参数资料
型号: MAX5073ETI+T
厂商: Maxim Integrated Products
文件页数: 3/25页
文件大小: 0K
描述: IC REG BUCK BST ADJ 1A/2A 28TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 2,500
类型: 降压(降压),升压(升压)
输出类型: 可调式
输出数: 2
输出电压: 0.8 V ~ 28 V
输入电压: 4.5 V ~ 23 V
PWM 型: 电压模式
频率 - 开关: 200kHz ~ 2.2MHz
电流 - 输出: 1A,2A
同步整流器:
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 28-WFQFN 裸露焊盘
包装: 带卷 (TR)
供应商设备封装: 28-TQFN-EP(5x5)
2.2MHz, Dual-Output Buck or Boost Converter
with Internal Power MOSFETs
ELECTRICAL CHARACTERISTICS (continued)
(V+ = VL = 5.2V or V+ = 5.5V to 23V, EN_ = VL, SYNC = GND, I VL = 0mA, PGND = SGND, C BYPASS = 0.22μF, C VL = 4.7μF (ceram-
ic), R OSC = 10k ? (circuit of Figure 1), T A = T J = T MIN to T MAX , unless otherwise noted.) (Note 1)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
VOLTAGE-ERROR AMPLIFIER
FB_ Input Bias Current
I B(EA)
250
nA
0°C ≤ T A ≤ +70°C
0.792
0.8
0.808
FB_ Input Voltage Set Point
-40°C ≤ T A ≤ +85°C
-40°C ≤ T J ≤ +125°C (MAX5073ATI only)
0°C to +85°C
0.788
0.788
1.25
0.8
0.8
2
0.812
0.812
2.70
V
FB_ to COMP_
Transconductance
g M
-40°C to +85°C
1.2
2
2.9
mS
-40°C to +125°C (MAX5073ATI only)
1.2
2
2.9
INTERNAL PMOSFETS
I SWITCH = 100mA,
V BST1 /V DD1 to V SOURCE1 = 5.2V
(MAX5073ETI)
I SWITCH = 100mA,
V BST1 /V DD1 to V SOURCE1 = 5.2V
195
195
290
330
On-Resistance Converter 1
R ON1
(MAX5073ATI)
I SWITCH = 100mA,
V BST1 /V DD1 to V SOURCE1 = 4.5V
200
315
m ?
(MAX5073ETI)
I SWITCH = 100mA,
V BST1 /V DD1 to V SOURCE1 = 4.5V
(MAX5073ATI)
200
350
On-Resistance Converter 2
R ON2
I SWITCH = 100mA,
V BST2 /V DD2 to V SOURCE2 = 5.2V
I SWITCH = 100mA,
V BST2 /V DD2 to V SOURCE2 = 4.5V
330
350
630
690
m ?
Minimum Converter 1 Output Current
Minimum Converter 2 Output Current
Converter 1 MOSFET Leakage
Current
Converter 2 MOSFET Leakage
Current
I OUT1
I OUT2
I LK1
I LK2
V OUT1 = 3.3V, V+ = 12V (Note 3)
V OUT2 = 2.5V, V+ = 12V (Note 3)
EN1 = 0V, V DS = 23V
EN2 = 0V, V DS = 23V
2
1
10
10
A
A
μA
μA
INTERNAL SWITCH CURRENT LIMIT
Current-Limit Converter 1
Current-Limit Converter 2
I CL1
I CL2
V+ = 12V (MAX5073ETI)
V+ = 12V (MAX5073ATI)
MAX5073ETI
MAX5073ATI
2.3
2.3
1.38
1.38
3
3
1.8
1.8
4.3
4.6
2.10
2.20
A
A
_______________________________________________________________________________________
3
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