Datasheet

UC2901-EP
www.ti.com SLUS709A –DECEMBER 2006–REVISED MARCH 2010
DISSIPATION RATING TABLE - FREE-AIR TEMPERATURE
PACKAGE AIR FLOW T
A
≤25°C POWER DERATING FACTOR T
A
= 70°C POWER T
A
= 85°C POWER T
A
=125°C POWER
(CFM) RATING ABOVE T
A
= 25°C RATING RATING RATING
D 0 1000 mW 8 mW/°C 630 mW 510 mW 180 mW
Electrical Characteristics
over recommended operating free-air temperature range (unless otherwise noted)
PARAMETER TEST CONDITIONS MIN TYP MAX UNIT
Reference Section
T
A
= 25°C 1.485 1.5 1.515
Output voltage V
T
MIN
≤ T
A
≤ T
MAX
1.470 1.5 1.530
Line regulation V
IN
= 4.5 to 35 V 2 10 mV
Load regulation I
OUT
= 0 to 5 mA 4 10 mV
Short-circuit current T
A
= 25°C –35 –55 mA
Error Amplifier Section (To Compensation Terminal)
Input offset voltage V
CM
= 1.5 V 1 4 mV
Input bias current V
CM
= 1.5 V –1 –3 mA
Input offset current V
CM
= 1.5 V 0.1 1 mA
Small-signal open-loop gain 40 60 dB
CMRR V
CM
= 0.5 V to 7.5 V 60 80 dB
PSRR V
IN
= 5 V to 25 V 80 100 dB
Output swing, ΔV
O
0.4 0.7 V
Maximum sink current 90 150 mA
Maximum source current –2 –3 mA
Gain bandwidth product 1 MHz
Slew rate 0.3 V/ms
Modulators/Drivers Section (From Compensation Terminal)
Voltage gain 11 12 13 dB
Output swing ±1.6 ±2.8 V
Driver sink current 500 700 mA
Driver source current –15 –35 mA
Gain bandwidth product 25 MHz
Oscillator Section
T
A
= 25°C 140 150 160 kHz
Initial accuracy
T
MIN
≤ T
A
≤ T
MAX
130 170 kHz
Line sensitivity V
IN
= 5 V to 35 V 0.15 0.35 %/V
Maximum frequency R
T
= 10 K, C
T
= 10 pF 5 MHz
External clock low threshold Pin 1 (C
T
) = V
IN
0.5 V
External clock high threshold Pin 1 (C
T
) = V
IN
1.6 V
Status Indicator Section
Input voltage window At E/A inputs, V
CM
= 1.5 V ±135 ±150 ±165 mV
Saturation voltage E/A Δinput = 0 V, I
SINK
= 1.6 mA 0.45 V
Maximum output current Pin 13 = 3 V, E/A Δ input = 0 V 8 15 mA
Leakage current Pin 13 = 40 V, E/A Δ input = 0.2 V 0.05 1 mA
Supply current V
IN
= 35 V 5 8 mA
UVLO Section
Drivers-enabled threshold At input supply V
IN
3.9 4.5 V
Status output-enabled threshold At input supply V
IN
3.9 4.5 V
Change in reference output When VIN reaches UVLO threshold –2 –30 mV
Copyright © 2006–2010, Texas Instruments Incorporated Submit Documentation Feedback 3
Product Folder Link(s): UC2901-EP