APW7088 Просмотр технического описания (PDF) - Anpec Electronics
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APW7088 Datasheet PDF : 25 Pages
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APW7088
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.
Symbol
Parameter
Test Conditions
APW7088
Unit
Min.
Typ.
Max.
MOSFET GATE DRIVERS
UGATE1/2 Source Current
UGATE1/2 Sink Current
LGATE1/2 Source Current
LGATE1/2 Sink Current
UGATE1/2 Source Resistance
VBOOT = 12V, VUGATE-VPHASE = 2V
-
VBOOT = 12V, VUGATE-VPHASE = 2V
-
VCC = 12V, VLGATE = 2V
-
VCC =12V, VLGATE = 2V
-
VBOOT = 12V, 100mA Source Current
-
2.6
-
A
1
-
A
2.6
-
A
1.4
-
A
2.5
3.75
Ω
UGATE1/2 Sink Resistance
VBOOT = 12V, 100mA Sink Current
-
2
3
Ω
LGATE1/2 Source Resistance
VCC = 12V, 100mA Source Current
-
2
3
Ω
LGATE1/2 Sink Resistance
VCC = 12V, 100mA Sink Current
-
1.4
2.1
Ω
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 = 2kΩ,
Sinking current
15
-
-
µA
-
Current Sense Amplifier Bandwidth
-
3
-
MHz
DROOP Output Current Accuracy
DROOP Accuracy
Current Difference Between
Channel1/2 and Average Current
RDROOP = 2kΩ, VDROOP =0.005V
∆VFB = VDROOP/20, VDROOP=1V
-
50
-
µA
-5
-
+5
mV
-10
-
+10
%
SOFT-START AND ENABLE
ISS
Soft-Start Current Source
Soft-Start Complete Threshold
Flowing out of SS pin
8
10
12
µA
-
3.2
-
V
SS Pull-low Resistance
-
10
18
kΩ
POWER OK AND PROTECTIONS
Over-Current Trip Level
ICS1 + ICS2
110
120
140
µA
VUV FB Under-Voltage Threshold
VPOK_L
VOV,
VPOK_H
TOTR
POK Lower Threshold
FB Over-Voltage Threshold
and POK Upper Threshold
FB Over-Voltage Hysteresis
Over-Temperature Trip Level
Over-Temperature Hysteresis
~ 2µs noise filter, VFB falling,
40
50
60
%
Percentage of VR at Error Amplifier
-
87.5
-
%
~ 2µs noise filter, VFB rising
115
125
135
%
Percentage of VR at Error Amplifier
-
60
80
mV
TJ rising
-
150
-
oC
-
50
-
oC
Copyright © ANPEC Electronics Corp.
5
Rev. A.4 - Feb., 2009
www.anpec.com.tw
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