参数资料
型号: ADP2126ACDZ-1.20R7
厂商: Analog Devices Inc
文件页数: 3/20页
文件大小: 0K
描述: IC REG BUCK SYNC 1.2V 0.5A DIE
产品变化通告: 8mm Carrier Tape Changes 28/Feb/2012
标准包装: 1
类型: 降压(降压)
输出类型: 固定
输出数: 1
输出电压: 1.2V
输入电压: 2.1 V ~ 5.5 V
PWM 型: 电压模式
频率 - 开关: 6MHz
电流 - 输出: 500mA
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: 模具
包装: 标准包装
供应商设备封装: 模具
其它名称: ADP2126ACDZ-1.20R7DKR

Data Sheet
ADP2126/ADP2127
SPECIFICATIONS
V IN = 3.6 V, T A = 25°C for typical specifications, and T A = T J = ?40°C to +85°C for minimum and maximum specifications, unless
otherwise noted. All specifications at temperature extremes are guaranteed via correlation using the standard statistical quality control
(SQC) methods. Typical specifications are not guaranteed.
Table 1.
Parameter
Symbol
Test Conditions/Comments
Min
Typ
Max
Unit
SUPPLY
Operating Input Voltage Range
PWM Mode Quiescent Current
V IN
No load, V MODE = V IN
2.1
12
5.5
V
mA
Auto Mode Quiescent Current
Shutdown Current 1
No load, V MODE = 0 V, V FB > V OUT , SW = open
V EXTCLK = 0 V, open loop
300
0.3
500
1.5
μA
μA
UNDERVOLTAGE LOCKOUT
Rising V IN Threshold
1.9
2.1
V
Falling V IN Threshold
1.5
1.8
V
OUTPUT
Continuous Output Current 2
I LOAD
V IN = 2.1 V to 5.5 V
500
mA
PWM Mode Output Accuracy 3
PFM Mode Output Accuracy 3, 4
FB Bias Current
FB Pull-Down Resistance
V OUT
R DSCHG
V IN = 2.1 V to 5.5 V, no load
V IN = 2.1 V to 5.5 V
V FB = V OUT
V EXTCLK = 0 V, I FB = 10 mA
V OUT ? 2%
V OUT ? 3%
4
110
V OUT + 2%
V OUT + 3%
9
180
V
V
μA
Ω
SWITCHING CHARACTERISTICS
PMOS On Resistance
I SW = 500 mA
180
340
NMOS On Resistance
SW Leakage Current
I SW = 500 mA
V SW = 0 V, V IN = 5.5 V
250
10
μA
PMOS Switch Current Limit
PFM Current Limit
Oscillator Frequency
f SW
Open loop
V MODE = 0 V, V IN = 3.6 V
770
170
4.8
1000
260
6
1291
305
6.8
mA
mA
MHz
SHORT-CIRCUIT PROTECTION
Rising V OUT Threshold
0.55
0.7
V
Falling V OUT Threshold
0.4
0.52
V
EXTCLK INPUT
High Threshold Voltage
Low Threshold Voltage
V EXTCLK(H)
V EXTCLK(L)
V IN = 2.1 V to 5.5 V
V IN = 2. 1 V to 5.5 V
1.3
0.4
V
V
Leakage Current
Duty Cycle Operating Range
Frequency Operating Range
D EXTCLK
f EXTCLK
V IN = 5.5 V, V EXTCLK = 2.1 V to 5.5 V
40
6
0.01
1
60
27
μA
%
MHz
MODE INPUT LOGIC
High Threshold Voltage
Low Threshold Voltage
V MODE(H)
V MODE(L)
V IN = 2.1 V to 5.5 V
V IN = 2.1 V to 5.5 V
1.3
0.4
V
V
Leakage Current
V EXTCLK = 0 V, V IN = V MODE = 5.5 V
0.005
1
μA
THERMAL SHUTDOWN 5
PWM mode only
Thermal Shutdown Threshold
Thermal Shutdown Hysteresis
Rev. B | Page 3 of 20
146
13
°C
°C
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