AMG-LM302 Datasheet, PDF (15/23 Pages) alpha microelectronics gmbh – Ballast Controller for Metal Halide Lamps

AMG-LM302
Ballast Controller for Metal Halide Lamps
# Symbol Parameter
89 VnBR_L Output low voltage
Conditions
InBR=2mA
SUBSECTION: Power scale
90 VRMp
Reference voltage for power scale
resistor
SUBSECTION: Adjustable voltage threshold
91 VRtd
92 VRtu
Upper reference voltage for
adjustable monitor resistor
Lower reference voltage for
adjustable monitor resistor
Min Typ Max Unit
1.5 V
2.5
V
2.5
V
2.5
V
8.3. AC Characteristics
AC characteristics contain the spread of values guarantee within the specified supply voltage
and temperature range and the technology process parameter range unless otherwise
specified.
RISET=500kΩ±0.5%; COP=180pF±0.5%; RPo=RPC=10kΩ±0.5%; RFc=RFB=10kΩ±0.5%; VEN=VS;
Vact=0V; RVOUTA=RVOUTB=RVOUTC=10kΩ±0.5%; Rtd=69.5kΩ; Rtu=250kΩ
Typical characteristics represent the medium of production at VS=27V; Ta=25°C
# Sym Parameter
bol
Conditions
Min Typ
Max Uni
t
1 tr_DRV PFC driver output rise time
2 tf_DRV PFC driver output fall time
3 FDRV PFC frequency range over one
mains period
CDRV=2.2nF
CDRV=2.2nF
20
50
50
20
ns
ns
120 kHz
4 FOSC Oscillator frequency
COP=100pF
240
kHz
5 tr_PWMo PWM output rise time
CPWMo=100pF
100
ns
6 tf_PWMo PWM output fall time
CPWMo=100pF
100
ns
7 tr_PWMp PWM power output rise time
CDRV=2.2nF
50
ns
8 tf_PWMp PWM power output fall time
CBR=100pFCDRV=2.2nF
50
ns
9 FPWMo PWM switch frequency
CBR=100pFCDRV=2.2nF
F_OSC
8
kHz
10 FBR_IG Ignition resonance frequency
N
CBR=100pFCDRV=2.2nF
F_OSC
2
kHz
11 tr_BR Bridge driver output rise time
CBR=100pFCDRV=2.2nF
100
ns
12 tf_BR Bridge driver output fall time
CBR=100pF
100
ns
13 FBR_A Bridge acoustic switch frequency
F_OSC
Hz
2¹¹
14 tIt_on Ignition burst enable time
s
AMG-LM302 Revision: A
29. Jul. 2010 © All rights reserved Page 15 of 23