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MAX16904SATB52/V+T

P1-P3P4-P6P7-P9P10-P12P13-P14
MAX16904
2.1MHz, High-Voltage,
600mA Mini-Buck Converter
4
ELECTRICAL CHARACTERISTICS (continued)
(V
SUP
= +14V, T
A
= T
J
= -40°C to +125°C, unless otherwise noted. Typical values are at T
A
= +25°C, unless otherwise noted.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
SKIP-Mode Peak Current I
SKIP
350 mA
High-Side DMOS RDS
ON
R
ON,HS
V
BIAS
= 5V 400 800 m
Low-Side DMOS RDS
ON
R
ON,LS
250 450 m
DMOS Peak Current-Limit
Threshold
I
MAX
0.85 1.05 1.22 A
Soft-Start Ramp Time t
SS
7 8 9 ms
LX Rise Time t
RISE,LX
5 ns
Minimum On-Time t
ON
80 ns
PWM Switching Frequency f
SW
Internally generated 1.925 2.1 2.275 MHz
SYNC Input Frequency Range f
SYNC
1.8 2.6 MHz
Spread-Spectrum Range SS Spread-spectrum option only +6 %
PGOOD
V
THR,PGD
V
OUT
rising 93
PGOOD Threshold
V
THF,PGD
V
OUT
falling 88 91 94
%
PGOOD Debounce t
DEB
10 µs
PGOOD High Leakage Current I
LEAK,PGD
T
A
= +25°C 1 µA
PGOOD Output Low Level V
OUT,PGD
Sinking 1mA 0.4 V
LOGIC LEV EL S
V
IH,EN
2.4
EN Level
V
IL,EN
0.6
V
EN Input Current I
IN,EN
V
EN
= V
SUP
= +42V, T
A
= +25°C 1 µA
V
IH,SYNC
1.4
SYNC Switching Threshold
V
IL,SYNC
0.4
V
SYNC Internal Pulldown R
PD,SYNC
200 k
THERMAL PROTECTION
Thermal Shutdown T
SHDN
175 °C
Thermal Shutdown Hysteresis T
SHDN,HYS
15 °C
Note 2: When the typical minimum on-time of 80ns is violated, the device skips pulses.
Note 3: Guaranteed by design; not production tested.
MAX16904
2.1MHz, High-Voltage,
600mA Mini-Buck Converter
5
Typical Operating Characteristics
(V
SUP
= +14V, T
A
= +25°C, unless otherwise noted.)
EFFICIENCY vs. LOAD CURRENT
MAX16904 toc01
LOAD CURRENT (A)
EFFICIENCY (%)
0.50.40.30.20.1
10
20
30
40
50
60
70
80
90
100
0
0 0.6
5V, SKIP MODE
5V, FFF MODE
3.3V, FFF MODE
3.3V, SKIP MODE
NO-LOAD SUPPLY CURRENT
vs. INPUT VOLTAGE (SKIP MODE)
MAX16904 toc02
INPUT VOLTAGE (V)
SUPPLY CURRENT (µA)
2624222018161412108
10
20
30
40
50
60
0
628
5V PART
3.3V PART
LINE REGULATION
(I
LOAD
= 600mA)
MAX16904 toc03
INPUT VOLTAGE (V)
OUTPUT VOLTAGE CHANGE (%)
26248 10 12 16 18 2014 22
-3
-2
-1
0
1
2
3
4
-4
628
LOAD REGULATION
MAX16904 toc04
LOAD CURRENT (A)
OUTPUT-VOLTAGE CHANGE (%)
0.50.40.1 0.2 0.3
-3
-2
-1
0
1
2
3
4
-4
00.6
SKIP MODE
FFF MODE
SHUTDOWN SUPPLY CURRENT
vs. INPUT VOLTAGE
MAX16904 toc05
INPUT VOLTAGE (V)
SUPPLY CURRENT (µA)
2624222018161412108
3
6
9
12
15
0
628
STARTUP RESPONSE
(I
LOAD
= 600mA)
MAX16904 toc06
1ms/div
V
EN
5V/div
I
L
1A/div
V
OUT
5V/div
V
PGOOD
5V/div
SHUTDOWN WAVEFORM (I
LOAD
= 600mA)
MAX16904 toc07
I
INDUCTOR
0.5A/div
PGOOD
5V/div
V
OUT
5V/div
EN
5V/div
20µs/div
MAX16904
2.1MHz, High-Voltage,
600mA Mini-Buck Converter
6
LOAD TRANSIENT RESPONSE
(3.3V, FIXED MODE)
MAX16904 toc08
40µs/div
600mA
I
L
500mA/div
100mA
V
OUT
50mV/div
AC-COUPLED
5V
V
BIAS
5V/div
5V
V
PGOOD
5V/div
LOAD TRANSIENT RESPONSE
(3.3V, SKIP MODE)
MAX16904 toc09
40µs/div
600mA
I
L
500mA/div
100mA
V
OUT
50mV/div
AC-COUPLED
5V
V
BIAS
5V/div
5V
V
PGOOD
5V/div
LOAD TRANSIENT RESPONSE
(5V, FIXED MODE)
MAX16904 toc10
40µs/div
600mA
I
L
500mA/div
100mA
V
OUT
50mV/div
AC-COUPLED
5V
V
BIAS
5V/div
5V
V
PGOOD
5V/div
LOAD TRANSIENT RESPONSE
(5V, SKIP MODE)
MAX16904 toc11
40µs/div
600mA
I
L
500mA/div
100mA
V
OUT
50mV/div
AC-COUPLED
5V
V
BIAS
5V/div
5V
V
PGOOD
5V/div
UNDERVOLTAGE PULSE
(COLD CRANK)
MAX16904 toc12
10ms/div
V
SUP
10V/div
V
OUT
5V/div
I
LOAD
500mA/div
V
PGOOD
5V/div
STANDBY CURRENT
vs. LOAD CURRENT
MAX16904 toc13
I
LOAD
(mA)
I
IN
(µA)
0.1
50
100
150
200
250
300
350
400
450
500
0
0.01 1
Typical Operating Characteristics (continued)
(V
SUP
= +14V, T
A
= +25°C, unless otherwise noted.)
P1-P3P4-P6P7-P9P10-P12P13-P14

MAX16904SATB52/V+T

Mfr. #:
Buy MAX16904SATB52/V+T
Manufacturer:
Maxim Integrated
Description:
Switching Voltage Regulators 2.1MHz, High-Voltage, Mini-Buck Converter
Lifecycle:
New from this manufacturer.
Delivery:
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