參數(shù)資料
型號(hào)： MAX1692EUB
廠商： MAXIM INTEGRATED PRODUCTS INC
元件分類： 穩(wěn)壓器
英文描述： Low-Noise, 5.5V-Input, PWM Step-Down Regulator
中文描述： 1.6 A SWITCHING REGULATOR, 840 kHz SWITCHING FREQ-MAX, PDSO10
封裝： 1.11 MM HEIGHT, UMAX-10
文件頁數(shù)： 3/12頁
文件大小： 150K
代理商： MAX1692EUB
M
Low-Noise, 5.5V-Input,
PWM S tep-Down Regulator
_______________________________________________________________________________________
3
Note 1:
Guaranteed by minimum and maximum duty-factor tests.
Note 2:
The following equation can be used to calculate FB accuracy for output voltages other than 1.232V:
(see Feedback Voltage vs. Load Current)
V
FB
= V
FB (NOMINAL)
- (Line Reg) (V
OUT
/ V
IN
- 0.23) / 0.77 - (
Load Reg
)(I
OUT
+ 0.5
·
I
RIPPLE
) / I
MAX
where: Line Reg = the line regulation
Load Reg = the load regulation
I
RIPPLE
= (1- V
OUT
/ V
IN
)
·
V
OUT
/ (f
OSC
·
L) where L is the inductor value
I
MAX
= 250mA (LIM = GND) or 600mA (LIM = IN)
Note 3:
Specifications to -40°C are guaranteed by design, not production tested.
ELECTRICAL CHARACTERISTICS (continued)
(V
IN
= +3.6V, SYNC/PWM = GND, V
LIM
= 3.6V,
SHDN
= IN, circuit of Figure 2;
T
A
= 0°C to +85°C
, unless otherwise noted. Typical
values are at T
A
= +25°C.)
CONDITIONS
Reference Load Regulation
V
IN
rising, typical hysteresis is 85mV
UVLO
Undervoltage Lockout Threshold
SHDN
, SYNC/PWM, LIM
V
IH
Logic Input High
High or low
0
≤
I
REF
≤
50μA
SHDN
, SYNC/PWM, LIM
ns
500
SYNC/PWM Minimum Pulse Width
mV
V
V
3
15
2.5
μA
-1
0.1
1
Logic Input Current
UNITS
MIN
TYP
MAX
SYMBOL
PARAMETER
(Note 1)
FB = OUT, V
IN
= V
LIM
= 5.5V, I
OUT
= 0
(duty cycle = 23%) (Note 2)
V
FB
=1.4V
LIM = GND
FB = OUT, V
IN
= V
LIM
= 2.7V to 5.5V,
I
OUT
= 0
FB = OUT, V
IN
= 2.7V to 5.5V,
I
OUT
= 0 to 600mA, LIM = IN or
I
OUT
= 0 to 250mA, LIM = GND
SYNC/PWM = GND, LX = unconnected,
V
FB
= 1.4V
SHDN
= LX = GND, includes LX leakage current
LIM = IN
CONDITIONS
V
REF
V
IN
Output Adjustment Range
1.213
1.285
V
2.7
5.5
V
IN
Input Voltage Range
μA
140
Quiescent Current
V
1.213
1.285
V
FB
Feedback Voltage
nA
-50
0.3
50
0.9
I
FB
FB Input Current
P-Channel Current-Limit
Threshold
A
0.7
1.6
mA
N-Channel Current-Limit
Threshold
UNITS
MIN
MAX
SYMBOL
PARAMETER
ELECTRICAL CHARACTERISTICS
(V
IN
= +3.6V, SYNC/PWM = GND, V
LIM
= 3.6V,
SHDN
= IN, circuit of Figure 2,
T
A
= -40°C to +85°C
, unless otherwise noted.) (Note 3)
SYNC/PWM = IN, FB = REF
-15
110
μA
kHz
V
10
840
1.268
Shutdown Supply Current
Oscillator Frequency
Reference Output Voltage
Undervoltage Lockout
Threshold
Logic Input High
Logic Input Low
Logic Input Current
630
1.230
f
OSC
V
REF
I
REF
= 0
V
IN
rising, typical hysteresis is 85mV
V
2.3
2.5
UVLO
SHDN
, SYNC/PWM, LIM
SHDN
, SYNC/PWM, LIM
SHDN
, SYNC/PWM, LIM
V
V
2
V
IH
V
IL
0.4
1
μA
-1
SHDN
, SYNC/PWM, LIM
V
0.4
V
IL
Logic Input Low
2.3
2
2.4
V
1.185
1.285
V
OUT
Output Voltage
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1692EUB+ 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5.5V PWM Step-Down Regulator RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MAX1692EUB+T 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5.5V PWM Step-Down Regulator RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MAX1692EUB-T 功能描述:直流/直流開關(guān)調(diào)節(jié)器 5.5V PWM Step-Down Regulator RoHS:否 制造商:International Rectifier 最大輸入電壓:21 V 開關(guān)頻率:1.5 MHz 輸出電壓:0.5 V to 0.86 V 輸出電流:4 A 輸出端數(shù)量: 最大工作溫度: 安裝風(fēng)格:SMD/SMT 封裝 / 箱體:PQFN 4 x 5
MAX1692EVKIT 制造商:Maxim Integrated Products 功能描述:LOW-NOISE, 5.5V-INPUT, PWN STEP-DOWN REGULATO - Bulk
MAX16930ATLR/V+ 制造商:Maxim Integrated Products 功能描述:2MHZ, 36V, DUAL BUCK WITH PRE-BOOST AND 40A QUIESCENT CURREN - Rail/Tube
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