Clamp Voltage
IO = -1mA
-
-
0.1
V
COMP Pull-Low Resistance
In fault or shutdown condition
-
2
-
k
OSCILLATOR
RT = GND
135
150
165
RT = Floating
270
300
330
FOSC
Oscillator Frequency
RT = 5VCC
360
400
440
kHz
∆V
OSC1/2
Oscillator Sawtooth Amplitude
-
1.5
-
V
IRT
RT Input Current
RT = GND/5VCC(5V)
-100
-
+100
µA
RT 5VCC Level
For FOSC =150kHz
V5VCC-0.5
-
-
V
RT Floating Voltage
For FOSC =300kHz
1.2
3.6
V5VCC-1.2
V
RT GND Level
For FOSC =400kHz
-
-
0.3
V
Maximum Duty Cycle
85
88
-
%
MOSFET GATE DRIVERS
UGATE1/2 Source Current
VBOOT = 12V, VUGATE-VPHASE = 2V
-
2.6
-
A
UGATE1/2 Sink Current
VBOOT = 12V, VUGATE-VPHASE = 2V
-
1
-
A
LGATE1/2 Source Current
VCC = 12V, VLGATE = 2V
-
2.6
-
A
LGATE1/2 Sink Current
VCC =12V, VLGATE = 2V
-
1.4
-
A
UGATE1/2 Source Resistance
VBOOT = 12V, 100mA Source Current
-
2.5
3.75
UGATE1/2 Sink Resistance
VBOOT = 12V, 100mA Sink Current
-
2
3
LGATE1/2 Source Resistance
VCC = 12V, 100mA Source Current
-
2
3
LGATE1/2 Sink Resistance
VCC = 12V, 100mA Sink Current
-
1.4
2.1
TD
Dead-Time
-
30
-
ns
CURRENT SENSE AND DROOP FUNCTION
ICSP
CSP1/2 Pin Input Current
-100
-
+100
nA
Sourcing current
80
-
-
ICSN
CSN1/2 Maximum Output Current
R CSN1/2 = 2k
Ω,
Sinking current
15
-
-
µA
Current Sense Amplifier Bandwidth
-
3
-
MHz
DROOP Output Current Accuracy
RDROOP = 2k
Ω, V
DROOP =0.005V
-
50
-
µA
DROOP Accuracy
∆V
FB = VDROOP/20, VDROOP = 1V
-5
-
+5
mV
Current Difference Between
Channel1/2 and Average Current
-10
-
+10
%
Refer to the typical application circuits. These specifications apply over V
IN=12V, VOUT=1.2V and TA= -20 ~ 70°C, unless otherwise
specified. Typical values are at T
A=25°C. The V5VCC is supplied by the internal regulator.


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