MAX5068AAUE+ Maxim Integrated Products, MAX5068AAUE+ Datasheet - Page 3

• Manufacturer Part Number: MAX5068AAUE+
• Description: IC CNTRLR PWM CRNT MD 16TSSOP
• Manufacturer: Maxim Integrated Products

Specifications of MAX5068AAUE+

• Pwm Type: Current Mode
• Number Of Outputs: 1
• Frequency - Max: 1.25MHz
• Duty Cycle: 50%
• Voltage - Supply: 10.8 V ~ 24 V
• Buck: No
• Boost: No
• Flyback: Yes
• Inverting: No
• Doubler: No
• Divider: No
• Cuk: No
• Isolated: Yes
• Operating Temperature: -40°C ~ 125°C
• Package / Case: 16-TSSOP Exposed Pad, 16-eTSSOP, 16-HTSSOP
• Frequency-max: 1.25MHz
• Duty Cycle (max): 50 %
• Output Current: 1000 mA
• Mounting Style: SMD/SMT
• Switching Frequency: 25 KHz to 1250 KHz
• Maximum Operating Temperature: + 125 C
• Minimum Operating Temperature: - 40 C
• Synchronous Pin: Yes
• Topology: Flyback, Forward
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

ELECTRICAL CHARACTERISTICS (continued)
(V
C
CS Input Bias Current
CS Blanking Time
Propagation Delay from
Comparator Input to NDRV
IN CLAMP VOLTAGE
IN Clamp Voltage
ERROR AMPLIFIER (FB, COMP)
Voltage Gain
Unity-Gain Bandwidth
Phase Margin
FB Input Offset Voltage
COMP Clamp Voltage
Error-Amplifier Output Current
Reference Voltage
Input Bias Current
COMP Short-Circuit Current
THERMAL SHUTDOWN
Thermal-Shutdown Temperature
Thermal Hysteresis
OSCILLATOR SYNC INPUT (MAX5068A/B/C/E Only)
SYNC High-Level Voltage
SYNC Low-Level Voltage
SYNC Input Bias Current
Maximum SYNC Frequency
SYNC High-Level Pulse Width
SYNC Low-Level Pulse Width
DIGITAL SOFT-START
Soft-Start Duration
Reference-Voltage Step
Reference-Voltage Steps During
Soft-Start
OSCILLATOR
Internal Oscillator Frequency
Range
VCC
IN
High-Frequency, Current-Mode PWM Controller
= +12V for the MAX5068B/E/F; V
= 1µF; R
PARAMETER
RT
= 100kΩ; NDRV = floating; T
_______________________________________________________________________________________
with Accurate Programmable Oscillator
V
t
I
SYMBOL
CS_BLANK
V
t
V
COMP_SC
t
IN_CLAMP
I
SYNC_LO
V
SYNC_HI
IN
V
B_SYNC
IH_SYNC
I
IL_SYNC
T
V
f
I
I
COMP
V
OS_FB
f
COMP
SYNC
B_CS
B_EA
T
BW
HYST
OSC
PM
STEP
t
A
REF
SS
= +23.6V for the MAX5068A/C/D at startup, then reduces to +12V; C
SD
V
A
= T
V
50mV overdrive
V
R
R
C
R
C
High
Low
Sinking or sourcing
+25°C ≤ T
-40°C ≤ T
f
(Note 5)
f
MIN
OSC
OSC
CS
IN
COMP
COMP
COMP
LOAD
LOAD
sinking 2mA (Note 2)
to T
= 0V
= 2.5MHz (Note 4)
= (10
= 100pF to AGND
= 100pF to AGND
= 100kΩ to AGND
= 100kΩ to AGND,
= 100kΩ to AGND,
MAX
A
A
11
≤ +125°C
, unless otherwise noted. Typical values are at T
≤ +125°C (Note 3)
/ R
RT
CONDITIONS
)
1.215
1.205
3.125
24.0
MIN
2.6
0.4
0.5
2.4
30
30
50
0
1.230
1.230
+170
2047
A
TYP
26.0
+25
100
127
9.7
70
40
80
65
12
10
5
= +25°C.) (Note 1)
IN
= C
1.245
1.242
MAX
2500
29.0
300
3.8
1.1
0.4
+2
3
REG5
degrees
= 0.1µF;
UNITS
cycles
steps
MHz
MHz
kHz
mV
mA
mA
mV
µA
dB
nA
nA
ns
ns
°C
°C
ns
ns
V
V
V
V
V
3