APW7098
Electrical Characteristics (Cont.)
Refer to the typical application circuits. These specifications apply over VIN=12V, VOUT=1.2V and TA= -20 ~ 70°C, unless otherwise
specified. Typical values are at TA=25°C. The V5VCC is supplied by the internal regulator.
APW7098
Symbol
Parameter
Test Conditions
Unit
Min.
Typ.
Max.
ERROR AMPLIFIER
DC Gain
-
85
20
8
-
dB
MHz
V/ms
V
RL = 10kW to the ground
CL = 100pF, RL = 10kW to the ground
CL = 100pF, IO = ±400mA
IO = 1mA
Gain-Bandwidth Product
Slew Rate
-
-
-
2.7
-
-
-
Upper Clamp Voltage
Lower Clamp Voltage
COMP Pull-Low Resistance
3.0
-
IO = -1mA
0.1
-
V
In fault or shutdown condition
-
2
kW
OSCILLATOR
RT = GND
135
150
300
400
1.5
-
165
FOSC
Oscillator Frequency
RT = Floating
RT = 5VCC
270
330
kHz
360
440
Oscillator Sawtooth Amplitude
RT Input Current
-
-
V
mA
V
DVOSC1/2
IRT
RT = GND/5VCC(5V)
For FOSC =150kHz
For FOSC =300kHz
For FOSC =400kHz
-100
+100
RT 5VCC Level
V5VCC-0.5
-
-
RT Floating Voltage
RT GND Level
1.2
-
3.6
-
V5VCC-1.2
V
0.3
-
V
Maximum Duty Cycle
85
88
%
MOSFET GATE DRIVERS
UGATE1/2 Source Current
VBOOT = 12V, VUGATE-VPHASE = 2V
VBOOT = 12V, VUGATE-VPHASE = 2V
VCC = 12V, VLGATE = 2V
-
-
-
-
-
-
-
-
-
2.6
1
-
A
A
UGATE1/2 Sink Current
LGATE1/2 Source Current
LGATE1/2 Sink Current
UGATE1/2 Source Resistance
UGATE1/2 Sink Resistance
LGATE1/2 Source Resistance
LGATE1/2 Sink Resistance
Dead-Time
-
2.6
1.4
2.5
2
-
-
A
VCC =12V, VLGATE = 2V
A
VBOOT = 12V, 100mA Source Current
VBOOT = 12V, 100mA Sink Current
VCC = 12V, 100mA Source Current
VCC = 12V, 100mA Sink Current
3.75
3
W
W
W
W
ns
2
3
1.4
30
2.1
-
TD
CURRENT SENSE AND DROOP FUNCTION
ICSP
CSP1/2 Pin Input Current
-100
80
15
-
-
-
+100
nA
Sourcing current
R CSN1/2 = 2kW,
-
-
ICSN
CSN1/2 Maximum Output Current
mA
Sinking current
-
Current Sense Amplifier Bandwidth
DROOP Output Current Accuracy
DROOP Accuracy
3
50
-
-
MHz
mA
-
-
RDROOP = 2kW, VDROOP =0.005V
DVFB = VDROOP/20, VDROOP = 1V
-5
+5
mV
Current Difference Between
Channel1/2 and Average Current
-10
-
+10
%
Copyright ã ANPEC Electronics Corp.
5
www.anpec.com.tw
Rev. A.6 - Oct., 2009
ANPEC [ ANPEC ELECTRONICS COROPRATION ]
