參數(shù)資料
型號: HT82P604B
廠商: Holtek Semiconductor Inc.
元件分類: DC/DC變換器
英文描述: DC-DC Converter
中文描述: DC - DC轉(zhuǎn)換
文件頁數(shù): 4/7頁
文件大小: 91K
代理商: HT82P604B
Electrical Characteristics
Symbol
Parameter
Test Conditions
Min.
Typ. Max. Unit
V
CC
Conditions
V
CC
Supply Current
I
CC
Nominal Supply
12V Ugate and Lgate Open
5
mA
Power-On Reset
Rising V
CC
Threshold
12V V
OCSET
=4.5V
10.4
V
Falling V
CC
Threshold
12V V
OCSET
=4.5V
8.2
V
Rising V
OCSET
Threshold
12V
1.26
V
Oscillator
Free Running Frequency
12V RT=Open
185
200
215
kHz
Total Variation
12V 6k <RTtoGND<200k
15
+15
%
V
OSC
Ramp Amplitude
12V RT=Open
1.9
V
P-P
Reference and DAC
DACOUT Voltage Accuracy 12V
1.0
+1.0
%
ERROR Amplifier
DC Gain
12V
88
dB
GBW
Gain-Bandwidth Product
12V
15
MHz
SR
Slew Rate
12V COMP=10pF
6
V/ s
Gate Drivers
I
UGATE
Upper Gate Source
12V
V
BOOT
V
PHASE
=12V,
V
UGATE
=6V
350
500
mA
R
UGATE
Upper Gate Sink
12V I
LGATE
=0.3A
5.5
10
I
LGATE
Lower Gate Source
12V V
CC
=12V, V
LGATE
=6V
300
450
mA
R
LGATE
Lower Gate Sink
12V I
LGATE
=0.3V
3.5
6.5
Protection
Over-Voltage Trip
(V
SEN
/DACOUT)
12V
115
120
%
I
OCSET
OCSET Current Source
12V V
OCSET
=4.5V
DC
170
200
230
A
I
OVP
OVP Sourcing Current
12V V
SEN
=5.5, V
OVP
=0V
60
mA
I
SS
Soft Start Current
12V
10
A
Power Good
Upper Threshold
(V
SEN
/DACOUT)
12V V
SEN
Rising
106
111
%
HT82P604B
4
March 22, 2000
Preliminary
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