MAX5070/MAX5071
High-Performance, Single-Ended, Current-Mode
PWM Controllers
6 _______________________________________________________________________________________
ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +15V, R
T
= 10kΩ, C
T
= 3.3nF, V
VREF
= OPEN, C
VREF
= 0.1µF, COMP = OPEN, V
FB
= 2V, CS = GND, T
A
= -40°C to +125°C,
unless otherwise noted.) (Note 1)
PARAMETER SYMBOL CONDITIONS
MIN TYP MAX
SYNC Leakage Current I
SYNC
V
SYNC
= 0V
0.01
0.1 µA
ADV_CLK (MAX5071C only)
ADV_CLK High Voltage
V
ADV_CLKH
I
ADV_CLK
= 10mA source 2.4 3 V
ADV_CLK Low Voltage
V
ADV_CLKL
I
ADV_CLK
= 10mA sink 0.4 V
ADV_CLK Output Pulse Width t
PULSE
85 ns
ADV_CLK Rising Edge to OUT
Rising Edge
t
ADV_CLK
110
ns
ADV_CLK Source and Sink
Current
I
ADV_CLK
10 mA
Note 1: All devices are 100% tested at +25°C. All limits over temperature are guaranteed by design, not production tested.
Note 2: Guaranteed by design, not production tested.
Note 3: Parameter measured at trip point of latch with V
FB
= 0V (MAX5070A/MAX5070B only).
Note 4: Gain is defined as A = ∆V
COMP
/∆V
CS
, 0 ≤ V
CS
≤ 0.8V.
Note 5: Output Frequency equals oscillator frequency for MAX5070A/MAX5071A. Output frequency is one-half oscillator frequency
for MAX5070B/MAX5071B/MAX5071C.
BOOTSTRAP UVLO vs. TEMPERATURE
MAX5070 toc01
TEMPERATURE (°C)
V
CC
(V)
1109565 80-10 5 20 35 50-25
6
7
8
9
10
11
12
13
14
15
16
17
5
-40 125
HYSTERESIS
V
CC
FALLING
V
CC
RISING
STARTUP CURRENT vs. TEMPERATURE
MAX5070 toc02
TEMPERATURE (°C)
STARTUP CURRENT (µA)
1109565 80-10 5 20 35 50-25
29
30
31
32
33
34
35
36
37
38
39
40
28
-40 125
2.0
2.5
5.5
3.5
3.0
4.0
4.5
5.0
6.0
-40 -10 5 20-25 35 50 9580 11065 125
OPERATING SUPPLY CURRENT (I
CC
)
vs. TEMPERATURE AFTER STARTUP
(f
OSC
= f
SW
= 250kHz)
MAX5070 toc03
TEMPERATURE (
°
C)
SUPPLY CURRENT (mA)
C
T
= 100pF
Typical Operating Characteristics
(V
CC
= 15V, T
A
= +25°C, unless otherwise noted.)
