參數(shù)資料
型號: MAX1870A
廠商: Maxim Integrated Products, Inc.
英文描述: Step-Up/Step-Down Li+ Battery Charger
中文描述: 升/降壓型Li+電池充電器
文件頁數(shù): 11/32頁
文件大小: 1091K
代理商: MAX1870A
M
Step-Up/Step-Down
Li+ Battery Charger
______________________________________________________________________________________
11
Typical Operating Characteristics (continued)
(Circuit of Figure 1, V
DCIN
= 16V, CELLS = REFIN, V
CLS =
V
REF
, V
ICTL
= V
REFIN
= 3.3V, T
A
= +25
°
C, unless otherwise noted.)
REF LOAD REGULATION
M
LOAD CURRENT (
μ
A)
V
R
2000
1000
500
1500
4.04
4.05
4.06
4.08
4.07
4.10
4.09
4.11
4.03
0
2500
REFERENCE ERROR vs. TEMPERATURE
M
TEMPERATURE (
°
C)
R
80
60
20
40
0
-20
0.05
0.10
0.15
0.20
0.25
0.30
0.35
0.40
0.45
0
-40
100
LDO LOAD REGULATION
M
LOAD (mA)
V
L
40
30
10
20
5.26
5.32
5.28
5.36
5.30
5.34
5.38
5.24
0
50
V
IN
=
28V
V
IN
=
16V
V
IN
=
9V
LDO vs. TEMPERATURE
M
TEMPERATURE (
°
C)
L
80
40
-20
0
60
20
-0.2
0.2
0.6
0
0.4
0.8
-0.4
-40
100
OUTPUT VOLTAGE RIPPLE
vs. BATTERY VOLTAGE
M
V
BATT
(V)
R
15
10
5
20
40
60
80
100
120
140
160
180
0
0
20
STEP-UP/STEP-DOWN
SWITCHING WAVEFORM
M
0V
D4
10V
D3 ANODE
0V
CATHODE
INDUCTOR CURRENT
2A
4A
V
(AC-COUPLED)
200mV/div
10V
20V
2.00
μ
s
V
IN
= 16V
V
BATT
= 16V
STEP-DOWN
SWITCHING WAVEFORM
M
0V
D4
10V
D3 ANODE
0V
CATHODE
INDUCTOR CURRENT
2A
4A
V
(AC-COUPLED)
10mV/div
10V
20V
2.00
μ
s
V
IN
= 16V
V
BATT
= 12V
相關(guān)PDF資料
PDF描述
MAX1870AETJ Step-Up/Step-Down Li+ Battery Charger
MAX1873 Simple Current-Limited Switch-Mode Li Charger Controller
MAX1873SEEE Simple Current-Limited Switch-Mode Li Charger Controller
MAX1873REEE Simple Current-Limited Switch-Mode Li Charger Controller
MAX1873TEEE Simple Current-Limited Switch-Mode Li Charger Controller
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MAX1870AETJ 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX1870AETJ+ 功能描述:電池管理 Li+ Step Up/Step Down Battery Charger RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX1870AETJ+T 功能描述:電池管理 Li+ Step Up/Step Down Battery Charger RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX1870AETJ-T 功能描述:電池管理 RoHS:否 制造商:Texas Instruments 電池類型:Li-Ion 輸出電壓:5 V 輸出電流:4.5 A 工作電源電壓:3.9 V to 17 V 最大工作溫度:+ 85 C 最小工作溫度:- 40 C 封裝 / 箱體:VQFN-24 封裝:Reel
MAX1870AEVKIT 功能描述:電源管理IC開發(fā)工具 Evaluation Kit for the MAX1870A RoHS:否 制造商:Maxim Integrated 產(chǎn)品:Evaluation Kits 類型:Battery Management 工具用于評估:MAX17710GB 輸入電壓: 輸出電壓:1.8 V