图 7. MSOP 引脚配置(顶视图)

图 7. MSOP 引脚配置(顶视图)

GONGMOSEMI(共模半导体)China

GM1402ARHZ-1-R7

Voltage Regulators - Linear, Low Drop Out (LDO) RegulatorsMSOP-8

是一款微功率、超低噪声、低压差负调压器。非常适合电池供电的便携式设备使用。室温时，最大关断功耗为−3µA，特别适合给高性能模拟和混合信号电路供电。可用于低噪声放大器、超低噪声仪表、电池供电系统、功放、ADC 和 DAC、通信和基础设施、医疗和保健。

GM1402ARHZ-1-R7 is a -45V, 200mA low-noise negative LDO regulator in MSOP-8 package with EPAD connected to GND, adjustable output 1.186V, operating temperature -40°C to +125°C.Checked against the datasheet

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Technical parameters

Key specs

Output voltage1.186 V
Output current200 mAMax
Input voltage-2.5 ~ -40 V
Dropout voltage-170 mVMax · IOUT=-200mA
Quiescent current-33 µATyp · IOUT=0μA

Datasheet-verified parameters

21 items
ParameterValue and test conditionsSource
Output Voltage可调输出 1.186V (GM1402ARHZ-1-R7)
Output Current200mA
Input Voltage Range-2.5V 至 -40V (Min -2.5V, Max -40V)
Dropout VoltageTyp -88mV, Max -170mV @ IOUT=-200mA
Quiescent CurrentTyp -33µA, Max -53µA @ IOUT=0µA
PackageMSOP-8 (RH-8-1)
Operating Temperature-40°C 至 +125°C
GradeA (Commercial)
RoHS符合 RoHS 标准
Shutdown CurrentTyp -3µA @ EN=GND
Output NoiseTyp 10µVrms @ 10Hz to 100kHz, VOUT=-1.5V/-3V/-5V
Line RegulationMin -0.01%/V, Max +0.01%/V
Load RegulationTyp 0.001%/mA, Max 0.006%/mA @ IOUT=-1mA to -200mA
Current Limit ThresholdTyp -240mA, Max -360mA
Thermal Shutdown ThresholdTyp 165°C
Start-up TimeTyp 250µs @ VOUT=-1.2V; Typ 800µs @ VOUT=-5V
Power Supply Rejection RatioTyp 57dB @ 100kHz, VIN=-6V, VOUT=-5V
Minimum Output CapacitanceMin 1.5µF, Typ 2.2µF @ TA=-55°C to +125°C
Absolute Maximum Rating (VIN to GND)+0.3V to -50V
Storage Temperature Range-65°C to +150°C
Protection Features限流和过温保护

Pinout and package

图 7. MSOP 引脚配置(顶视图)
图 7. MSOP 引脚配置(顶视图)
Package: MSOP-8 (RH-8-1)
PinNameFunctionSource
>1VOUT: Regulated output voltage. Bypass VOUT to GND with a capacitor of 2.2µF or larger.
>2FB: Adjustable input. External resistor divider sets the output voltage.
>3NC: No connect. Do not connect this pin.
>4GND: Ground.
>5EN: Enable pin. Drive EN to 2V or more above or below ground to enable the regulator; or drive EN low to disable the regulator. For automatic start-up, connect EN to VIN.
>6SS: Soft-start pin.
>7NC: No connect. Do not connect this pin.
>8VIN: Regulator input power. Bypass VIN to GND with a capacitor of 2.2µF or larger.
>9EPAD: Exposed pad. The exposed pad on the bottom of the package enhances heat dissipation and is electrically connected to GND inside the package. Connect the exposed pad to the GND layer on the PCB for proper operation.

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DatasheetDatasheet · 3.3 MB · 2026-10-29
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