MAX1640EEE Maxim Integrated Products, MAX1640EEE Datasheet - Page 3

• Manufacturer Part Number: MAX1640EEE
• Description: Current Mode PWM Controllers Adj-Out Switch Mode Current Source
• Manufacturer: Maxim Integrated Products

Specifications of MAX1640EEE

• Number Of Outputs: 1
• Duty Cycle (max): 100 %
• Output Voltage: 2 V to 24 V
• Mounting Style: SMD/SMT
• Package / Case: QSOP-16
• Switching Frequency: 500 KHz
• Maximum Operating Temperature: + 85 C
• Minimum Operating Temperature: - 40 C
• Synchronous Pin: No
• Topology: Buck
• Case: ssop
• Dc: 99+

ELECTRICAL CHARACTERISTICS
(V
ELECTRICAL CHARACTERISTICS (continued)
(V
Note 2: This ratio is generated by a 1:8 clock divider and is not an error source for current calculations.
PWM Maximum Duty Cycle
Input Low Voltage
Input High Voltage
Input Leakage Current
Input Voltage Range
Linear-Regulator Output
Voltage, V
Linear-Regulator Output
Voltage, Ground Referenced
Full-Scale Current-Sense
Threshold
Quarter-Scale Current-Sense
Threshold
Output Current Compliance
Quiescent V
Output Current in Off Mode
V
Reference Voltage
Reference Load Regulation
V
FET Drive Output Resistance
Off-Time Range
Off-Time Accuracy
Pulse-Trickle Mode Duty-Cycle
Period
PWM Maximum Duty Cycle
Input Low Voltage
Input High Voltage
Input Leakage Current
IN
IN
LDOL
SET
= +12V, V
= +12V, V
Input Current
Undervoltage Lockout
PARAMETER
PARAMETER
IN
Current Source with Synchronous Rectifier
IN
OUT
Referenced
OUT
Supply Current
= 6V, Circuit of Figure 1, T
= 6V, Circuit of Figure 1, T
_______________________________________________________________________________________
SYMBOL
SYMBOL
V
V
V
V
V
LDOH
LDOL
I
V
V
V
I
IN
REF
IH
IL
IN
IN
IH
IL
Adjustable-Output, Switch-Mode
A
A
= -40°C to +85°C, unless otherwise noted.)
= 0°C to +85°C, unless otherwise noted. Typical values are at T
D0, D1
D0, D1
D0, D1
V
I
V
I
MAX1640
MAX1641
MAX1640
MAX1641
V
D0 or D1 = high
D0 = D1 = low
I
R
D0 = low, D1 = high, R
D0, D1
D0, D1
D0, D1
LOAD
LOAD
REF
IN
IN
OUT
TOFF
= 5.5V to 26V,
= 5.5V to 26V,
= 0 to 50µA
= 2V to 24V (MAX1640)
= 0 to 20mA
= 0 to 20mA
= 62kΩ
CONDITIONS
CONDITIONS
TOFF
= 50kΩ
MIN
100
V
1.94
2.4
MIN
141
146
100
5.5
5.5
4.5
4.0
1.5
1.5
2.4
34
33
25
IN
-
TYP
TYP
A
= +25°C.)
MAX
MAX
V
2.06
0.8
159
154
±
4.5
5.5
0.4
4.4
2.5
0.8
26
48
42
10
12
42
±
IN
4
1
1
8
1
1
-
UNITS
UNITS
%/V
µA
mA
mV
mV
mV
ms
%
µA
µA
µA
µs
µs
V
V
%
Ω
V
V
V
V
V
V
V
3