参数资料
型号: MAX15034BAUI+T
厂商: Maxim Integrated Products
文件页数: 4/26页
文件大小: 0K
描述: IC REG CTRLR BUCK PWM 28TSSOP-EP
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
PWM 型: 电流模式
输出数: 1 或 2
频率 - 最大: 1MHz
电源电压: 4.75 V ~ 5.5 V,5 V ~ 28 V
降压:
升压:
回扫:
反相:
倍增器:
除法器:
Cuk:
隔离:
工作温度: -40°C ~ 125°C
封装/外壳: 28-SOIC(0.173",4.40mm 宽)裸露焊盘
包装: 带卷 (TR)
Configurable, Single-/Dual-Output, Synchronous
Buck Controller for High-Current Applications
ELECTRICAL CHARACTERISTICS (continued)
(V IN = V REG = V DD = V EN_ = +5V, T A = T J = T MIN to T MAX , unless otherwise noted, circuit of Figure 6. Typical values are at T A = +25°C.)
(Note 2)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
-3dB Bandwidth
f -3dB
4
MHz
CSP_ Input Bias Current
I CSA(IN)
V CSP_ = 5.5V, sinking
V CSP_ = 0V, sourcing
120
30
μA
CURRENT-ERROR AMPLIFIER (CEA_)
Transconductance
g m
550
μS
Open-Loop Gain
A VOL(CEA)
No load
50
dB
VOLTAGE-ERROR AMPLIFIER (EAOUT_)
Open-Loop Gain
Unity-Gain Bandwidth
A VOL(EA)
f UGEA
70
3
dB
MHz
EAN_ Input Bias Current
Error-Amplifier Output Clamping
High Voltage
Error-Amplifier Output Clamping
Low Voltage
I BIAS(EA)
V CLMP_HI (EA)
V CLMP_LO (EA )
V EAN_ = 2.0V
With respect to V CM
With respect to V CM
100
1
-0.234
nA
V
V
EN_ INPUTS
EN_ Input High Voltage
EN_ Hysteresis
V ENH
EN rising
1.2
1.222
0.05
1.245
V
EN_ Input Leakage Current
Startup Delay Time to OUT_
I EN
t START_DELAY
From EN_ rising to V OUT_ rising
-200
1
+200
nA
ms
MODE INPUT
MODE Logic-High Threshold
MODE Logic-Low Threshold
MODE Input Pulldown
V MODE_H
V MODE_L
I PULLDWN
2.4
5
0.8
V
V
μA
PREBIASED OUTPUT
Peak Sink Current-Limit
Threshold during Reference
V CSP_ - V CSN_
-2.1
mV
Soft-Start
Digital Ramp Period for
Stepping Peak Sink Current
Limit after Reference Soft-Start
THERMAL SHUTDOWN
448
Clock
cycles
Thermal Shutdown
Thermal Shutdown Hysteresis
T SHDN
T HYST
160
10
°C
Note 2: The device is 100% production tested at T A = T J = +125°C. Limits at T A = -40°C and T A = +25°C are guaranteed by design.
Note 3: The internal reference voltage accuracy is measured at the negative input of the error amplifiers (EAN_). Output voltage
accuracy must include external resistor-divider tolerances.
4
_______________________________________________________________________________________
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