DS3882E+C Maxim Integrated Products, DS3882E+C Datasheet - Page 19

• Manufacturer Part Number: DS3882E+C
• Description: IC CCFL CNTRLR DUAL 28TSSOP
• Manufacturer: Maxim Integrated Products
• Type: CCFL Controllerr

Specifications of DS3882E+C

• Frequency: 40 ~ 100 kHz
• Current - Supply: 12mA
• Voltage - Supply: 4.75 V ~ 5.25 V
• Operating Temperature: -40°C ~ 105°C
• Package / Case: 28-TSSOP
• Maximum Operating Temperature: + 105 C
• Mounting Style: SMD/SMT
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Current - Output: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant
• Other names: Q3390330

Table 2. Status Register 1 (SR1) [SRAM, E0h]
Note 1: Writing to this register has no effect on it.
Note 2: See Figure 8 for more details on how the status bits are set.
Note 3: SR1 is cleared when any of the following occurs:
BIT
0
1
2
3
4
5
6
7
R/W
R
R
R
R
R
R
R
R
• V
• the SVML or SVMH thresholds are crossed
• the PDN hardware pin goes high
• the PDNE software bit is written to a logic 1
• the channel is disabled by the CH1D control bit
CC
POWER-UP
DEFAULT
Dual-Channel Automotive CCFL Controller
drops below the UVLO threshold
0
0
0
0
0
0
0
0
FAULT_RT
SVMH_RT
SVML_RT
FAULT_L
LOUT_L
LOC_L
NAME
STO_L
OV_L
____________________________________________________________________
Fault Condition—Real Time. A real-time bit that indicates the current operating status of
channel 1.
0 = Normal condition
1 = Fault condition
Fault Condition—Latched. A latched bit that is set when the channel enters a fault
condition. This bit is cleared when read, regardless of the current state of fault.
Lamp Strike Timeout—Latched. A latched bit that is set when the lamp fails to strike.
This bit is cleared when read.
Overvoltage—Latched. A latched bit that is set when a lamp overvoltage is present for
at least 64 lamp cycles. This bit is cleared when read.
Lamp Out—Latched. A latched bit that is set when a lamp out is detected. This bit is
cleared when read.
Lamp Overcurrent—Latched. A latched bit that is set when a lamp overcurrent is
detected. This bit is cleared when read.
Supply Voltage Monitor Low—Real Time. A real-time bit that reports the comparator
output of the SVML pin.
Supply Voltage Monitor High—Real Time. A real-time bit that reports the comparator
output of the SVMH pin.
FUNCTION
19