ISL1904FAZ-T7A Intersil, ISL1904FAZ-T7A Datasheet - Page 12

• Manufacturer Part Number: ISL1904FAZ-T7A
• Description: LED Lighting Drivers Dimmable Buck LED Driver IC
• Manufacturer: Intersil

Specifications of ISL1904FAZ-T7A

• Rohs: yes
• Input Voltage: 9 V to 20 V
• Operating Frequency: 1 MHz
• Maximum Supply Current: 7.8 mA
• Maximum Operating Temperature: + 125 C
• Mounting Style: SMD/SMT
• Package / Case: QSOP-16

Electrical Specifications
ISL1904” on page 2 and “Typical Application schematics” beginning on page 3. V
+125°C, Typical values are at T
NOTES:
Test Waveforms and Circuits
Unbiased Output Voltage Clamp
Frequency
Maximum Duty Cycle
Minimum On-Time
OVP
THERMAL PROTECTION
Thermal Shutdown
Hysteresis
7. Parameters with MIN and/or MAX limits are 100% tested at +25°C, unless otherwise specified. Temperature limits established by characterization
8. Limits established by characterization and are not production tested.
OVP Threshold
OVP Hysteresis
Input Bias Current
OVP Clamp Voltage
and are not production tested.
8V
FIGURE 2. RISE/FALL TIME TEST CIRCUIT
1
2
3
4
5
6
7
8
PARAMETER
VDD
OFFREF PWMOUT
VREF
IOUT
CS+
OC
FB
DELADJ
ISL1904
54k
5k
RAMP
VERR
GND
OUT
DHC
OVP
AC
A
12
16
15
14
13
12
11
10
9
= +25°C; Boldface limits apply over the operating temperature range, -40°C to +125°C.
0 TO 1V 120Hz
470pF
Recommended operating conditions unless otherwise noted. Refer to “Functional Block Diagram -
1nF
VDD = 6V, I
REFIN = 0.5V
REFIN = 0V
I
(Note 8)
(Note 8)
OVP
= 1mA
ISL1904
TEST CONDITIONS
LOAD
= 3mA
DD
PWMOUT
OUT
OR
= 17V, R
(Note 7)
RAMP
1.46
FIGURE 3. RISE/FALL TIMES
MIN
291
150
-1.0
5.4
10
-
-
-
-
= 54kΩ, C
t
R
1.50
320
160
TYP
20
25
-
-
-
-
-
RAMP
= 470pF, T
(Note 7)
MAX
1.54
349
100
170
1.9
0.5
1.0
7.0
27
(Continued)
-
September 20, 2012
A
t
F
= -40°C to
10%
90%
UNITS
FN8286.1
Hz
µA
µA
°C
°C
µs
%
V
V
V