GP3842 Datasheet, PDF (2/9 Pages) List of Unclassifed Manufacturers – HIGH PERFORMANCE CURRENT MODE CONTROLERS

ISSUED DATE :2003/05/20
REVISED DATE :2004/09/30B
Current sense and voltage feedback inputs
Vin
-0.3 to 5.5
V
Error Amplifier Output Sink Current
Io
10
mA
Power Dissipation at Thermal
characteristics
PD
702
P JA
178
mW
к/W
Storage Temperature Range
Tstg
-65 to 150
к
Operating Junction Temperature
TJ
+150
к
Operating ambient Temperature
TA
0~+70
к
Electrical Characteristics (0к TA 70к,Vcc=15V[note 2],RT=10k,CT=3.3Nf,unless otherwise specified)
Parameter
SYMBOL
Test Conditions
Min
Typ.
Max.
Reference Section
Output Voltage
Line Regulation
Load Regulation
Temperature. Stability
Total Output Variation
Output Noise Voltage
Long Term Stability
Output Short Circuit current
VREF
Regline
Regload
Ts
VREF
Vn
S
ISC
Tj=25к,Io=1mA
Vcc=12V to 25V
Io=1mA to 20mA
Line, Load, Temperature
F=10kHz to 10Hz,Tj=25к
TA=125к,1000Hrs
4.90
5
2.0
3.0
0.2
4.82
-
-
50
-
5
-30
-85
5.1
20
25
-
5.18
-
-
-180
Oscillator Section
Frequency
Tj=25к
49
52
55
TA=0к to 70к
48
56
Tj=25к(RT=6.2k,CT=1.0nF)
225
250
275
Frequency Change with Voltage
fosc/ V _{Vcc=12V to 25V}
0.2
1.0
Frequency Change with Temperature
fosc/ T _{TA = 0к to 70 к}
0.5
Oscillator Voltage Swing(Peak to Peak) ^VOSC
1.6
Discharge Current
Idischg
Tj=25к
TA = 0к to 70к
7.8
8.3
8.8
7.6
8.8
Error Amplifier Section
Voltage Feedback Input
VFB
Vo =2.5V
2.42
2.50
2.58
Input Bias Current
IIB
VFB=5.0V
-0.1
-2.0
Open Loop Voltage Gain
AVOL
Vo=2V to 4V
65
90
Unity Gain Bandwidth
BW
Tj=25к
0.7
1.0
Power Supply Rejection Ratio
PSRR
Vcc=12V to 25V
60
70
Output Sink Current
Isink
Vo=1.1V,VFB=2.7V
2.0
12
Output Source Current
Output Voltage Swing High State
Output Voltage Swing Low State
Isource
VoH
VOL
Vo=5.0V,VFB=2.3V
VFB=2.3V,RL=15K to GND
VFB=2.7V,RL=15K to Vref
-0.5
-1.0
5.0
6.2
0.8
1.1
Current Sense section
Current Sense Input Voltage gain
Av
(Note 3,4)
2.85
3.0
3.15
Maximum Current Sense Input Threshold ^Vth
(Note 3)
0.9
1.0
1.1
Power Supply Rejection Ratio
PSRR
VCC= 12 to 25V (Note 3)
70
Input Bias Current
IIB
-2
-10
Propagation Delay
Tplh(in/out) _{Current Sense Input to Output}
150
300
Output Low Voltage
VOL
Isink=20mA
Isink=200mA
0.1
0.4
1.6
2.2
Output High Level
Output Voltage with UVLO Activated
Output Voltage Rise Time
VOH
VOL
(UVLO)
tr
Isource=20mA
Isource=200mA
VCC=6.0V,Isink=1.0mA
Tj=25к,CL=1nF
13
13.5
12
13.4
0.1
1.1
50
150
Output Voltage Fall Time
tr
Tj=25к,CL=1nF
50
150
Unit
V
mV
mV
mV/к
V
V
mV
mA
KHz
%
%
V
mA
V
A
dB
MHz
dB
mA
mA
V
V
V/V
V
dB
A
ns
V
V
V
V
V
ns
ns
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